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-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 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://resalured.ru/strik?utm_term=all+accounting+terms+and+definitions PDF link annotation
- https://cdn.sqhk.co/gixixutiji/ogfib7C/zibakajovibixabojefaxal.pdfIn PDF document text
- https://cdn.sqhk.co/jotoselu/bRlCjbV/free_robux_obby_september_2020.pdfIn PDF document text
- http://it50disconto.info/rafegofonanivosugexow651p.pdfIn PDF document text
- http://tehnikator.ru/ritual_de_exorcismoftlri.pdfIn PDF document text
- https://cdn.sqhk.co/tikalijit/9u1ENid/sword_makers_in_japan.pdfIn PDF document text
- http://emmetrix.net/elantra_ad_service_manualnfxqa.pdfIn PDF document text
- https://cdn.sqhk.co/nokotadi/o5JHyia/xotapudebabaloruxinokep.pdfIn PDF document text
- https://cdn.sqhk.co/reriwoduriju/wlhingd/dig_2_china_free_download.pdfIn PDF document text
- http://paxawujaxoda.22web.org/guzopakufusexefofujedasid.pdfIn PDF document text
- http://henrysavbr.site/fujanefijebidikegegdsbxn.pdfIn PDF document text
- http://zixosoliga.iblogger.org/bursted_wood_primary_school_ofsted_report.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://tutivute.epizy.com/59214243461.pdfIn PDF document text
- https://s3.amazonaws.com/gelawiweza/15499068160.pdfIn PDF document text
- http://bejofidexi.epizy.com/formule_excel_calcul_d_un_pourcentage.pdfIn PDF document text
- https://s3.amazonaws.com/xeruxaxer/42490594871.pdfIn PDF document text
- http://fonumelipo.rf.gd/poster_design_templates_free_psd.pdfIn PDF document text
- http://vorenetizufumuj.rf.gd/vevelotopobez.pdfIn PDF document text
- http://poluwusafoge.epizy.com/98218668619.pdfIn PDF document text
- https://s3.amazonaws.com/xuzed/bijofubukujewem.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_off00012dfb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DFB | 5328 bytes |
SHA-256: 34ba513a06513254e4ee1e16fdbccc5eefd5ca82cb01a9a10221dd8711ad05b9 |
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font_01_sfnt_off00014005.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14005 | 11400 bytes |
SHA-256: 8231bf9fac6615cd482b76d68b83cd6a32e2cf384435e9d874e62c17cc609206 |
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