MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by multiple heuristics and a machine learning classifier, specifically flagged as a phishing trojan. It contains numerous links to compromised WordPress sites and disposable hosting, suggesting it's part of a link farm designed to distribute malware. The document body, though heavily obfuscated, contains text related to free MP3 downloads, indicating a social engineering lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://ketchas.ru/uplcv?utm_term=padayappa+tamil+mp3+songs+free+download PDF link annotation
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1609252e7c19a3---36484601594.pdfIn PDF document text
- https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/b8eij33idf7qpk7h0ppg792d9o/jedat.pdfIn PDF document text
- http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/78vjrv41df4j1d3m56lg74uce2/nigapemamudipokedafuzixa.pdfIn PDF document text
- http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/85u0bcmenb5q9gtag4232hpe25/koxowikedezolazukejux.pdfIn PDF document text
- https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/c5b870d49942e8b80111e4bbf6b180ad/89390365650.pdfIn PDF document text
- http://sarlampa.ru/upload_picture/vajij.pdfIn PDF document text
- https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/905f48a1dd087553012c1b95a5592523/54397014197.pdfIn PDF document text
- http://cerrutistudio.eu/userfiles/files/51609496753.pdfIn PDF document text
- https://srp-galabau-rostock.de/wp-content/plugins/super-forms/uploads/php/files/lq7gvcceb5sfpvvm72au9u9b24/90520621514.pdfIn PDF document text
- http://inter-travel.hu/_user/file/61900080613.pdfIn PDF document text
- https://et-auditing.com/userfiles/files/27814090098.pdfIn PDF document text
- https://ptogel2.com/contents//files/vovimevabove.pdfIn PDF document text
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/78b901161ba87c5c6193549ba6fad40c/75391874397.pdfIn PDF document text
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607d217163d67---wuwosik.pdfIn PDF document text
- https://alakharia.com/public_html/userfiles/file/34655989315.pdfIn PDF document text
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/16090747cc75dc---48495850868.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ddf7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDF7 | 5508 bytes |
SHA-256: dfaa90956596a6d98703659dc87bd893fa8b21df0405235f6b486659a3e3bb4b |
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font_01_sfnt_off0000f0ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0AB | 10716 bytes |
SHA-256: 223598c0b21e813300198713664aee185b94005f13e199634bfcfed6296f28fa |
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font_02_sfnt_off0001154c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1154C | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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