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 URLs, many of which are hosted on compromised WordPress sites. This structure is indicative of a phishing or malware distribution campaign, aiming to lure users to malicious content. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 https://tedvandergulik.nl/userimages/file/32142849849.pdf In PDF document text
- https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/4196d49cfcc06768ec8b96ae7ee394af/44021415885.pdfIn PDF document text
- http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090718a3bb24---89989574982.pdfIn PDF document text
- https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/23516b245d6b99e50265127e9710f2c9/44717395585.pdfIn PDF document text
- http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/pjlr97tbk9hdri76iltpv2nfa4/53446609936.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608061608996d---salokasetudex.pdfIn PDF document text
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072cd2a25b46---ribozazu.pdfIn PDF document text
- https://oversaslogistica.it/file/67929468522.pdfIn PDF document text
- https://abicecream.ru/ckfinder/userfiles/files/tolevutemunob.pdfIn PDF document text
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160793c16933c2---vaxinozigudetuzemukut.pdfIn PDF document text
- http://heritagecarletonplace.com/clients/c/c2/c23aa4fb54f25340752d20cfcff880b2/File/wilitawezozonobuvelox.pdfIn PDF document text
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/e935cf5490f41565d7cbe9200dae35d5/16749316516.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/1r8jtco6836s26h5u0p7sa29q1/81593308529.pdfIn PDF document text
- https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/9cdcfe6317ca91bd14b47ad8dfc73434/nuramuw.pdfIn PDF document text
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16083cc8a23ee7---91624168968.pdfIn PDF document text
- http://baigeleather.com/userfiles/file/nufurasegebi.pdfIn PDF document text
- http://bright-mineral.com/uploadfile/file/2021061914512048.pdfIn PDF document text
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c6ebe8a113---funujesinupedaduvin.pdfIn PDF document text
- http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/dmurgk43nl9rjbu4sbrcsnpje7/wirabazavikelufubivepov.pdfIn PDF document text
- https://binhruamuinanobac.com/wp-content/plugins/super-forms/uploads/php/files/8mmuqqpl57odb5mfq0v17mnnjh/81986384859.pdfIn PDF document text
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160adb8e54a388---69064982982.pdfIn PDF document text
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/1a39fa2b40224d3d0a0f3f7c8ba2801e/zogeboxap.pdfIn PDF document text
- http://dalnoboy.org/data/filestorage/upload/files/61811426608.pdfIn PDF document text
- https://mangonebike.com/uploads/file/vususizonutinux.pdfIn PDF document text
- http://mamsongdamchoi.com/images/chua-phan-loai/files/98526222669.pdfIn PDF document text
- https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/e5712579c41c2ea7ddc411430efc519d/rifoxukudazasebikabumekur.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=cakes+and+ale+shakespearePDF 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_off0000f5a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5A0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010db2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DB2 | 17432 bytes |
SHA-256: c9637265fcd92fd23195201d669be35781c1ccc61a691628cf61c0af70af96aa |
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font_02_sfnt_off00013b0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B0F | 10300 bytes |
SHA-256: 4977c5c3cc7bfb74553d251908d457e4ce0443eb9918e5dc1f38e6f3bbed7ceb |
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