MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable domains, indicating a link farm designed to lure users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://archism.ru/uplcv?utm_term=8+pool+unlimited
- http://ssaisarang.com/ckfinder/userfiles/files/vizokux.pdf
- http://anhhieu.vn/hinhanh/file/tivonolaxevoxesoro.pdf
- http://khonggianmang.com/upload/files/zunenikuna.pdf
- http://flirdining.com/uploads/files/texazusapaselututoba.pdf
- https://0924055971.com/uploads/files/202109151533534865.pdf
- http://aryajob.com/user_upload/file/24641159867.pdf
- https://k-newsletter.com/ckupload/files/sobuzulabajokovono.pdf
- http://hkalc.com/userfiles/33724414873.pdf
- https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/208773c021e2652d546151ec53fb6cc7/donoloxe.pdf
- http://embeddedhr.com/ckfinder/userfiles/files/dupemebagapas.pdf
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16134711c254b7---66295445302.pdf
- http://levant-tekstil.com/other_files/File/jonulozenu.pdf
- http://roberthalasz.eu/uploads/file/89944433615.pdf
- http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/161307b2fc8709---39978066106.pdf
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/1613010dcd1955---38285294298.pdf
- http://mydreamtuscanwedding.com/editor_up/lipojogonalali.pdf
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/7aaa55a2e2796b0177fc2328e729520f/nonoj.pdf
- https://tranduongauto.com/app/webroot/files/images/pages/files/25167083816.pdf
- https://dynasty888.com/image/files/20210915_170156.pdf
- https://vargyasnekonyveles.hu/kepek/other/file/8016422719.pdf
- http://escuelasfutbol8.com/docs/files/86598954535.pdf
- https://vientangluc.com/upload/files/36633315228.pdf
- https://anukulagrotech.com/ci/userfiles/files/vuzomonit.pdf
- http://thanhnienxp.com/vietkiendo/upload/file/pirufebijos.pdf
- http://minerva-collection.net/files/files/79059535166.pdf
- 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_off0000c55f.binee939c0f1d66d5cdda48fec0ddd5e53efeb683b58daa8fe6a17af8c9f1e83a5f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC55F | 10332 bytes |
font_01_sfnt_off0000dc99.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC99 | 16792 bytes |
font_02_sfnt_off0000f4ab.bind6b5ea42746332c867e301067719f25bc60ad52d00359b086b136dc14c07cf63 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4AB | 17164 bytes |
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