MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a significant number of external links, many pointing to disposable hosting, indicating a link farm or SEO abuse tactic. While no scripts were directly extracted, the presence of numerous external URLs, including one with a 'download' filename, suggests a potential for redirecting users to malicious content or phishing pages. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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 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://medvor.ru/pbw?utm_term=ukulele+children%2527s+songbook+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4370264/normal_6046d21b5570b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4491151/normal_602a5321015d4.pdfIn PDF document text
- https://pudewufaziv.weebly.com/uploads/1/3/0/7/130739775/rixeko.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4368240/normal_60015eab1677a.pdfIn PDF document text
- https://wavixozuxukoreg.weebly.com/uploads/1/3/1/3/131380445/5949039.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4492272/normal_6052f1dcadb59.pdfIn PDF document text
- https://gizepigonezes.weebly.com/uploads/1/3/4/9/134901759/nezitowegabisuluwi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410415/normal_603f17425eb96.pdfIn PDF document text
- https://mupawume.weebly.com/uploads/1/3/4/3/134365579/nakepira.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4425211/normal_60baa25e2181d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4370097/normal_5fca6a5b0f8b5.pdfIn PDF document text
- https://felomadexibeb.weebly.com/uploads/1/3/4/6/134687620/699f698.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4388282/normal_60affe4881dd2.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4481518/normal_6004ecb805fd2.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://xixokuzujoz.pbworks.com/f/download_icloud_bypass_tool_for_windows.pdfIn PDF document text
- http://padimagofo.pbworks.com/w/file/fetch/145077252/nepukurugibibi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e57e1518-0def-461d-82b5-7cf404577d0b/how_does_developmental_biology_support_evolution.pdfIn PDF document text
- http://xibosini.pbworks.com/w/file/fetch/144511545/how_to_cheat_swamp_attack.pdfIn PDF document text
- http://sozevupegufi.pbworks.com/f/14805837266.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e638dded-46a8-4121-a85d-9c9dd5a6c2bc/the_central_idea_statement_in_a_persuasive_speech_is_called.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_off0000d7d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7D8 | 5436 bytes |
SHA-256: 30f1f42ba33dc9c89da0c5afc0c3ee6d3422c61ff49a75d593fb52559064831c |
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font_01_sfnt_off0000ea5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA5A | 10508 bytes |
SHA-256: dccf15a4d60c0af6dbc2d65c22c9aab0931fcd3e453ebb672ad605715eb04c09 |
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