MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to compromised WordPress sites and disposable hosting, suggesting it functions as a link farm to distribute phishing content or further malware. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly supports this attack pattern.
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://allytemp.ru/uplcv?utm_term=argument+on+school+uniforms PDF link annotation
- https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/011d2dd6d4da363b9515466d6f42e860/8805466878.pdfIn PDF document text
- http://onishi-kyosendo.jp/archive/jiketekumamapaj.pdfIn PDF document text
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/f592c7a26156e05ac2f3f21a4c5b25b1/duvewilamemeposununama.pdfIn PDF document text
- http://www.victoriousintl.com/new/resource/files/69186325051.pdfIn PDF document text
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608da5f1bfcf6---kabimifo.pdfIn PDF document text
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a09719dcac5---dosekugotukibu.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/73349766589.pdfIn PDF document text
- https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/f78f6e21962cb1e7d1834ef26220b7da/somanipozegumatukolebem.pdfIn PDF document text
- http://infunplastic.com/d/files/juxawosafulitavepufi.pdfIn PDF document text
- http://transport-vehicules.fr/userfiles/file/befas.pdfIn PDF document text
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/oo0u8rp26vrfnvo6cr2tt5ru07/zokizerobeme.pdfIn PDF document text
- http://namlinhchisapa.com/userfiles/image/file/tejabivusokus.pdfIn PDF document text
- http://nakajima-ya.com/upload/save_image/files/zowipenututaxuw.pdfIn PDF document text
- http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bc5016208e---11426062100.pdfIn PDF document text
- http://www.mearesandassociatesllc.com/siteuploads/editorimg/file/mofovomus.pdfIn PDF document text
- https://travelinnsuites.com/nbloom/fckuploads/file/giwuxolavefipuxudemajokab.pdfIn PDF document text
- https://thediamangroup.com/_images/files/45297401252.pdfIn PDF document text
- https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/8080ed38b8c20c229efa42e36a05e621/10934445719.pdfIn PDF document text
- https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/db9aa35797278ffe72d88117efa9659c/85246636078.pdfIn PDF document text
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/16090760ed767b---8398540033.pdfIn PDF document text
- http://fygl.net/uploads/file/190943385430.pdfIn PDF document text
- http://studioindelicato.com/userfiles/files/86361156143.pdfIn PDF document text
- https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/25927e5688240ec74320d5eea28ea118/7958752110.pdfIn PDF document text
- https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/a94d6e8fc68d873708edd4d90b1b9d95/84431121469.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f289.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF289 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010aa0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AA0 | 10700 bytes |
SHA-256: 6d32725b3084f01d26e76de5635c77c88a15fe0d4d0eefaa1fe1e3df8691ea96 |
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font_02_sfnt_off000122f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122F8 | 16736 bytes |
SHA-256: c10908d41bc712f8885f05f46c1dd73305033b6c759fe2db2d302042c870d287 |
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