MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress sites, suggesting a link farm designed to distribute malicious content. While no scripts were directly extracted, the PDF structure and URL patterns are indicative of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16080697b15dc0---feverosafodedoramatumepe.pdf
- https://sanmuabancongty.vn/images/content/files/woserid.pdf
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/57a2e5a391619913303a58840f64a4e5/73878344856.pdf
- http://sosnovgeo.ru/userfiles/file/53595920140.pdf
- https://kede.org/userfiles/file/jalanilona.pdf
- https://anthonygillant.com/userfiles/file/90629504683.pdf
- https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/0uq4sfuepp7pnorggi8518qfno/giwuzorijeforufadaweba.pdf
- http://hainescentreasia.com/images/file/nonakawurosakezu.pdf
- http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b47e0fd9bad---kulekomobosopepose.pdf
- https://srp-galabau-rostock.de/wp-content/plugins/super-forms/uploads/php/files/9evhm4nfl4b6s5qc8htvhbbmks/79798891705.pdf
- https://performanceltg.com/wp-content/plugins/super-forms/uploads/php/files/4665c5eaa287b68d373b64a8685fce8e/bafuzoxadujedomokuti.pdf
- http://purpledoorchurch.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608223e608b9c---73846075873.pdf
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160bcf207975a6---8014113414.pdf
- https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/a49ff07427a20b4439607df8e581446c/detunevovafedomev.pdf
- http://www.anclupnapoli.it/userfiles/file/jisogudufij.pdf
- http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c1adaa9edc---zovapolatenajotobo.pdf
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d801790ffe---sutekuzumaduregawe.pdf
- https://cor.org.ar/wp-content/plugins/super-forms/uploads/php/files/cu2rau8n8u225d7b6ot2hu141o/vitiwitifemeda.pdf
- https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/03739fa42b63d02aa77e7a61948b3e32/98455093747.pdf
- https://menu2uplus.com/images/file/gejaxivatetagenejopibexuf.pdf
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a13568cf93f---87023282135.pdf
- http://enerjipiyasalarizirvesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d81f1fbfc60---44571475717.pdf
- https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/160aaade2d9191---tevogunewalel.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=the+broken+column+meaning
- 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_off0000e88b.binc73b7d28345b221cadbb5e3a2b5317bcf7d913fbf80362f6b035693636553460 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE88B | 10704 bytes |
font_01_sfnt_off000100db.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100DB | 16792 bytes |
font_02_sfnt_off000118ed.bin8b9edb211302a54d307fc0b18b0e880a2d27b89947fdb6a65399237037e49dc5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118ED | 16528 bytes |
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