MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to compromised WordPress sites and other disposable hosting, indicating it functions as a link farm. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or distributing further malware. The presence of external URIs and link farms points towards a tactic of redirecting users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9897
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://wastran.ru/uplcv?utm_term=why+are+my+skullcandy+indy+evo+not+pairing PDF link annotation
- http://agiusfuneraldirectors.com/files/file/mezigitaxe.pdfIn PDF document text
- https://awlights.com/wp-content/plugins/super-forms/uploads/php/files/94712afbadb1ab839b27fb2918a2d2fc/fawarunu.pdfIn PDF document text
- http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/34315303bc5bf24e3a515cdb12faa6c7/37453980211.pdfIn PDF document text
- http://aaykpn.com/uploads/editor/files/wakepedirere.pdfIn PDF document text
- http://amandamaitland.com/images/file/gebewememofewipubipeniwu.pdfIn PDF document text
- http://nedirajtebosnu.net/userfiles/file/5627083847.pdfIn PDF document text
- https://dorfadvertising.com/ckfinder/userfiles/files/89760753288.pdfIn PDF document text
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607010eef3cd4---xilifekilezej.pdfIn PDF document text
- http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb9a872a0c2---42644793187.pdfIn PDF document text
- https://kientrucqhouse.com/uploads/image/files/pozad.pdfIn PDF document text
- https://imagebeaute.fr/userfiles/file/miwozugometarefe.pdfIn PDF document text
- http://mnogonomerov.ru/uploads/file/39739298293.pdfIn PDF document text
- https://ijtm.in/userfiles/file/71098697423.pdfIn PDF document text
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/ln6uffgetnmgij0klr75o941ft/buxezotizelixow.pdfIn PDF document text
- https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/os4mc6dfglte78te3dqhegh3p3/47542251276.pdfIn PDF document text
- http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ccc8712cb5---bisimiguxoxudasixejo.pdfIn PDF document text
- http://www.rannatennis.ee/data/upfiles/files/sewilaxalanipabarovu.pdfIn PDF document text
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/160983b7a1b4d6---zusetawi.pdfIn PDF document text
- https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079052e2e967---fikajugazojivunari.pdfIn PDF document text
- https://schilderlesvakantie.nl/ckfinder/userfiles/files/41840086056.pdfIn PDF document text
- https://tanasiri.com/piceditor/file/63245900658.pdfIn PDF document text
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607ffa7e5e37d---61051668844.pdfIn PDF document text
- https://xn----8sbcehyodmtf1czh.xn--p1ai/userfiles/file/21916432341.pdfIn PDF document text
- http://andlupa.com/userfiles/file/fekexa.pdfIn PDF document text
- http://railwaysrailroads.com/upload_files/files/ferewudazavejobig.pdfIn PDF document text
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c2e7014025f---navowi.pdfIn PDF document text
- https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/stuucrvm9hgh9aagtf33fi8cg5/xukagexunenuvod.pdfIn PDF document text
- 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_off000104ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104CE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011ce5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CE5 | 11328 bytes |
SHA-256: fa8785199c8f132b358ecc327abfeffbaa0c732b29b4cfb5d55ebe26292c87ee |
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font_02_sfnt_off0001372f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1372F | 18536 bytes |
SHA-256: 8761bb74b6b0d70182257630602a0b18d17b96931b832cc746d14da2c67677ec |
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