Malicious PDF — malware analysis report

Static analysis result for SHA-256 0db5e448582e2cb4…

MALICIOUS

PDF

68.1 KB Created: 2021-03-06 01:56:45 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 5ef7342b9439132b8bfcd73171456422 SHA-1: 6aebf79eb07450aded1ea8ee4d1ad7331733af75 SHA-256: 0db5e448582e2cb45eb9609d8fd55b6ca227ae15470815cb423eec83bdf67936
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://nipisod.ru/award?keyword=when+was+basketball+invented PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4403808/normal_601e1b81b7091.pdfIn PDF document text
    • https://cdn.sqhk.co/bajipugotox/ijjjDhe/wobobukalag.pdfIn PDF document text
    • https://cdn.sqhk.co/firokizita/cbvhigj/degegogiruzuxurava.pdfIn PDF document text
    • http://natur-bio.space/the_postman_always_rings_twice_1946_full_movie_free_onlinepj5s5.pdfIn PDF document text
    • http://ita-talia.fun/naturally_slim_book_answersdme0n.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4403543/normal_603b0aecd9925.pdfIn PDF document text
    • https://cdn.sqhk.co/zizaratijiga/BhgX9ij/frag_pro_shooter_tier_list_1._6._5.pdfIn PDF document text
    • http://bilet-pdd.site/forensic_dmarc_failure_reportstvi4b.pdfIn PDF document text
    • http://fevinoreniwelik.sportsontheweb.net/toguwazamisejivul.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4385852/normal_5fe661f00d405.pdfIn PDF document text
    • http://zokiwedilar.mypressonline.com/oracle_pl_sql_string_concatenation_performance.pdfIn PDF document text
    • https://cdn.sqhk.co/fegukajebaj/NhgBOhf/15104779084.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4480728/normal_6042c16410a38.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://ximuxulizi.myartsonline.com/how_to_progress_engineering_career.pdfIn PDF document text
    • http://widuxetikos.epizy.com/messenger_apk_free_2019.pdfIn PDF document text
    • http://ziboporo.epizy.com/7354336230.pdfIn PDF document text
    • http://musovinudebepak.epizy.com/tiwemexokedux.pdfIn PDF document text
    • http://resawopo.epizy.com/68752798366.pdfIn PDF document text
    • http://jizuvopanusin.rf.gd/pioneer_avh-4000nex_wiring_diagram.pdfIn PDF document text
    • http://pekamidakoj.atwebpages.com/58022495832.pdfIn PDF document text
    • http://kiwivesunita.epizy.com/mivomeguxijenorinowo.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_off0000cf6b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCF6B 5184 bytes
SHA-256: 6bd32c5bf6c4e52af35894aeef156d2e4bb9190ab357f2a684a88e293688755a
font_01_sfnt_off0000e127.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE127 10032 bytes
SHA-256: 66eb85fb2cf6c0a73d2775e37de463ac19fc6a12eeb149a093b4f6d7fa4d4ea6

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