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 0.9998
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://baarspo.ru/123?utm_term=graphic+design+degree+online+uk PDF link annotation
- https://static.s123-cdn-static.com/uploads/4445871/normal_60023f99d6df6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4457005/normal_5fd7c81292adb.pdfIn PDF document text
- https://pinobuni.weebly.com/uploads/1/3/0/9/130969003/mebikuwubozu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4479445/normal_60184d96bef01.pdfIn PDF document text
- https://pamaridefudeluz.weebly.com/uploads/1/3/0/7/130776324/9922368.pdfIn PDF document text
- http://iblack.space/the_heart_of_yogavxas5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470521/normal_6029169154485.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4458145/normal_600bb35d98ce4.pdfIn PDF document text
- https://ravojinukof.weebly.com/uploads/1/3/4/4/134476618/gabafopizusifevo.pdfIn PDF document text
- https://webegerux.weebly.com/uploads/1/3/4/7/134759049/3111708.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4376602/normal_5fecc36671e1f.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/rerinago/all_india_radio_training_report_free.pdfIn PDF document text
- https://s3.amazonaws.com/jidagafinuxesu/procesos_de_degradacion_del_suelo.pdfIn PDF document text
- https://s3.amazonaws.com/zomuzigo/chatbot_database_free.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_off00010247.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10247 | 5432 bytes |
SHA-256: f4c2fe2bee6b2d44fb396fb443848bf4ff221be89d5f7d50d729558b92dea607 |
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font_01_sfnt_off000114bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114BC | 11104 bytes |
SHA-256: b34b735ffb127776072b9e54f43161b7ebade4b8495fc48f51a8a4a9230eb7fd |
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