MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by a ClamAV signature and an ML classifier, indicating it's likely a phishing or SEO spam document. It contains a large number of external links, with one specifically mentioning "east texas truck driving jobs", suggesting a lure for job seekers. The presence of embedded URLs and the PDF structure strongly suggest it's part of a link farm operation, likely intended to manipulate search engine results or redirect users to malicious sites.
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://nipisod.ru/wb?keyword=east%20texas%20truck%20driving%20jobs PDF link annotation
- https://cdn-cms.f-static.net/uploads/4458840/normal_5fd5fe4348f61.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4501231/normal_60027c10a9f39.pdfIn PDF document text
- https://busajivajikiguv.weebly.com/uploads/1/3/1/3/131384407/1903731.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4469116/normal_60045dd4b8d6c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450243/normal_60376c0f3663f.pdfIn PDF document text
- https://surumovosutimu.weebly.com/uploads/1/3/4/7/134733284/notuna-ruwubupi-pabarazilomagur.pdfIn PDF document text
- https://riligasiguvenu.weebly.com/uploads/1/3/5/3/135392009/ramapo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384155/normal_60501fd5ba284.pdfIn PDF document text
- https://rujedupexiveviz.weebly.com/uploads/1/3/4/8/134874221/panopo.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/cbed96bc-b3fd-44c1-b5b8-30d1e6455b92/tirujiwixak.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/edf54ca5-daf0-4577-8c48-db39c857ec8f/guvelex.pdfIn PDF document text
- https://s3.amazonaws.com/genedonapubefe/49916950760.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c5f87741-5102-4564-ae80-a14cd8e7699f/90202638263.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d06761de-e1af-4035-9393-0364033c6042/mysql_database_administrator_interview_questions.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/929e5811-62e3-473e-bca5-fbfac1a345ee/dd_3.5_cleric_domain_guide.pdfIn PDF document text
- https://s3.amazonaws.com/varolexexus/2928421780.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/abdee741-ee43-45b1-851b-e061cfcf0226/centurylink_c1000a_setup.pdfIn PDF document text
- https://s3.amazonaws.com/saziwijaxodav/zumalop.pdfIn PDF document text
- https://s3.amazonaws.com/fonazuzixagizir/cirque_du_freak_movie_cast.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_off0000ebe0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBE0 | 5440 bytes |
SHA-256: 62aae7a0d4f439e6030a1746553b8ab2873231fcd4e5ae46968eb8df1fcd745c |
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font_01_sfnt_off0000fe81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE81 | 11900 bytes |
SHA-256: 290c18c5474f23c5ba84a50d236dab099bf30a623d5177332f5ca26fec36a926 |
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