MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan' and an ML classifier scoring it as highly malicious. The document contains numerous embedded URLs, with one prominent example being https://pistant.ru/pbw, suggesting a phishing or malware distribution attempt. The presence of many links on disposable hosting and the use of UTM parameters indicate a link farm designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 5
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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 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://pistant.ru/pbw?utm_term=how+to+set+ken+tech+atomic+clock PDF link annotation
- https://static.s123-cdn-static-d.com/uploads/4487409/normal_60b1450063356.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4464862/normal_60017391a95f3.pdfIn PDF document text
- https://pememeva.weebly.com/uploads/1/3/0/8/130874233/bidoxi_lewinepizame_biwilaminoxif.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412775/normal_600fcbaa97c33.pdfIn PDF document text
- https://xisigonok.weebly.com/uploads/1/3/4/7/134722575/zuzalemakev.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4444374/normal_60b1d5d70e811.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490376/normal_5fd16f27d4d05.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444649/normal_5fd6449d168e9.pdfIn PDF document text
- https://wumotobu.weebly.com/uploads/1/3/4/3/134370577/2096868.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444852/normal_600ca28fb01a8.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4499984/normal_6007a7f32f373.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4501214/normal_601bbe456b073.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4484807/normal_60498a1f34874.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4443588/normal_5feb220d665f0.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4484156/normal_5fd02caa936e0.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://bujolajoxek.pbworks.com/w/file/fetch/144529926/fibexamowi.pdfIn PDF document text
- http://noxiwako.pbworks.com/w/file/fetch/144611388/55495924821.pdfIn PDF document text
- http://tufukamapaf.pbworks.com/f/how_to_open_cd_drive_on_dell_inspiron_3880.pdfIn PDF document text
- http://wufamazajo.pbworks.com/w/file/fetch/144465300/joluzes.pdfIn PDF document text
- http://lagawiwefe.pbworks.com/f/how_to_install_cores_retroarch.pdfIn PDF document text
- http://risodige.pbworks.com/w/file/fetch/144636780/canfitpro_theory_exam_answers.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_off0000fdb0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDB0 | 5060 bytes |
SHA-256: 9dd922eec6aab6a0f00d8b02ad4c984e444bf5aa75d6b564d3488e7ca6a895cd |
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font_01_sfnt_off00010ed5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ED5 | 10376 bytes |
SHA-256: 5d1909d7b0440ee9e88ae996ac34116a6fa5e85191cbf44b1fa2c323c4002a75 |
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