MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many pointing to disposable hosting, and one specific URL (`https://jacksth.ru/strik?utm_term=gilbarco+advantage+error+code+4353`) which is likely part of a phishing or malware distribution scheme. ClamAV and ML classifiers also flagged this PDF as malicious, specifically as a phishing trojan. The document body, though heavily obfuscated, contains references to wkhtmltopdf and a date, suggesting it might be a crafted 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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://jacksth.ru/strik?utm_term=gilbarco+advantage+error+code+4353 PDF link annotation
- https://damafurota.weebly.com/uploads/1/3/5/3/135337485/bodemuvijusif.pdfIn PDF document text
- https://fafevidelaxikez.weebly.com/uploads/1/3/4/4/134481631/3505353.pdfIn PDF document text
- https://gobajirosalafos.weebly.com/uploads/1/3/5/3/135392744/kirovidila.pdfIn PDF document text
- https://fokereja.weebly.com/uploads/1/3/1/8/131856005/vusumajolesepej_sebeliv.pdfIn PDF document text
- https://jitedamanun.weebly.com/uploads/1/3/4/6/134627504/xisiwaru.pdfIn PDF document text
- https://faneputivodi.weebly.com/uploads/1/3/0/8/130874667/kepefexiv_janepa.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/532d1d72-7418-420d-9b06-fc122dbbc31d/72264607063.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/28106c95-5a0b-48ce-94e0-0b5622c06774/demigods_and_magicians_book_1.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bb58c71b-b398-4af2-973f-464ffe61eea4/heat_n_glo_remote_wont_turn_off_fireplace.pdfIn PDF document text
- https://s3.amazonaws.com/dazifozixawus/mp4_hd_movies_telugu.pdfIn PDF document text
- https://s3.amazonaws.com/kezemiradigu/33845480547.pdfIn PDF document text
- https://s3.amazonaws.com/dekogamik/facebook_videos_online_mobile.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6937835b-9263-4b8d-b846-c2d6f9849c74/the_mill_on_the_floss.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/22beb45d-48a2-4a7c-976c-96245be7aa3e/moxijiwewadi.pdfIn PDF document text
- https://s3.amazonaws.com/gapuruxumeg/dukomununawadileworegukuv.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fd8acd86-fc7a-4178-a009-854ca502b356/what_does_don_mean_in_english_slang.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e626185c-50fd-4cd8-84f8-af7ab2919306/chamberlain_41ac075-2s_parts.pdfIn PDF document text
- https://s3.amazonaws.com/dibedamoka/giwowafevugefapewe.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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ed10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED10 | 5536 bytes |
SHA-256: 9b85a0d7aff664eded6ffaff4f7f035247ae59246a805fd2cdc7f51a0f44ee2c |
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font_01_sfnt_off00010007.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10007 | 12016 bytes |
SHA-256: 17f9e4c382bf4aed193294aea76425069b319a9c8f5ed48146cce01507f77988 |
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