MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous links to compromised WordPress upload storage and other disposable hosting, indicating a link farm designed to redirect users. The PDF's structure and the presence of multiple external URIs suggest it's part of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://atlonnuri.org/UpLoadImage/editer/files/51939248107.pdf
- https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/iq4fp72t0buanbgni28jo365li/96498922501.pdf
- http://testplanet.nl/uploads/files/simaf.pdf
- http://kazuma.ru/ckfinder/userfiles/files/riwifokafojalufaj.pdf
- https://tsafar.ir/basefile/tsafarir/files/14939432370.pdf
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078519341d7b---purovatunemezanosalosopa.pdf
- https://marupyara.com/fotos/userfiles/file/nuwikav.pdf
- http://anhuicrew.com/upload_fck/file/2021-5-6/20210506170904964186.pdf
- http://inannamsao.com/uploads/files/70249162639.pdf
- https://implant-drill.com/userfiles/file/54612704570.pdf
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/8f15435456119728d6e4db1ea2fcdb17/20194143155.pdf
- http://yonseri.org/userfiles/files/ruwakafezazisoxunisex.pdf
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/9coqfuv92nd8423stps8f7cbt8/vebatof.pdf
- https://ludifrance.fr/userfiles/file/soganavud.pdf
- http://bociany.sk/media/file/nelurulaxoxik.pdf
- http://mgocsm.in/userfiles/file/49564105526.pdf
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/1f0c35544e300f6397a915e795c31192/77047327912.pdf
- http://siamsnail.com/media/userfiles/files/fufofogadosodawafesape.pdf
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/jb4qi863p7marfr97oopjtrvs2/7591511262.pdf
- https://paeonia.ch/userfiles/files/xuvoxutifo.pdf
- https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/c84ac6ddabd8585c15a3e9b75bbf0676/fovapufumi.pdf
- http://15881588.com/ckupload/files/95489762847.pdf
- https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/b7f8e95294815e7f941e944c6f290f88/takibuledebul.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=bacterial+infection+foreskin
- 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_off0000f25a.binf207668cb86504d6f7e870c433b213d3e43ef9e77dfa67405d5e8dcf2ef5ab44 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF25A | 17600 bytes |
font_01_sfnt_off00011fec.bina2b0a29465bd2a68c4285ba3b54f6ff5defef8eb4fba81017e224f3b34135b94 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FEC | 10472 bytes |
font_02_sfnt_off000137dd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137DD | 16792 bytes |
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