MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is identified as malicious by ClamAV and an ML classifier, with heuristics indicating it functions as a link farm. Several URLs point to compromised CMS uploads or disposable hosting, suggesting an attempt to redirect users to malicious content. The document body is heavily obfuscated, preventing a clear understanding of its specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://machnik.net/ckfinder/userfiles/files/41923547440.pdf
- https://marcvandewiele.com/userfiles/file/66561150370.pdf
- http://agavietnam.com/img/files/zitelelum.pdf
- http://hexindechem.com/upload/files/zomure.pdf
- https://tinhhoaxanh.vn/userfiles/file/kegoxos.pdf
- http://turningpointdigital.com/cote_dor_import/admin/ckfinder/userfiles/files/pixisari.pdf
- https://wupaojichangjia.com/d/files/kugozogesajibodora.pdf
- http://budgettranslation.hu/sites/default/files/file/59425595584.pdf
- https://nls.vn/upload/files/29827057742.pdf
- http://zapatosperezcabrera.com/ckfinder/userfiles/files/xavajevufamizubanoxodig.pdf
- http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16135c8d9a3f4c---60502833102.pdf
- https://akapacha.com/userfiles/file/40487996799.pdf
- http://studiolorenzoni.eu/userfiles/files/togewe.pdf
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/fvta1o4rbrh76llthud43b7dpv/82866147714.pdf
- https://cet.sk/res/file/43162336112.pdf
- http://www.web-globus.de/ckfinder/userfiles/files/75196790039.pdf
- http://ketoanaca.com/uploads/image/files/66694161982.pdf
- https://actor-conseil.com/files/file/jevelokolisezepujoxif.pdf
- https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/ac76f661c911cba0e82fdb10187e30a8/kapemenizilufuwedaxosif.pdf
- http://alwaditrading.com/userfiles/files/10346858713.pdf
- http://geoscan.it/userfiles/files/xinaxunagenufuloba.pdf
- http://grappin-annat-como.com/userfiles/grappin-annat-como.com/file/finobodupiwakemuxugur.pdf
- http://commandhousecreations.com/uploads/files/95538606018.pdf
- http://essiac.cz/UserFiles/file/dusagiridinox.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=crucial+conversations+model+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_off0000ccfe.bin2eb300a9d182a8e5f336f74f7389f593ff8b5ae983fce2e404288736e738faf2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCFE | 19792 bytes |
font_01_sfnt_off0000ff79.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF79 | 16792 bytes |
font_02_sfnt_off00011790.bin804279a508a8f1caf33dbe77f16cc3fa24a7151ae1aad7eb5e18a9c715ea175d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11790 | 10976 bytes |
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