Malicious PDF — malware analysis report

Static analysis result for SHA-256 65216b0c86d66909…

MALICIOUS

PDF

71.7 KB Created: 2021-02-24 08:38:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 2050e91f9b828fe6d7953c4267b371ec SHA-1: 16807a9f9688fd739d46e60ee31a28234d19d3e3 SHA-256: 65216b0c86d6690906a98c53d77ca5bca8b6b515e22623a1ba68f16560039b6f
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://jottigo.ru/wix?keyword=d-link+model+di-524+manual PDF link annotation
    • http://lnstagramsupportlives.com/amnesia_the_dark_descent_apkx0tsc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4450154/normal_60220ac0ec62c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4486033/normal_5fe96773558e4.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366011/normal_6012df06da299.pdfIn PDF document text
    • http://copyright-notice-ig.com/fire_wallpaper_hd_iphone_8cp3f9.pdfIn PDF document text
    • http://gazzsheff.xyz/video_making_app_for_pc_freezt48s.pdfIn PDF document text
    • https://cdn.sqhk.co/rifokinimito/hzhgyij/59897336096.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4392651/normal_5fcf65eb8e4c0.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4386606/normal_5fc697d4d05b2.pdfIn PDF document text
    • https://cdn.sqhk.co/wifavizen/gpgctib/the_videokid_80s_edition_achievements.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4473035/normal_5ff64db7a1fbb.pdfIn PDF document text
    • http://fimosabu.iblogger.org/uk_address_format_line_1_and_2.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4391909/normal_5fc73f557f122.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4466657/normal_5fcc384a06ce2.pdfIn PDF document text
    • https://cdn.sqhk.co/zowonefaso/khecijw/dolam.pdfIn PDF document text
    • http://copriyghtconfirmed.com/71799848749j0faw.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fuvituze.epizy.com/human_development_report_2018_philippines.pdfIn PDF document text
    • http://parusorudejes.epizy.com/26348243198.pdfIn PDF document text
    • http://nufitexevav.rf.gd/reading_comprehension_strategies_worksheets_middle_school.pdfIn PDF document text
    • http://xujalupa.epizy.com/ericsson_5g_consumer_report.pdfIn PDF document text
    • http://savikolapuxol.rf.gd/tumopeveguzikarotodararof.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_off0000db26.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDB26 5136 bytes
SHA-256: 015d21dae93947729223a74dbc785899c4d062c7395267b3d8f3eaee1b5851a2
font_01_sfnt_off0000eca7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xECA7 10388 bytes
SHA-256: 977a4b30f0a64fea052e47485ed6a8efbb3c9a8f825173b3757d609aff43f5d7

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