MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing or trojan variant. It contains numerous embedded URLs, with one pointing to 'coretry.ru', suggesting a phishing or malware distribution attempt. The PDF structure and embedded content indicate it's designed to redirect users to external, potentially harmful, sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://coretry.ru/pbw?utm_term=b+flat+blues+scale+alto+sax PDF link annotation
- https://cdn-cms.f-static.net/uploads/4495551/normal_604424c5a13c3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486045/normal_605e077752722.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368488/normal_60422381c6c2e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4427498/normal_5febf37a865b6.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4489717/normal_5ff818bda5df4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414166/normal_604fe039193f4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490738/normal_605e1298312cd.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/cd9e3d0f-ee8f-4b3e-a6c2-fee0146973ea/54850093259.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/48658145-a58d-4478-9f15-c588252767b7/lewis_dot_structure_worksheet_middle_school.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/42682d9e-4f04-403a-a0bc-0e101dd64f08/10929455383.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fe586628-4600-4f4a-8030-b6d25281ee3c/the_secrets_of_dance_music_production_ebook.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6c135f7a-5eec-4f79-804c-60e36c9cb014/varuvosojuwigolerolajipo.pdfIn PDF document text
- http://bujolajoxek.pbworks.com/w/file/fetch/144580848/43026062398.pdfIn PDF document text
- http://sufizilofab.pbworks.com/w/file/fetch/144497022/sutujiwiwekamubefimimipir.pdfIn PDF document text
- http://fulusivijomu.pbworks.com/f/peter_lynch_beating_the_street_reddit.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7ac227fc-3f0c-4e3d-b7e0-a2c6a3fdec84/9482680063.pdfIn PDF document text
- http://gijorugisaw.pbworks.com/w/file/fetch/144598815/98368284478.pdfIn PDF document text
- http://xuvabufoj.pbworks.com/w/file/fetch/144565659/lisomelunosu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a9de9554-c4a1-4f78-bac4-0f9aaebe371a/nuestro_inslito_universo_libro.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e56ff084-fe0a-4077-b275-8a8a8920db1e/acer_laptop_prices_in_pakistan.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8dc6df2d-2731-4cd6-8050-0620db1c46e7/bajujisimukuz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1ec08121-9c5b-4c96-9c0e-f7b5513b7ed9/reruxexofizupukonov.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b1abccb2-e11e-4edc-8ba5-d60dbb2b0b74/fl_studio_12_hardware_requirements.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3cfb47db-e4fa-44f1-a867-a587d63f4e05/how_to_use_gimp_2.10.20.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/27d8016f-d69f-4bf5-962d-a787ce8138f3/41826579245.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_off0000f9e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9E8 | 5036 bytes |
SHA-256: 5e6c427795fef108881271aaccfda6e707da26b9778f83cbf96450aeb589267a |
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font_01_sfnt_off00010b25.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B25 | 10716 bytes |
SHA-256: 0c43f22d768914b095eda36e43aee5a6d62c68e64c59aea8277f1f8255f436fe |
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