Malicious PDF — malware analysis report

Static analysis result for SHA-256 62fdd4c0dbd95d84…

MALICIOUS

PDF

66.0 KB Created: 2021-03-03 08:02:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 12b3ac416654fd5015f775837b7ae890 SHA-1: 19a5404c31289e2fc6e0e88856583833990b246b SHA-256: 62fdd4c0dbd95d84d317b9a10a70958492d401e2db79024710fbff3f22c7da30
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://golowaki.ru/award?keyword=bob+stroller+rambler+accessories PDF link annotation
    • http://reduslimitaly.website/lalisulogafuzefabegilubxwco0.pdfIn PDF document text
    • https://cdn.sqhk.co/pozazoji/jehdaCw/45073449538.pdfIn PDF document text
    • http://xuwuvewisin.mypressonline.com/gadim.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4416513/normal_5fecbedf9fe29.pdfIn PDF document text
    • http://levantemosaic.com/844700512940opna.pdfIn PDF document text
    • http://kieverts.xyz/battery_status_bar_apkcng0y.pdfIn PDF document text
    • http://twenty-promo2020.ru/phonological_processes_norms_charthcrls.pdfIn PDF document text
    • http://dream-stat.ru/97825797935zb4rp.pdfIn PDF document text
    • http://itwow.info/dan_brown_book_2021o2wtn.pdfIn PDF document text
    • http://form-lnstagramcopyrightservices.com/assam_tribune_news_paper41wou.pdfIn PDF document text
    • http://vuvuga.xyz/fiwovu440pe.pdfIn PDF document text
    • http://contentmedialiteracy.com/doburegofakebaxonawoggq96.pdfIn PDF document text
    • https://cdn.sqhk.co/bukoxomule/giiNhdN/robulirazadulogepo.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://kipejefanowisu.atwebpages.com/xibawipivulilonipekapa.pdfIn PDF document text
    • https://s3.amazonaws.com/niwotipugonuvoz/58997645980.pdfIn PDF document text
    • https://s3.amazonaws.com/xafaxotaful/basic_guitar_chords_for_beginners_songs.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_off0000c5b9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC5B9 5132 bytes
SHA-256: 1a4db2884cb628957885ddf416d7afc931c4c3b5aa1d7c2c3724563e1856550e
font_01_sfnt_off0000d717.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD717 10564 bytes
SHA-256: 52756428455ba2bcace5e9a3b5f4fecf62dcd6458390a832918255ee67739d69