Malicious PDF — malware analysis report

Static analysis result for SHA-256 6f24ea00543715cd…

MALICIOUS

PDF

74.2 KB Created: 2021-01-24 13:14:45 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 17602e288cb061fba0e79e0bee89ff6b SHA-1: 178b3c2c154dbd57d8fe9e9f736e01466d289704 SHA-256: 6f24ea00543715cda82215ff176f099d42b94a109d6d23853300ae31d2c4039f
192 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://gettraff.ru/wb?keyword=minecraft%20pixelmon%20map%20mod In PDF document text
    • https://cdn.sqhk.co/parabeset/QggDJjj/poweramp_app_equalizer.pdfIn PDF document text
    • http://motivawka.online/rosinesumiwogutetel9ds2u.pdfIn PDF document text
    • http://misstourist.info/902036981569kowk.pdfIn PDF document text
    • https://cdn.sqhk.co/rijomawonuj/43xgghi/62419156608.pdfIn PDF document text
    • http://kamini33.ru/grade_7_science_lab_safety_quiziitq7.pdfIn PDF document text
    • https://cdn.sqhk.co/tobepeliv/jMwcBiZ/83769492595.pdfIn PDF document text
    • http://lestyprin.online/bozunujijozagetewejobt3idk.pdfIn PDF document text
    • https://cdn.sqhk.co/wepurodapike/1gUhfSi/34033861753.pdfIn PDF document text
    • http://olimpcargo.ru/dutajazomejaguwovupatitadwpz2o.pdfIn PDF document text
    • http://stnold.com/telecharger_moto_rider_death_racer3zh2z.pdfIn PDF document text
    • http://onenature.space/xatifizazasolisngbwv.pdfIn PDF document text
    • http://maximizator.space/66836157510gvbcw.pdfIn PDF document text
    • http://tamakar.xyz/16561483403shor5.pdfIn PDF document text
    • http://idealicaitalia-ufficiale.site/6840017957belax.pdfIn PDF document text
    • http://raffle.website/356938619650rmzh.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/kavifunaruvi/16325128411.pdfIn PDF document text
    • https://s3.amazonaws.com/xifabilejilab/64189586700.pdfIn PDF document text
    • https://s3.amazonaws.com/waxapoz/payment_system.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_off0000e490.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE490 5196 bytes
SHA-256: 12d50e2e22556de11b5894b3ac5eddc2304eca2eb05c55c00ff2cccc19dc3165
font_01_sfnt_off0000f63e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF63E 11152 bytes
SHA-256: b2f2bc1521939bd256df8872aed1aa716ac0bf6e7bb2f96b834feabdc6bda5d1