Malicious PDF — malware analysis report

Static analysis result for SHA-256 05196e1596a8b8a7…

MALICIOUS

PDF

71.6 KB Created: 2021-03-07 18:40:36 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 2735abe0b9272da58fdc55ae5b76846f SHA-1: a8854fdc90315cb96d8c0cab4f3daacb4b429ff7 SHA-256: 05196e1596a8b8a7b196d422fef229b1402933680b545d280504cdcfb9b1ab78
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://midufefew.ru/wix?keyword=liquid+image+ego+727+manual+espa%25C3%25B1ol PDF link annotation
    • https://bipipabogudas.weebly.com/uploads/1/3/1/1/131164499/2470c9c9d220.pdfIn PDF document text
    • https://gomafaned.weebly.com/uploads/1/3/5/2/135296522/gofikanezumitevuwa.pdfIn PDF document text
    • https://lusezatakobav.weebly.com/uploads/1/3/4/3/134352635/5209392.pdfIn PDF document text
    • http://tuzudidoxofusi.22web.org/spreadsheet_api_javascript.pdfIn PDF document text
    • https://zesidorav.weebly.com/uploads/1/3/1/4/131437831/61db08.pdfIn PDF document text
    • http://adminhalil.com/facebook_portal_device_user_guidew7cv7.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4411252/normal_5ff57ef6222fc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4381978/normal_604052e6d73df.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4458407/normal_603a106ee4d04.pdfIn PDF document text
    • http://xofebuledat.scienceontheweb.net/vias_de_administracion_de_medicamentos_para_nios.pdfIn PDF document text
    • http://wigomufeze.22web.org/kotes.pdfIn PDF document text
    • http://solapp.xyz/sufukezizaey0c.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4446400/normal_6002972752ae2.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4381090/normal_5ff96fe72f274.pdfIn PDF document text
    • http://woxuruko.medianewsonline.com/19662231013.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/kobivimelelo/tewuvoz.pdfIn PDF document text
    • http://lagiwugakit.rf.gd/87025077031.pdfIn PDF document text
    • http://wumafopid.onlinewebshop.net/53395320942.pdfIn PDF document text
    • http://nosigegu.onlinewebshop.net/battletech_wiki_catapult.pdfIn PDF document text
    • https://s3.amazonaws.com/fekazudabo/batching_of_concrete.pdfIn PDF document text
    • http://gufogima.epizy.com/bca_business_communication_notes.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_off0000d710.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD710 5672 bytes
SHA-256: e9865ad595ef2e29eea4c7a352581c7cc0bbef389ff2fd973a3b14034f73d31a
font_01_sfnt_off0000ea10.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA10 10752 bytes
SHA-256: 169ba0bd407a8d825a7fe90c69234e69214903a63ea3a78fa8073e521432279e

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