MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall structure indicate an attempt to distribute malware or conduct phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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 https://garglob.ru/uplcv?utm_term=central+limit+theorem+sample+size+calculator PDF link annotation
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608b02437a033---melemefexenox.pdfIn PDF document text
- http://www.nomorcantikjoss.com/file/regexaxoto.pdfIn PDF document text
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/16090706773e5a---93320635763.pdfIn PDF document text
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608506675aeac---zewuwiwadijosexuz.pdfIn PDF document text
- http://letresorellebio.it/userfiles/files/xuwegagusixu.pdfIn PDF document text
- http://afghansolar.com/userfiles/file/34828743334.pdfIn PDF document text
- https://binarbaid.com/public_html/userfiles/file/kekerudeselubatebu.pdfIn PDF document text
- http://irinaburmistrova.ru/files/ravurito.pdfIn PDF document text
- https://harkakotony.hu/UserFiles/file/zokekivete.pdfIn PDF document text
- https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/ef6ff586747cd35aaab82879846ce379/samezizomulexabelepapen.pdfIn PDF document text
- http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/160836324e2d32---woset.pdfIn PDF document text
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a17b19bdb8a---93806875667.pdfIn PDF document text
- https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/rf9rrm849dkrl57qpiddccl3n7/32303094280.pdfIn PDF document text
- https://autoparkalbanese.it/file/89782145866.pdfIn PDF document text
- https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/avdj8c0bvnp7jc9eqeanvedqt3/22822278615.pdfIn PDF document text
- http://ugyvednok.hu/userfiles/file/punewepitajeposab.pdfIn PDF document text
- https://hostsolutions.ro/app/webroot/files/userfiles/files/12694177348.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_off0000dae7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAE7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f2f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2F9 | 18112 bytes |
SHA-256: 6b353bfaedbe2f6d4a9fecb2b18a78914c6133a95200ac36bddc81b3a6b9cb4b |
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font_02_sfnt_off000122ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122ED | 10832 bytes |
SHA-256: e5782827e43d4a212dd6385d1127de1fb15b6a84eef1855d1b31eab33c527a5e |
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