Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2fbc69c814dfbd4…

MALICIOUS

PDF

74.5 KB Created: 2021-01-19 13:44:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: 7efd686cdc46e203469c4d40b4a976cd SHA-1: 36dabc1926d5ebfbb44b5a42fc13d70161ba9cfd SHA-256: e2fbc69c814dfbd421577286a12e05366dd5248c7dd145bb5c369b1b0a941c61
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://jacksth.ru/wb?keyword=remote%20control%20drone%20helicopter%20for%20sale PDF link annotation
    • https://cdn.sqhk.co/nitunoda/WHkqbie/wastickerapps_store_personalized_sticker_makers.pdfIn PDF document text
    • http://xiwasaruv.66ghz.com/1338061395.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4373520/normal_5f89b3eabd8c5.pdfIn PDF document text
    • http://bitipusefotas.66ghz.com/53829834513.pdfIn PDF document text
    • https://site-1175549.mozfiles.com/files/1175549/blackbird_fly_camera.pdfIn PDF document text
    • https://cdn.sqhk.co/jaselavujuwi/whjYV55/find_my_samsung_s20_ultra.pdfIn PDF document text
    • https://site-1175198.mozfiles.com/files/1175198/punelaxa.pdfIn PDF document text
    • https://cdn.sqhk.co/wodabumamuv/iczgjx3/flappy_bird_flying_flappy_bird_unblocked.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4466673/normal_5fc60fcfd5522.pdfIn PDF document text
    • https://cdn.sqhk.co/sojowidaz/Jgjhiib/mine_survival_apk_award.pdfIn PDF document text
    • https://site-1250011.mozfiles.com/files/1250011/73607586625.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://bulujulu.rf.gd/gibovigiwenamedokululuga.pdfIn PDF document text
    • http://jukikusikodopom.epizy.com/responsive_website_templates_for_business_free.pdfIn PDF document text
    • http://rubaporejolo.rf.gd/assignment_of_benefits_medicare_form.pdfIn PDF document text
    • http://nabiderafiwo.epizy.com/windows_7_bluetooth_driver_software_free.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_off0000e702.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE702 5404 bytes
SHA-256: cbe711b6c0e8fb9f08454f7393ce15b184b5074c5d655e867c788ce63db8c8b4
font_01_sfnt_off0000f938.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF938 10496 bytes
SHA-256: bbb57198dbf7fa636db859a67f800c4612a3f9e59de9f477970c4fa38117134d