MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Numerous embedded URLs point to compromised WordPress sites and disposable domains, suggesting a link farm designed to redirect users to malicious content. The document body is largely unreadable binary data, typical of obfuscated PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://vesimport.ru/userfiles/file/bebolobupiluwojez.pdf In PDF document text
- http://th-hl.com///upload/files/nosasoralamitavivin.pdfIn PDF document text
- http://nitexprofi.cz/userfiles/file/82297509732.pdfIn PDF document text
- http://sovaimm.it/userfiles/files/60363569757.pdfIn PDF document text
- http://metamorfozyayincilik.com/userfiles/file/merajiregobibuzumapir.pdfIn PDF document text
- http://jeanthompson.nl/ckfinder/userfiles/files/fotuwukovev.pdfIn PDF document text
- http://nature-revive.org/files/file/84734866869.pdfIn PDF document text
- https://rh-h1tapi-turbo.com/contents/files/puduka.pdfIn PDF document text
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141716455638---42686530123.pdfIn PDF document text
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a18fb029a7---2413346089.pdfIn PDF document text
- https://audreyheselmans.com/_files/file/73994616753.pdfIn PDF document text
- http://mineraux-et-lithotherapie.fr/ckeditor/upload/files/mozokebedusoli.pdfIn PDF document text
- http://hardiebase.com/uploads/assets/filefile/womoxofuzekumuzukifeva.pdfIn PDF document text
- http://conflictfreeelectronics.com/ourprojects/chowki/UserFiles/renuka/file/nakixafisufop.pdfIn PDF document text
- https://hotel-la-licorne.fr/userfiles/file/wisarakamoloduxipozed.pdfIn PDF document text
- http://aa-nusd.jp/farolajuligizukamezifatiw.pdfIn PDF document text
- http://cn-junsheng.com/upload/file///2021912165285259.pdfIn PDF document text
- http://www.la-rocca.pl/app/webroot/files/files/wizizovane.pdfIn PDF document text
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/205c26f7d2687c8ba9866095a3d2a88a/54908631605.pdfIn PDF document text
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131f1a0b4f4d---999052329.pdfIn PDF document text
- http://komputerzagrosze.pl/userfiles/file/dopefo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=dpi+settings+for+free+fire+apkPDF 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_off0000b8da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8DA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d0f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0F1 | 10580 bytes |
SHA-256: cfac40fcc9edc643df97ff5cf2afddc6e8ae6173a87aa0b53168ca25d239aeae |
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font_02_sfnt_off0000e944.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE944 | 18500 bytes |
SHA-256: b484475274aec11dece1e85edb13e74d799ac8096b39f1ea91acbcb3e8763b8c |
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