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-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://traffnew.ru/aws?utm_term=chemistry+past+papers+o+level+gce+guide PDF link annotation
- https://site-1176333.mozfiles.com/files/1176333/zifituruberonetijomo.pdfIn PDF document text
- https://site-1177197.mozfiles.com/files/1177197/89488336551.pdfIn PDF document text
- https://vebajixumese.weebly.com/uploads/1/3/4/4/134483039/cd9e5a353f5d.pdfIn PDF document text
- https://dajikunizitawis.weebly.com/uploads/1/3/1/1/131163857/luwuwuludiri.pdfIn PDF document text
- https://site-1171695.mozfiles.com/files/1171695/rush_limbaugh_podcast_youtube_september_25_2020.pdfIn PDF document text
- https://site-1208413.mozfiles.com/files/1208413/16523246691.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4411491/normal_5ff42fe9657fb.pdfIn PDF document text
- https://lewofadexireg.weebly.com/uploads/1/3/4/8/134868993/4298484.pdfIn PDF document text
- https://rebeluzibefu.weebly.com/uploads/1/3/4/6/134619862/604e305b81.pdfIn PDF document text
- https://nikoxutaju.weebly.com/uploads/1/3/1/3/131378952/3310329.pdfIn PDF document text
- https://site-1237389.mozfiles.com/files/1237389/dopekep.pdfIn PDF document text
- https://vodiwisilob.weebly.com/uploads/1/3/2/6/132681054/8821096.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/vawoginele/girl_guides_of_canada_sparks_badges.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bff6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFF6 | 5552 bytes |
SHA-256: 026a658463c3bcfdac7dc3a69977637ed2f595171f11eaac0b9ba0a45d46dc2d |
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font_01_sfnt_off0000d2ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2AE | 1800 bytes |
SHA-256: a36eee06fef6ce219692c4ec918276ac99413e4fd1e3666e4031624f9289d620 |
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font_02_sfnt_off0000db3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB3B | 11108 bytes |
SHA-256: c08d401502f23581f75fbf2910ae8bc4ae5f2abcb108cbb976e5d737eaf997be |
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