MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many pointing to disposable hosting, indicating a link farm or SEO manipulation tactic. ClamAV and an ML classifier flagged this file as malicious, specifically as a phishing trojan. While no scripts were extracted, the PDF structure and embedded URIs suggest it's designed to redirect users to potentially malicious or deceptive content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://chcial.ru/pbw?utm_term=where+to+put+tens+machine+pads+for+back+pain PDF link annotation
- https://gikotibosad.weebly.com/uploads/1/3/4/3/134332820/c39d2f1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369166/normal_606449e0bf6c1.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4418197/normal_5ffc26dd33248.pdfIn PDF document text
- https://volilisaxox.weebly.com/uploads/1/3/1/4/131453747/8416adb79b5b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465555/normal_60135f7a2d964.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475380/normal_5fd3a20ddfd7f.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/3140e5e1-0b06-458c-83e7-9bb9ca027dfd/lubetet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e3a797ff-82a2-4bf0-acb9-dc71a01187d5/barimopovatenalemavefopa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/32ec72f3-7c33-4e69-b5f8-c0fc603372c3/sevixof.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0053dca9-6552-456b-bffd-78f1045a83de/circle_theorem_questions_and_answers_grade_12.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/27a4d108-a77e-48d1-98c1-26617e7f98fe/42182532470.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cd3f7845-a378-49ce-a7de-0fff32a1b0bb/ge_phones_support.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/299b0bc7-434f-4590-a3ce-5ccb29791343/32851736700.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b4eeca3f-9131-4829-82e4-b3f14f6c5d68/how_to_fix_glacier_bay_dual_flush_toilet.pdfIn PDF document text
- http://pilujibos.pbworks.com/f/85369221467.pdfIn PDF document text
- http://litorabi.pbworks.com/w/file/fetch/144516483/dragon_ball_shin_budokai_6_ppsspp_iso_file.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/aff166a1-dff2-42d0-a798-2f66c9415db6/xusesoferur.pdfIn PDF document text
- http://lipadune.pbworks.com/w/file/fetch/144412608/54954719645.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/71466dca-b1d0-40c3-84ce-4ec3e8ff8a61/learn_spanish_grammar_book.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d5a81f8f-6d40-4424-916c-8576ec7f0554/72965851702.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fb20b205-efe8-4238-869f-c84de5da8eec/76222827999.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d2debaac-edfe-4e0d-9b52-905a3da428bd/56763153386.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_off0000e736.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE736 | 5580 bytes |
SHA-256: 4f018d72e3ccfdb73a31e052b720b408f3363f0e42a55f591e53df5b57ceb7cb |
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font_01_sfnt_off0000fa09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA09 | 10700 bytes |
SHA-256: fe8d3da3c6c1bd6d8e6d334fa8de05be3b774d9f9a0a409912b04a7a21d752d9 |
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