Malicious PDF — malware analysis report

Static analysis result for SHA-256 1934dafef58586db…

MALICIOUS

PDF

70.3 KB Created: 2021-02-18 21:53:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-17
MD5: cddf6873665eb0de5e0028723b02dfca SHA-1: 89ffd2355d4d75bb8322d3a747e955556634800d SHA-256: 1934dafef58586dbf5c96985c5ec074844b0351aa3f9ae69f47d25e6a873d905
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The 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.
  • Embedded URL info EMBEDDED_URL
    One 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://seumenha.ru/wix?keyword=mandy+mitchell+news PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4485435/normal_5fda6adaa5c92.pdfIn PDF document text
    • http://youralteragoods.com/able_checklist_template_wordd74l8.pdfIn PDF document text
    • http://vovadot.22web.org/hungry_shark_evolution_cracked_apk.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4455901/normal_602628dcde17d.pdfIn PDF document text
    • http://zoxatib.iblogger.org/fedunixewofag.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4457302/normal_5fd62c947c917.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4481423/normal_5fdbe772dacf4.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4498348/normal_5fe6baa751598.pdfIn PDF document text
    • http://umniashka.ru/fusionner_avec_adobe_acrobat_readerk7g2n.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4417309/normal_5ff29f977e507.pdfIn PDF document text
    • https://cdn.sqhk.co/bitizulokiva/igcieib/riwulotilebovegowate.pdfIn PDF document text
    • http://pujuburebofig.iblogger.org/amazfit_bip_manual_reset.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4476294/normal_60142f7845401.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/zarevizebi/63665525730.pdfIn PDF document text
    • https://s3.amazonaws.com/rutufokedizon/mission_impossible_fallout_imdb_parents_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/setigafat/27578101900.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.

FilenameKindSourceSize
font_00_sfnt_off0000d5ca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD5CA 5280 bytes
SHA-256: 70ed5c62d22cf5f4e0c0fad5d8aaf3eb5cb78cc609e11e85f1be52b4215c5895
font_01_sfnt_off0000e7c0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE7C0 10740 bytes
SHA-256: e3bc3fa59d7231ce293a3d773caa75172c570c6609c39958585bbade1ca66983