MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document exhibits multiple high-severity heuristics indicating malicious intent, including ML classification and ClamAV detection. It contains numerous links to external resources, many hosted on compromised CMS uploads or disposable domains, suggesting a link farm designed to redirect users. The presence of 'SE_PAYMENT_REDIRECT_LURE' and 'SE_INVOICE_LURE' heuristics strongly indicates a phishing attempt, likely to trick users into believing they need to update payment details or view an invoice, leading them to click on the embedded malicious URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 9
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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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Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LUREDocument describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
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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://philabc.ru/uplcv?utm_term=how+to+calculate+dividend+per+share+from+financial+statements
- https://pypconsultores.mx/userfiles/file/2039793562.pdf
- http://www.contectrade.hu/fckfiles/file/16556048601.pdf
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607dbfb1ce0ea---45570687912.pdf
- https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/bf0cd52897ced719a009baa99aaee4bb/watuxiluratodu.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fddcde1f02---xizobivedo.pdf
- http://studiomedicoveterinariobellucci.eu/userfiles/files/kowotezoni.pdf
- https://xn--arbeitskndigungsrecht-best-5zc.de/userfiles/file/telolizavodewarigu.pdf
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/bg9a5l7a7rqsb547q87uvpbj2d/xizujorufisufuki.pdf
- https://xetnghiemadndanang.com/upload/userfiles/files/30650299616.pdf
- http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070732281ea1---pirodaludogogozawebege.pdf
- https://www.varisistanbul.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b0377374b9---51695564706.pdf
- http://bbfederico2.net/userfiles/file/bogejuz.pdf
- http://stolizstekla.ru/userfiles/file/3296342329.pdf
- https://408of53crownstreet.com/assets/media/files/dizirifegevisureke.pdf
- http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096df4b0068f---sidusuwisozolululojizotaf.pdf
- https://hyundainhapkhau.vn/upload/files/83022632509.pdf
- http://vmkmsz.hu/userfiles/file/38486850000.pdf
- http://hilimall.ae/uploads/files/sitalididovebeju.pdf
- https://arzhosting.com/calisma2/files/uploads/rudiwigo.pdf
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/ik6v28dnq78b0h8jcihucrk76d/puzedorasileroxod.pdf
- http://yaqeen-eg.com/userfiles/file/73765066926.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e297.bin708cfdf26bb43d2ef498bceaee1d2d7fe4400a9107545864f9fa51edb5811943 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE297 | 17076 bytes |
font_01_sfnt_off00010f53.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F53 | 16792 bytes |
font_02_sfnt_off0001276a.binb1038617ff5840a00c03334264f1450b7053cca8ded4115b68a9701e5d6a4516 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1276A | 11128 bytes |
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