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 0.9960
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://crophysi.ru/123?utm_term=chimney+user+manual PDF link annotation
- https://cdn-cms.f-static.net/uploads/4490515/normal_600af21f36ce7.pdfIn PDF document text
- https://putesoborufo.weebly.com/uploads/1/3/0/8/130814126/1196451.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4453118/normal_5febe4895279d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4410207/normal_5ff29e2a22710.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4377120/normal_5ff104542dd3c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4484355/normal_600731732d69e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4456685/normal_602c51eccf845.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403540/normal_60207c6dd5e7c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412160/normal_603100462edcf.pdfIn PDF document text
- https://kagixopobexumel.weebly.com/uploads/1/3/4/6/134648921/fcf15cb8c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378606/normal_6027b2ed5b9f8.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4469837/normal_5ff97d550fa6e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365553/normal_603d2bfeb4335.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4467027/normal_6045e35e9b9ad.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421937/normal_60331c143053a.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4371536/normal_60b26c3dd4a68.pdfIn PDF document text
- https://bimonodinedijov.weebly.com/uploads/1/3/4/6/134697137/zitaw.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4488116/normal_601a7d426bdb2.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4477387/normal_5ffdb86b654f7.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4387230/normal_5ffb5447a1b48.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409250/normal_6047f5f1aafe8.pdfIn PDF document text
- https://kanazotevixif.weebly.com/uploads/1/3/2/7/132740718/pobetesumuju.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/77a36cd0-d372-4d03-8a2e-d4ce47bacdb5/american_headway_5_teachers_book_free_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/74c24cf4-7653-499c-a85d-3f74c38b44f9/how_to_choose_graphics_card_manufacturer.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/43fb1fb7-6d2d-41ad-834a-e0e0c518d424/6758208569.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4426cec0-e154-4ebf-ae24-7cb250a5260e/the_secret_life_of_bees_download.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_off0000ea24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA24 | 4932 bytes |
SHA-256: d101b13e253893f8027d39ea630c3409812514110ec92806ddd1f7bceda2c35e |
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font_01_sfnt_off0000fabd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFABD | 10940 bytes |
SHA-256: 3fcd571ce725944f2b62ff657e46b0e20ff53a8144633f535f411d68b7f8e084 |
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