Malicious PDF — malware analysis report

Static analysis result for SHA-256 82fc8f1178ea63fe…

MALICIOUS

PDF

73.4 KB Created: 2021-02-26 23:10:06 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: c08924f36a1a12bee0ab895ccc4c2858 SHA-1: da6782f531813b1320b4b3d9b164df55888d8e63 SHA-256: 82fc8f1178ea63fee2234ce8f3b044e617d7abcdad249ee42b482104fc138586
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://lozipotod.ru/wix?keyword=peak+wireless+backup+camera+installation PDF link annotation
    • http://tijudozi.scienceontheweb.net/videos_de_verbos_irregulares_en_ingles_para_nios.pdfIn PDF document text
    • http://wotidoteked.mywebcommunity.org/acca_sbr_march_2021_exam_dates.pdfIn PDF document text
    • https://ravixibede.weebly.com/uploads/1/3/4/5/134584659/fokip-kefabokexu-wimilijezabuba.pdfIn PDF document text
    • https://xomugewobi.weebly.com/uploads/1/3/0/8/130814749/8e98da3663604.pdfIn PDF document text
    • https://cdn.sqhk.co/tasaxasup/jaAACVq/17608229546.pdfIn PDF document text
    • http://dobomasinuraz.iblogger.org/82140331048.pdfIn PDF document text
    • https://fejaxipanegis.weebly.com/uploads/1/3/2/7/132712099/xomuwodanon_mudevikade_jegod_xasomogawesebi.pdfIn PDF document text
    • http://lamaded.mywebcommunity.org/ziwizojegapijam.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/lulelepese/affinity_chromatography_notes.pdfIn PDF document text
    • http://pejigevug.rf.gd/bodmas_worksheets_maths_aid.pdfIn PDF document text
    • http://warufadul.rf.gd/fefemipezijujukalosuxat.pdfIn PDF document text
    • https://s3.amazonaws.com/retobifulipo/acrobat_reader_pro_9.pdfIn PDF document text
    • https://s3.amazonaws.com/nonabafat/29135711535.pdfIn PDF document text
    • https://s3.amazonaws.com/jarawaxanivu/20408871819.pdfIn PDF document text
    • https://s3.amazonaws.com/vuraradaso/all_songs_zip_file.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_off0000e203.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE203 5376 bytes
SHA-256: 382a3bf1fb5b9a73781243914f5f750c2ac190a0f24ca1057aaa90f9cd10f44c
font_01_sfnt_off0000f449.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF449 10692 bytes
SHA-256: 0309943a8004a5be32e1cfcdc99408701ec384e858d775dc4ad2052acd35e788