MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
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://crysiq.ru/pbw?utm_term=astm+a370+pdf+download PDF link annotation
- https://cdn-cms.f-static.net/uploads/4485322/normal_6061ecf12d6cd.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4368218/normal_5ffab55a6bbc5.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4376125/normal_6007b241a49f5.pdfIn PDF document text
- https://kowupozot.weebly.com/uploads/1/3/4/8/134887449/4e60c764.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376619/normal_601189c10b8f0.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4409250/normal_5feff5a133fb8.pdfIn PDF document text
- https://wukavuzadit.weebly.com/uploads/1/3/0/7/130776823/vebukamorewoxi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490377/normal_6063e02b80dd7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420438/normal_60b9abb64df7d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4491671/normal_5ff41c5c8d61d.pdfIn PDF document text
- https://wojazaxu.weebly.com/uploads/1/3/4/5/134589930/edd9112db9d59e.pdfIn PDF document text
- https://sanupeden.weebly.com/uploads/1/3/5/9/135961416/565864.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414175/normal_5fd2ce676c758.pdfIn PDF document text
- https://morozosewiveloz.weebly.com/uploads/1/3/4/3/134387595/porurabexa.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/57870154-0f5a-4416-b3ef-cdc4397e7b7d/nordictrack_exp_1000_s_reviews.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/62a35df0-4590-45cb-91f6-b77d03932558/dyson_vacuum_brush_not_spinning_on_carpet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f545e387-2c6f-405d-b43c-5ac4898477bc/fuvesu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d69a4331-7fca-4172-ab4c-0f1ed8ab68f8/lujexubufulofo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5cc56cf9-aec0-48cc-8b2a-d109f928884e/83029868326.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d40a7187-af80-4a99-8c79-cd8b95c293d4/panakidupidaxutino.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6409081f-55c0-448c-bbfe-8c496fa9e253/windows_10_calculator_missing_from_apps_and_features.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/29886962-89c3-4c11-ac23-e20c1b7674ab/prince2_agile_foundation.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_off0000da2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA2A | 5556 bytes |
SHA-256: f7f97fde88ee380058d63f71e7821dd66eb4040b43dee22873fc77b6b63b1e08 |
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font_01_sfnt_off0000ed19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED19 | 10376 bytes |
SHA-256: 7cff476357d7c22b20f8b3fd38bc051721b7126898406cdb2433982e46964d38 |
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