MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and a machine learning classifier. It contains numerous links to external URLs, many of which point to compromised WordPress sites hosting further PDF files. The presence of PDF_RANDOM_URL_LINK and PDF_SEO_DISPOSABLE_LINK_FARM heuristics indicates a pattern of distributing malicious content through link farms and potentially compromised infrastructure. The primary attack pattern involves luring users to download additional malicious files.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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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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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://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/c64f0e919bb3fa14908257fe15a95783/lodameratafuwifexuwomosez.pdf In PDF document text
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081c6629c6a7---mijilemubiwezuxenat.pdfIn PDF document text
- https://www.helpforbusymums.com/wp-content/plugins/super-forms/uploads/php/files/91bade1c96983b371c0def595c8c76a1/61485292012.pdfIn PDF document text
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/160746ebc2fa75---11848946364.pdfIn PDF document text
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e7146bc7e4---fedopuzu.pdfIn PDF document text
- http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/419be89ac4d26e85aa269b0e9fa12fc6/fogudadoretuto.pdfIn PDF document text
- https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b64870a4b3c---61113629303.pdfIn PDF document text
- http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c45423497eb---kipabifodonazekat.pdfIn PDF document text
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/160c25d7b20a89---wutopowugipekemoziwa.pdfIn PDF document text
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a85483ef65d---dopeziwinulan.pdfIn PDF document text
- http://timnhanhonline.com/upload/files/xedetexipudezatatona.pdfIn PDF document text
- https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/d1ff89bce783b3c9691f7990b304f525/linibedefizidoxanuwasab.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/93f603ed3a27bc53805b5eae5876fef0/dalelizivoguxesupu.pdfIn PDF document text
- http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/b70ef82075d21d44079c4212747d5692/77730828383.pdfIn PDF document text
- https://protechlighting.com/wp-content/plugins/super-forms/uploads/php/files/103051412831c5db657b52869dec76fa/14439370337.pdfIn PDF document text
- https://ambulatorioveterinariosismondi.eu/file/24635049506.pdfIn PDF document text
- http://oikoscoccatoarchitettura.com/userfiles/files/tudugomo.pdfIn PDF document text
- https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16080efc65a649---liwebepegugazonuz.pdfIn PDF document text
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f2036aba7f---75964248552.pdfIn PDF document text
- http://lalinpress.com/ckfinder/userfiles/files/kolopa.pdfIn PDF document text
- https://luminex.pl/upload/file/80497792097.pdfIn PDF document text
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/6vcim9nd67q2g4ggkh85imdgu7/83179419496.pdfIn PDF document text
- https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/dac6e918fb50b164d87284ed181d9e2a/kudekakevutefadutex.pdfIn PDF document text
- http://narnivet.com/userfiles/files/fazumadugibiz.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=how+much+alcohol+in+a+shot+glassPDF 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_off0000ebc8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBC8 | 16500 bytes |
SHA-256: 52f484d0e9e8730a585fff7dd3edf72af95ef0b656fee302f4876a1358416583 |
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font_01_sfnt_off000116a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116A5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012ebc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EBC | 10624 bytes |
SHA-256: 0cfbdfaf45eb497da632b53174acd5cdc8521052aaec761947cc4a4423112114 |
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