Malicious PDF — malware analysis report

Static analysis result for SHA-256 db7407d2d1e23ad5…

MALICIOUS

PDF

87.1 KB Created: 2021-03-01 05:21:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: cb0034743e572de13293bdcdb71e810b SHA-1: 5543fe01a0901025318f7072396387fe77ebb9dd SHA-256: db7407d2d1e23ad500022252131ebf706b15d7066144c0d9b549a9f3b0e44b14
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://dugedepap.ru/123?utm_term=the+layguide+by+tony+clink PDF link annotation
    • http://milansit.space/kemuluwafosijinafep0aph.pdfIn PDF document text
    • http://cucoupon.info/31639670243ke52s.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4389095/normal_5fd5f08f78e5b.pdfIn PDF document text
    • http://vehicleusains.com/engineering_guide_tbc_2._4._3htjov.pdfIn PDF document text
    • http://cheapkeys.site/negivemumakaxugacw4ug.pdfIn PDF document text
    • http://andyhongdigital.com/detentionaire_season_5_release_datesw2qj.pdfIn PDF document text
    • http://badgesverified.com/kenmore_elite_calypso_washer_repair5sn6r.pdfIn PDF document text
    • http://lynciguest.com/xibekonirilazn6ivg.pdfIn PDF document text
    • http://verifiedbadge-lnstagram.com/amores_verdadeiros_telenovela_capitu7lgou.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368782/normal_60339c4713c5e.pdfIn PDF document text
    • http://fsfsfd.xyz/revujitmq69.pdfIn PDF document text
    • http://setofexperience.site/tilupseznx.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4483089/normal_60067fddb4a6b.pdfIn PDF document text
    • http://bigwin-1xbet.fun/checkbox_in_excel_template6c80s.pdfIn PDF document text
    • http://icub.tech/soxejebabokusiwufojos5ymrx.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.

FilenameKindSourceSize
font_00_sfnt_off000117c1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x117C1 5180 bytes
SHA-256: 78eab9d2678c3ef3dbb849246cc740731390a5ba84edb21239a97bc18af43f83
font_01_sfnt_off0001296c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1296C 11208 bytes
SHA-256: 45745d0e9c35deb4072910784f66227ec0ed072e11a1a7ef601b69373bc2cac8