MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which are hosted on compromised CMS upload directories or disposable hosting, suggesting a link farm or phishing lure. The presence of embedded URLs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic strongly suggest the document's purpose is to redirect users to potentially malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://daquin-ferriere.fr/userfiles/file/78539175671.pdf
- https://atamergranit.com/userfiles/file/zesefenewawudurew.pdf
- http://arnold-sitter.com/CKEdit/upload/files/dowivaxi.pdf
- http://faurerom.com/userfiles/file/9454440961.pdf
- https://fullgame.hu/uploads/files/15738202191.pdf
- http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607c3cf5cb794---gokegow.pdf
- http://nessium.net/userfiles/file/refeg.pdf
- http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/ok29etehnqeupc0cekkqu6cq56/83489458852.pdf
- http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/160820a229d0cd---65837811876.pdf
- http://fairway.cc/images/blog//file/95123195150.pdf
- http://tincorner.vn/uploads/files/95170860801.pdf
- http://travelport.pl/userfiles//file/74313548848.pdf
- http://dmkaudit.sk/101/upload/file/lezibezupuvekaso.pdf
- https://keluargamimpi2.com/contents//files/fevon.pdf
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160f37775bdd6c---sifomatamuvununuzevovop.pdf
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160febe58e9ed6---femegowapuwunuxasajigole.pdf
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a7b3cd6ef34---finiminuravi.pdf
- http://the100voicesofgospel.de/fichiers/newsletter/file/rolilubitab.pdf
- https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/d03a54a560c03b19674218509b25e633/tepazon.pdf
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160f7566557ffb---61099476683.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=super+mario+world+2+yoshi%27s+island+emulator+online
- 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_off0000fca6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCA6 | 16792 bytes |
font_01_sfnt_off000114bd.bincc76c263625e86c0ffea5698362784052a9130002efd95ccaf4f74f4e540ca98 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114BD | 11184 bytes |
font_02_sfnt_off00012eda.bin726874ecd9fecb8b5d876a88c69832103f48da10011e256fb444621a645d15f0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EDA | 17568 bytes |
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