Malicious PDF — malware analysis report

Static analysis result for SHA-256 d60659b3a89ca8dc…

MALICIOUS

PDF

67.3 KB Created: 2021-03-07 07:48:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 040d9f8c332f5e98ae9dab308f472081 SHA-1: be7753e023a6c88077c91044a54586c880f6a6e2 SHA-256: d60659b3a89ca8dca1ecffc850858a6f38d5291c9186fd80753b1958b1974d8a
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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://baarspo.ru/wix?keyword=reproduction+worksheet+ks3 PDF link annotation
    • https://cdn.sqhk.co/zimopaji/heM8hdX/ice_cream_truck_jingle_mp3.pdfIn PDF document text
    • http://xibevajisigidig.22web.org/89874321910.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4495837/normal_60354dd9aa817.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4486963/normal_60354e09278d0.pdfIn PDF document text
    • http://werikipirojenob.scienceontheweb.net/46155423442.pdfIn PDF document text
    • https://cdn.sqhk.co/givogaduta/OjckFjj/capstar_flea_treatment_near_me.pdfIn PDF document text
    • http://edevletorg.com/holes_anatomy_and_physiologykvzav.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366325/normal_601518be2fb7f.pdfIn PDF document text
    • https://cdn.sqhk.co/seseniluvus/j3BEie4/zubuj.pdfIn PDF document text
    • http://nopuvobetag.mygamesonline.org/what_are_the_steps_in_production_process.pdfIn PDF document text
    • http://natlegend.space/52395796442aw35g.pdfIn PDF document text
    • https://cdn.sqhk.co/wobuwozavenu/jQB8iiM/mobile_ringtones_iphone_6.pdfIn PDF document text
    • http://zixudivibudizu.scienceontheweb.net/what_is_the_best_type_of_hot_tub_to_buy.pdfIn PDF document text
    • http://topsalon.xyz/how_to_enable_fuzzy_lookup_add-in_for_excel05mtd.pdfIn PDF document text
    • http://menformula.xyz/car_parking_mod_apk_revdlkk2ec.pdfIn PDF document text
    • http://nutosuvitiraj.scienceontheweb.net/phrasal_verbs_with_get_exercises.pdfIn PDF document text
    • https://cdn.sqhk.co/xuluriwu/sRiahhc/66306174848.pdfIn PDF document text
    • https://cdn.sqhk.co/mikedeto/2HAhgjd/live_stream_nba_basketball_game.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4502819/normal_6038d41c4fc2c.pdfIn PDF document text
    • http://recepty-dd.info/adventure_of_tintin_game_for_androidq2hqo.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://zitasixan.atwebpages.com/ridgid_miter_saw_stand_review.pdfIn PDF document text
    • http://gogejovuxog.epizy.com/jumolovuv.pdfIn PDF document text
    • http://sokevigaku.rf.gd/75379508092.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_off0000cb6f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCB6F 5244 bytes
SHA-256: 9a57cf5f958cd420e8e60d45cf734bf202da6e5cd57f93427afc9b5182fe9408
font_01_sfnt_off0000dd5b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDD5B 9636 bytes
SHA-256: 7cb3e5a0aee4ffef6cb0e6bde4b5e283e249f316f109ae0f8135be86c745508f

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