MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to multiple compromised WordPress sites and disposable hosting domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were directly extracted, the PDF structure and embedded URLs are indicative of a malicious document designed to lure users to external sites.
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 http://vladjurnalist.ru/archive/file/lazizazezutewizujiz.pdf In PDF document text
- http://leebyunghun.kr/new/upload/board/files/97237214707.pdfIn PDF document text
- https://aimhc.com/userfiles/file/5269488336.pdfIn PDF document text
- http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6671507383---wawufu.pdfIn PDF document text
- http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/16094335ed8483---posubejedixefatinef.pdfIn PDF document text
- https://stbenedikt.ch/userfiles/files/tebedasupepokatebifera.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/9ab6b840c9f9ee19c9d9b60b74bbb50b/40704306480.pdfIn PDF document text
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/e1d8932a1a85a912c7e151985275be8b/15626578293.pdfIn PDF document text
- https://personnelcle.com/userfiles/file/31558804822.pdfIn PDF document text
- https://annjulieskarpmo.com/userfiles/file/kidowidewixozigam.pdfIn PDF document text
- https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/485e6ii03hr3fkfqo09mce1ep6/nawuzubelidexo.pdfIn PDF document text
- http://sure2trips.com/bot/ckfinder/uf/files/kekonawizo.pdfIn PDF document text
- https://www.aceitedeoliva.com/wp-content/plugins/super-forms/uploads/php/files/22b4c84b52a1643fa7b1b2dcb85a5e0d/73715884754.pdfIn PDF document text
- https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/aae9074442cddbeefb6579367aa2bc4a/luruwu.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/3364ca3161dea43b3b0a4e444519fc83/ganigisum.pdfIn PDF document text
- http://adabaskimerkezi.com/upload/file/12955950198.pdfIn PDF document text
- http://paroissedementon.fr/upload/files/35368728359.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=converging+absolutely+and+conditionallyPDF link annotation
- 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_off0000acce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xACCE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c4e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4E5 | 10996 bytes |
SHA-256: 382178e7d613f5ffdf145b385317b44207d0c3808c4db7010d6dc70ce3c6fe20 |
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font_02_sfnt_off0000de71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE71 | 15404 bytes |
SHA-256: 15ecca739cc5af3bc0786f900d9ae61b9ffd3dd43627497ba220be0b348739dc |
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