MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many of which point to compromised WordPress sites utilizing the Formcraft plugin for file uploads. This structure is indicative of a link farm designed to host malicious content or redirect users to phishing sites. The ClamAV detection and ML classifier strongly support its malicious nature, likely serving as a lure for initial compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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 https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070ddaea6f8d---nozusakufujikudi.pdf
- http://automotiveenergy.cz/userfiles/file/tazoka.pdf
- https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609668d16db87---74818696845.pdf
- http://kompletucetnictvi.cz/files/file/58565242710.pdf
- https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/pgvvun7phrveivei2p8h0h8ckk/95648532236.pdf
- http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4ae6fb05dc---jagefezozijofomoseja.pdf
- http://954move.com/clients/4890/File/25358674398.pdf
- https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160714a3848e31---75974966763.pdf
- https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/3of1ocq2a6gh3g092hkgru9fra/5611362650.pdf
- https://bellevuecommunityfoodbank.org/wp-content/plugins/super-forms/uploads/php/files/ab7c8a6948d9e15a96e56a8a11006ac0/wufozikufawebu.pdf
- https://futuresbuilder.net/dayafter/uploadimages/newsimages/file/fosokobuwawopu.pdf
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2fabfa889f---10168159739.pdf
- http://coreaad.com/DreamDataUpload/file/faforomale.pdf
- http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/160875d15efe72---25345701251.pdf
- http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/7sn68v1i4msqkc34ka3nsrcui0/gezebamudugekoresuzalo.pdf
- https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609190ad45d76---ramivabuk.pdf
- http://frangarcia.eu/upload/file/67743322840.pdf
- https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4b3b836eb0---36960880550.pdf
- http://delawaretravelmedicine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608721b548097---78545068129.pdf
- https://sindonis.com/userfiles/file/50974577845.pdf
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608b9b94e2f10---pamimeralepomesirok.pdf
- https://bevelec.com/bevelec/dossierMois/file/43881276356.pdf
- https://augsburger-dartliga.de/uploads/file/gotumumevowitakunodix.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=legal+age+to+date+in+new+york
- 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_off0000f306.binf78c80d328487bcd03a5b039a0927864cc82cb7b49595c452669db1d286e7c5a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF306 | 17952 bytes |
font_01_sfnt_off00012227.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12227 | 16792 bytes |
font_02_sfnt_off00013a3e.bin037705323baa7fb1c4b93830289f449a7858c0a23c5c3db7991ced5496de8e86 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A3E | 10504 bytes |
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