MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised CMS uploads or disposable hosting, suggesting a phishing or malware distribution lure. The document body was unreadable, but the presence of numerous external links strongly supports the link farm attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9919
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://martom24.pl/martom/userfiles/file/99692995520.pdf In PDF document text
- http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/16081af2c4e0ba---11318860103.pdfIn PDF document text
- https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/9n2erofpv573kg0gf0mtsbmf2c/52888088164.pdfIn PDF document text
- https://dm288.rs/slicice/file/75648969423.pdfIn PDF document text
- https://davebakeragency.com/wp-content/plugins/super-forms/uploads/php/files/5a44337d6c3e7026a36f0c4e5f541d16/rigakozexase.pdfIn PDF document text
- https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/jicfmksukevrdd4eodi9baisj2/lugaragenu.pdfIn PDF document text
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608f95df7f3d0---64170583319.pdfIn PDF document text
- https://seataclightingalaska.com/wp-content/plugins/super-forms/uploads/php/files/2c8e26a954f9e8703bc71a10fc223a04/tofuze.pdfIn PDF document text
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f484909bfc1---modebogipezurudonad.pdfIn PDF document text
- https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/3cbecofidgaqr37ntdouq9tmd3/texusik.pdfIn PDF document text
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/160baaf231462c---belugibidilaxowebegovifir.pdfIn PDF document text
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1607c746c1bb63---76729356831.pdfIn PDF document text
- http://fixafilm.se/userfiles/file/50393150571.pdfIn PDF document text
- http://savoie-outils-coupants.com/ckfinder/userfiles/files/lutob.pdfIn PDF document text
- http://msinziniering.com/userfiles/file/31494892173.pdfIn PDF document text
- http://doktor-okonski.pl/uploadimg/file/vivobapolenezuxefep.pdfIn PDF document text
- http://anoh.net/pds/userfiles/files/96044482015.pdfIn PDF document text
- https://estudiowebcolombia.com/ckfinder/userfiles/files/zumisotizozavezevesafujiz.pdfIn PDF document text
- http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/160881ff22857f---gigelewitosasigosixupipok.pdfIn PDF document text
- https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ce53f74d7da089ee0acbee5d29ae19de/35436878998.pdfIn PDF document text
- https://rdsdealers.com/ckfinder/userfiles/files/nodavujoxazobon.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/bvdjfiq4sf1ktfinfp9qv305m3/vapuromufabebokuwadil.pdfIn PDF document text
- http://abwrva.com/uploads/files/17650986693.pdfIn PDF document text
- http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/1610face0b362b---22987801127.pdfIn PDF document text
- http://glotecgh.com/upload/editor/file/lokapadopevezegozena.pdfIn PDF document text
- http://krzysztofmalec.pl/gfx/fck/file/2650634117.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=gta+5+mobile+apk+obb+no+verificationPDF 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_off0000f4ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4EC | 17216 bytes |
SHA-256: 234caca846b63819b4e407f46664da9f0e59ea6646403cab536134261abee83f |
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font_01_sfnt_off000121d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121D5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000139ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x139EC | 10944 bytes |
SHA-256: d4a24e2650c41f1050bbf88eca4fcd059f7ca77451378fd7b6a689b4e3acaaec |
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