MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on compromised WordPress installations or disposable domains, suggesting a link farm designed to distribute malicious content. The 'SE_INVOICE_LURE' heuristic indicates the document's content is intended to trick users into downloading a malicious file, likely a second-stage payload. No scripts were extracted, but the presence of external links and the invoice lure strongly suggest a phishing attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
Heuristics 8
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ascinfratech.com/clientprojects/trading/file/75928739489.pdf In PDF document text
- http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ec82bb50c0---12900005692.pdfIn PDF document text
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4c4ef5cd87---5955522437.pdfIn PDF document text
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160c1a68b193fa---rowebukutanaxukejonovelon.pdfIn PDF document text
- http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/hemoh0k3000n6ibg57amfinlsd/welarefeduvukimulifa.pdfIn PDF document text
- http://palenice.net/obrazky_clanky/file/57281936070.pdfIn PDF document text
- http://cnkls.com/userfiles/file/1625684393.pdfIn PDF document text
- https://www.profiemg.cz/upload/ck/files/niwogavojig.pdfIn PDF document text
- https://www.alarisusallc.com/wp-content/plugins/super-forms/uploads/php/files/861bc82e4005500b0eb1142a742f7f32/69301049674.pdfIn PDF document text
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087973ae0349---23513144587.pdfIn PDF document text
- http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a628f21f28d---xugubikanapapudebato.pdfIn PDF document text
- https://jnfarley.com/wp-content/plugins/super-forms/uploads/php/files/0ag8clqverqo5dn9m0k8mqna53/40455004507.pdfIn PDF document text
- https://gilbertems.com/videos/file/5894100897.pdfIn PDF document text
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/ccj22qi7u1tqhg3cdlans0lpc7/pamulilotexapitude.pdfIn PDF document text
- http://sushibelovo.ru/files/59077374048.pdfIn PDF document text
- http://ottotech.center/userfiles/file/66060006483.pdfIn PDF document text
- http://www.klpreschool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e9610be80b---49049442919.pdfIn PDF document text
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d2b6e5c6a27---xosika.pdfIn PDF document text
- https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/se0thkuks41j1pce4v8072hphv/zelidimex.pdfIn PDF document text
- http://cn-polylysine.com/d/files/wozog.pdfIn PDF document text
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/3f7ac86ba5d7ac980eb3f281c91755e8/wulegovasepunefot.pdfIn PDF document text
- https://wfbulgaria.com/uploads/wysiwyg/files/boxefitununepirafipulida.pdfIn PDF document text
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/5a53f975ef5b70e0ebd5b396fcd7ab60/tiledigigofokafelifebab.pdfIn PDF document text
- https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/160ddbb530ba7d---saxizejoketejivipuka.pdfIn PDF document text
- https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/05baecb013fee2ec67641830170338d9/gigunaf.pdfIn PDF document text
- http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/4afa349f6bb48107bbefd955cb104786/bovawegibadezeredupodowez.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=mendelson+law+firm+payment+onlinePDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001036f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1036F | 17064 bytes |
SHA-256: 770603fd236884ec9be7a1dc778bf1a8df294a1838ab9f4a62480dc6bf91b98f |
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font_01_sfnt_off00012ff5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FF5 | 10852 bytes |
SHA-256: 106c34e7e98c8a9c941e441e667ec87f7c160654add7712171af924d136f9291 |
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font_02_sfnt_off00014915.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14915 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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