MALICIOUS
156
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 0.9996
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 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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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://traffset.ru/strik?utm_term=rwu+academic+calendar+2017+2018 PDF link annotation
- https://rupuxiziwaxez.weebly.com/uploads/1/3/4/7/134765543/9101c03.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450890/normal_5fa2bfcd9481d.pdfIn PDF document text
- https://jowakalol.weebly.com/uploads/1/3/4/4/134480841/fujubisasesu_dofex_nibefigot_besem.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4377902/normal_5f954b749f52f.pdfIn PDF document text
- https://firerokuk.weebly.com/uploads/1/3/1/1/131164187/roxolaziginuz-zeramawuzeke-dojapig.pdfIn PDF document text
- https://botomaluxezevip.weebly.com/uploads/1/3/4/3/134340767/ruvaza_veroxulifevo_xolafivibojiba.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383912/normal_5f8fdb0350c5a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403672/normal_5fa6c666bf000.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/9bca2591-da1f-45d6-8aaa-96f5878ecee9/meaning_of_bottom_up_processing.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc78d8be9133927d90f7fcb/t/5fcb112611c29807e6d3073a/1607143718942/radio_shack_catalog_archive.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_off0000c564.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC564 | 5608 bytes |
SHA-256: a41254e5f6717d054143b2ee18579ee7439e0d207f04d2ed3387e5291e27a675 |
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font_01_sfnt_off0000d87a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD87A | 11180 bytes |
SHA-256: a12bd1f1d45fa0a8e5980d23d69b907adbf073f0df87f4e5052c8fe61691deec |
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