Malicious PDF — malware analysis report

Static analysis result for SHA-256 7f32a9c5b5c48df8…

MALICIOUS

PDF

72.8 KB Created: 2021-03-05 22:54:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: 9e880a972203447d19acf2773095dc25 SHA-1: f3794a5a0a126bfba98baa540c26f2103e588b66 SHA-256: 7f32a9c5b5c48df8c36dd24c6f5cdca835d8dcacf1c7bfdd22b4ccccc7160907
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://mezovuduw.ru/wix?keyword=vegas+crime+city+hack+mod+apk+download PDF link annotation
    • https://cdn.sqhk.co/jimumakevaji/UgjgibG/15003871270.pdfIn PDF document text
    • https://cdn.sqhk.co/loganidob/ODKijfv/marketplace_appeals_phone_number.pdfIn PDF document text
    • http://verification-help.com/samsung_scs-2u01_user_guide6brj6.pdfIn PDF document text
    • https://cdn.sqhk.co/rufebumu/wljiig1/644194080.pdfIn PDF document text
    • http://uscovidcharts.com/the_stranger_albert_camus_summaryoltbq.pdfIn PDF document text
    • https://cdn.sqhk.co/kawurefeki/nzgeibc/16535946951.pdfIn PDF document text
    • https://cdn.sqhk.co/poladejug/dqkRgeQ/transmission_fluid_change_coupon_valvoline.pdfIn PDF document text
    • http://mihetos.xyz/do_guys_test_you_by_ignoringkxu7z.pdfIn PDF document text
    • http://mebel-albero.ru/vaguzikosegapinpnm2t.pdfIn PDF document text
    • http://fruittea.space/unicorn_free_icon_packehxin.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4490371/normal_5fc7e73f1d194.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4420451/normal_5ffd27ef6512d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4381536/normal_5fda1a82a70fc.pdfIn PDF document text
    • https://cdn.sqhk.co/vozeseseber/hixiaji/5609238291.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/ragejufa/quadratic_equation_questions_and_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/tifuwuw/bole_chudiyan_hd_video_song_free.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/64773234-2dde-46e2-95c1-ae73ce040802/zusinumodebuw.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b8ad28b5-df50-433d-8d08-33bfde9cf948/signal_and_system_second_edition_solution.pdfIn PDF document text
    • https://s3.amazonaws.com/xutomoxu/52453533264.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/12a269c0-05c6-4c73-ab8a-ced5d4a7b0a4/nabupulufajibesewi.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_off0000df40.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF40 5708 bytes
SHA-256: a429619af331069a9da1035c1ff87e4f6610a2d46af9a13048845ec580797f43
font_01_sfnt_off0000f29f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF29F 10420 bytes
SHA-256: 9e3e07a8f16fb3c6dfc1dfebdff4faf72c9eb1ccf872d989c080beef6f675637

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