Malicious PDF — malware analysis report

Static analysis result for SHA-256 63b0c05f1987bead…

MALICIOUS

PDF

68.7 KB Created: 2021-02-06 21:11:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: 6b0d2982fb5c2f8944a230b8804f969b SHA-1: 89fb3284bf261af560b8fe6a304e5efafca6e5ae SHA-256: 63b0c05f1987bead8cf530440314bd8edf8fbc344db745ecb0db054afadfb8e9
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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/wb?keyword=2011%20chevy%20malibu%20user%20manual PDF link annotation
    • https://cdn.sqhk.co/kamavedes/uhhgjJ0/55535327886.pdfIn PDF document text
    • http://mastera-saydinga.ru/mr_majnu_bengali_subtitlestyrna.pdfIn PDF document text
    • https://pelimabogex.weebly.com/uploads/1/3/4/6/134685965/kelizeguratoxir.pdfIn PDF document text
    • http://proflist-barnaul.ru/758352226497mwex.pdfIn PDF document text
    • https://figagukedeliv.weebly.com/uploads/1/3/4/0/134040575/balud.pdfIn PDF document text
    • https://cdn.sqhk.co/tiwumixe/U5ihjc4/dancing_with_the_stars_2020_judges_america.pdfIn PDF document text
    • https://cdn.sqhk.co/ditetijesi/Tp6xhhS/raft_island_roses_gig_harbor.pdfIn PDF document text
    • https://cdn.sqhk.co/wixefawoz/eG2jejb/besedaginidipam.pdfIn PDF document text
    • https://cdn.sqhk.co/lomasamube/gicouyq/aio_launcher_apk.pdfIn PDF document text
    • http://makamar.tech/nogusim4bfzl.pdfIn PDF document text
    • http://freefire-gifts.com/lifurajizuvimodisawakovug53nr.pdfIn PDF document text
    • https://serarabasujuz.weebly.com/uploads/1/3/1/6/131606617/jomawawopa-xipikugaboti-govusonifilex-falufavij.pdfIn PDF document text
    • https://sixalusizefew.weebly.com/uploads/1/3/1/3/131378898/8004477.pdfIn PDF document text
    • https://fepobiwebefu.weebly.com/uploads/1/3/4/5/134592484/9704264.pdfIn PDF document text
    • http://natfreshik.fun/counting_philippine_money_worksheetsogb8l.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000d025.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD025 5572 bytes
SHA-256: cd8974338f94953c1c9ffe6b4198e538c7170ca414ee0ed6da8fc815ada50ce6
font_01_sfnt_off0000e2f7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE2F7 10372 bytes
SHA-256: 8262dbbca0b4713b4d5cfe1c9a3d0edbe89061e4c2992874468573dac7250cad