MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to numerous compromised WordPress sites, a common tactic for phishing or distributing further malware. ClamAV and ML classifiers strongly indicate maliciousness, consistent with a phishing or trojan delivery mechanism. No scripts were extracted, but the structure and URL targets suggest exploitation for client execution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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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 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 http://collegium-connect.nl/ckupload/files/funuxojerekimowolixi.pdf In PDF document text
- https://lightingsystemscol.com/wp-content/plugins/super-forms/uploads/php/files/05ac965b5ab9789cf0b48457242f366b/77392584806.pdfIn PDF document text
- https://castel.ro/userfiles/file/71402772981.pdfIn PDF document text
- http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2e505d5339---nudafut.pdfIn PDF document text
- https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/ae84da947268c4ad35079c8a9cdc03a5/jujititasor.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/uq82lg8hque9alu87l2sd8lru3/lodixesobaxoki.pdfIn PDF document text
- http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7af2a94719---7297010271.pdfIn PDF document text
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/16085f86ade9c3---11739403917.pdfIn PDF document text
- http://suamayin.biz/userfiles/file/22234161943.pdfIn PDF document text
- http://plncse.hu/php_data/file/piwefewogugudovejunir.pdfIn PDF document text
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/4cc147bfb120cbfb2547922f18a764e5/57270046042.pdfIn PDF document text
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609bebfeaf85d---vasim.pdfIn PDF document text
- http://legalinet.eu/userfiles/files/41546897718.pdfIn PDF document text
- https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/bm3ftjcl19fvgupag58o7ono7h/lotuxifefasewugedeloxim.pdfIn PDF document text
- https://www.ideaklinikizmir.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082fc2e4bb20---tinofijigik.pdfIn PDF document text
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/b8ef24b46b8da65b44f9020071ed3441/segokaluxisakikemexibaji.pdfIn PDF document text
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090c1bbf35e7---26311977808.pdfIn PDF document text
- https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/c2g6hmi2hgevelibn2gssr8at1/49491812169.pdfIn PDF document text
- http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/f6c6a898c9622d04732ebcf67ddbcc53/47250452054.pdfIn PDF document text
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/1607eff20077ff---36838474937.pdfIn PDF document text
- http://doyen.cc/images/upload/File/mobumuranopamovejad.pdfIn PDF document text
- https://childconcern.in/trila/userfiles/file/57078182541.pdfIn PDF document text
- http://domplus.su/userfiles/files/sazanok.pdfIn PDF document text
- https://www.hausbootgeiseltalsee.de/wp-content/plugins/super-forms/uploads/php/files/mdvsepaiv7g1l3r12ef02l4sns/52202691425.pdfIn PDF document text
- https://roweryelectra.eu/app/webroot/uploads/file/16204359390678.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=opm+hits+of+all+timePDF 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_off0000e769.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE769 | 10444 bytes |
SHA-256: 6c24d757cac8d030d662dcb7f0b79129a22deb899f81fcd3071fa03fc8ba19a4 |
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font_01_sfnt_off0000ff2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF2A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001173c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1173C | 17284 bytes |
SHA-256: 99d41fcf31a41c96567714902c60a4d945d2d57a94b05b1c8ee286a72393d452 |
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