MALICIOUS
134
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. It uses an invoice-themed lure. 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 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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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=how+to+record+accrued+rent+income PDF link annotation
- http://vnds-v.website/definition_of_corporate_strategic_planning_process_involvesfs20s.pdfIn PDF document text
- http://vienvozvrat.site/ponyo_on_the_cliff_by_the_sea_english_dubgqgsg.pdfIn PDF document text
- http://ottics.ru/halves_and_quarters_worksheet_free49vpl.pdfIn PDF document text
- http://natikolom.site/sosobomeditebugibbscf.pdfIn PDF document text
- https://cdn.sqhk.co/gukokefa/dSwhj3O/illusion_connect_date_guide_miyuki.pdfIn PDF document text
- http://uscarinsurance.info/fundamentals_of_communication_systems9gpxv.pdfIn PDF document text
- http://dontbeshy.xyz/belgium_short_stay_visa_application_formg7eax.pdfIn PDF document text
- http://sait-ok.ru/audited_report_companies_act_2016mqr2w.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4389104/normal_60286458a8a6a.pdfIn PDF document text
- https://cdn.sqhk.co/gevopobi/5hchhXZ/smart_launcher_themes_free_download.pdfIn PDF document text
- http://akmurzina.com/74200534009z2hbg.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000c977.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC977 | 4928 bytes |
SHA-256: cf95bda7bb2cce3813ce78d600a3e873ec1d7a619b919661fdf0e31785583ad7 |
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font_01_sfnt_off0000da34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA34 | 10324 bytes |
SHA-256: 1f2ab4b287f7f95cd9e979a730dbde2a3e75114d0067a44c534a74d2a42f95a9 |
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