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, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many URLs pointing to compromised WordPress upload directories. These links likely serve as a lure to download further malicious content or redirect users to phishing sites.
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://dirabrealtors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a15f1437ca2---polujigifanenuxav.pdf
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b9f1377e97---nudijofepotinividavetar.pdf
- http://sibservis.com/ckfinder/userfiles/files/90289544498.pdf
- http://www.verneteco.com/ckfinder/userfiles/files/gavininive.pdf
- https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/a2e6ee12d50082cfed0b25908822fd4a/59452248589.pdf
- https://clubslotalmatriche.com/calcas/file/89875075882.pdf
- https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160a748de9f938---48045752072.pdf
- http://digivideos.net/ckfinder/userfiles/files/62038809370.pdf
- https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/8a91f8aa249f32d674e84eda23404fb0/xejunigozovidodowafutinup.pdf
- https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/4e2e389a7f9022b4c7c2a91c718a52d1/jadulupofi.pdf
- https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/3963f2d54b6de497f997d583bba8fcb2/36052903088.pdf
- http://flygarfield.net/userfiles/file/13696054704.pdf
- https://aftaplan.com/works/peepsparty/html/upload_files/file/fusipiredodikul.pdf
- http://silesiacapital.eu/data/file/98784608912.pdf
- http://lagostena.it/userfiles/files/96971027790.pdf
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/2j7nlkl287orccc8t7iqr9039q/jiginunexejo.pdf
- https://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160705498f28c3---956044138.pdf
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160737905b7e8c---bepowepare.pdf
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608062ac8d692---wewufikamelu.pdf
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/4dqi67m1l7btr2l0tvh68e0p16/goxategiwuwawid.pdf
- http://apluskleaning.com/admin/images/file/3860347095.pdf
- http://xn----7sbabaajmdfbk3ddf3azka3b6a2r.xn--p1ai/ckfinder/userfiles/files/valutov.pdf
- https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/ee11da10369a0507d6a3d4c0697da968/99017071399.pdf
- http://palyavalaszto.hu/teszt/upload/file/99623970538.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=carta+a+mi+esposo+en+su+cumplea%C3%B1os
- 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_off000103a4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103A4 | 16792 bytes |
font_01_sfnt_off00011bb6.binaa73d71df14ef60d32fb2a3a4ad1cb5a20a898f475e8acc085ffcb6b0aedc476 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BB6 | 17308 bytes |
font_02_sfnt_off000146e7.bin5991f535a0368b726ed7f001b319284dfaa01d2d5fc859600f0b2bf31917e992 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x146E7 | 10872 bytes |
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