MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, indicating it likely contains malicious content. Heuristics identified it as a link farm, with many URLs pointing to disposable hosting or compromised CMS uploads, suggesting an attempt to redirect users to malicious sites. The document body is heavily obfuscated, preventing a clear understanding of its specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://zonweringbelgie.eu/ckfinder/userfiles/files/27342061099.pdf In PDF document text
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/161349348748ef---78458915853.pdfIn PDF document text
- https://tjp2-hotlink-j3t.com/contents/files/75027731171.pdfIn PDF document text
- http://tbvshungviet.com/upload/files/50364786849.pdfIn PDF document text
- http://ricettebiagi.it/uploads/assets/file/62258175539.pdfIn PDF document text
- http://cdkkck.com/uploadfile/file/20210911051034.pdfIn PDF document text
- http://imhkayseri.com/resimler/files/3428373937.pdfIn PDF document text
- http://zkojicin.cz/userfiles/file/30934614510.pdfIn PDF document text
- http://max-metal.pl/gfx/file/xuwazomomikewab.pdfIn PDF document text
- http://liveisagenix.com/ckfinder/userfiles/files/70509442665.pdfIn PDF document text
- http://schoonhovensvrouwenkoor.nl/ckfinder/userfiles/files/fupatob.pdfIn PDF document text
- https://tinnituskozpont.hu/files/82570042265.pdfIn PDF document text
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/f4mkqa77f800shh6v0c7npfnnh/38604273853.pdfIn PDF document text
- http://cesarrodarte.com/userfiles/file/jukivuwepofaturodeximuza.pdfIn PDF document text
- http://vakaruinzinerija.lt/userfiles/file/53820916059.pdfIn PDF document text
- http://gestaocipa.com/public_html/Imagens/file/86697447777.pdfIn PDF document text
- http://gysanya.com/upload/file/210911231246861662j8upur1kylxf.pdfIn PDF document text
- http://enovosti.info/ckfinder/userfiles/files/sutazofizejefevu.pdfIn PDF document text
- http://aptwash.com/userData/ebizro_board/file/zikabavejaboxonasedogowad.pdfIn PDF document text
- https://autonoleggioassereto.com/file/14569174929.pdfIn PDF document text
- https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/13de867251806166576e45316684d5aa/kuwozurir.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=flashlight+in+android+studioPDF 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_off0000d6d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6D0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eee7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEE7 | 10472 bytes |
SHA-256: ef9fdb02bb6667dc4043f94d81f52989c18919040a22ba0b0791323e395a9f1b |
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font_02_sfnt_off00010655.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10655 | 18260 bytes |
SHA-256: 6b69f3715ad3bcd8bc5af2c4b7a751dd846f5faa0cb996d640f86f0185a4d444 |
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