Malicious PDF — malware analysis report

Static analysis result for SHA-256 fc3a66ed6d1c2b1e…

MALICIOUS

PDF

73.2 KB Created: 2021-02-25 08:33:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: 3a1c3849ccfd40417fac70e73a3b18f2 SHA-1: af0ef99651632fb65d21893f8db61889661cb340 SHA-256: fc3a66ed6d1c2b1efa4bffa73c33fffd3a97a06f55764ae26e88eed6140c2217
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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/award?keyword=jesus+at+the+center+chords+key+of+f PDF link annotation
    • https://cdn.sqhk.co/kafekogi/5BiiWge/vururijikivibowixivizi.pdfIn PDF document text
    • https://cdn.sqhk.co/pozigafo/esff0xJ/61765977461.pdfIn PDF document text
    • http://getakabawi.22web.org/begigigidedo.pdfIn PDF document text
    • https://cdn.sqhk.co/zolilobup/ogchbgf/podigoxab.pdfIn PDF document text
    • http://fefiwizam.sportsontheweb.net/hp_officejet_7510_remove_printhead.pdfIn PDF document text
    • http://laregazobo.22web.org/php_formatting_atom.pdfIn PDF document text
    • https://cdn.sqhk.co/binisomomup/gFjfjhE/75000713383.pdfIn PDF document text
    • http://pujugekan.iblogger.org/1465354932.pdfIn PDF document text
    • https://cdn.sqhk.co/jivazufevi/2hjje3B/endless_war_origins_game.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4449424/normal_5ff658d8d5148.pdfIn PDF document text
    • https://cdn.sqhk.co/nogorodizet/egigj9S/love_coloring_pages_pinterest.pdfIn PDF document text
    • https://cdn.sqhk.co/definuseju/rRdggMC/96007545459.pdfIn PDF document text
    • https://cdn.sqhk.co/kixalixu/HFijigJ/tank_trouble_2_two_player_games_unblocked.pdfIn PDF document text
    • https://cdn.sqhk.co/wenejusuzixe/MhexjgH/jugemekowu.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://denuzux.epizy.com/dosijupiviloro.pdfIn PDF document text
    • http://leteketo.rf.gd/reading_comprehension_test_for_grade_3.pdfIn PDF document text
    • http://wumekupewug.rf.gd/lemoxaxi.pdfIn PDF document text
    • http://lobulowigewimu.epizy.com/congressional_committees_worksheet_key.pdfIn PDF document text
    • http://dujazenemelix.epizy.com/vapugodazamoli.pdfIn PDF document text
    • http://bukadalisurofez.epizy.com/dizeduvolifas.pdfIn PDF document text
    • http://jumepenitujox.atwebpages.com/49375635670.pdfIn PDF document text
    • http://liroporuki.myartsonline.com/star_trek_into_darkness_cast_carol_marcus.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_off0000d924.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD924 5232 bytes
SHA-256: f30796145e317ded04bb96600d4aad4d99a9ba3571edaeb2cdf42a26d28d1dd7
font_01_sfnt_off0000eaf3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEAF3 14208 bytes
SHA-256: 58eabc5126dd3ea0ebf026a6da47ebf1dadf0d68826034785855c869b841290a

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