Malicious PDF — malware analysis report

Static analysis result for SHA-256 45e6c309f1bbc948…

MALICIOUS

PDF

71.2 KB Created: 2021-02-18 22:43:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: c76f496bb0b892a6d105974c4cc93c58 SHA-1: 0812439b9c14479fd95601d8b3d904e44ee8ef6d SHA-256: 45e6c309f1bbc948acc6741dde77a103b2bde614fba7f020eab2d325069eb7a4
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://jottigo.ru/wb?keyword=stress%20management%20lesson%20plans%20high%20school PDF link annotation
    • https://lagomide.weebly.com/uploads/1/3/5/3/135304015/6455894.pdfIn PDF document text
    • http://worldthailand.fun/95369304940ry7kr.pdfIn PDF document text
    • http://umkatrade.ru/picture_perfect_crossword_chapter_18_puzzle_261hsg45.pdfIn PDF document text
    • http://nigma24invest.online/como_plantar_abacaxi6zo37.pdfIn PDF document text
    • https://mafewesoxadix.weebly.com/uploads/1/3/4/6/134697647/tofelejakofitevo.pdfIn PDF document text
    • https://kovekigesig.weebly.com/uploads/1/3/1/1/131164481/lifasamebutapag.pdfIn PDF document text
    • https://fogofude.weebly.com/uploads/1/3/4/3/134322730/f71594c91f5.pdfIn PDF document text
    • http://wifefavowe.iblogger.org/79259643322.pdfIn PDF document text
    • https://rifivubego.weebly.com/uploads/1/3/1/4/131407021/a755642c9ad4.pdfIn PDF document text
    • http://naturmilans.fun/herbert_and_katherine_jacobs_first_housemztpj.pdfIn PDF document text
    • http://websporizle3.com/702216756420hzln.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://guruwemuzotal.epizy.com/83462135942.pdfIn PDF document text
    • https://s3.amazonaws.com/vukumesoj/clasificacion_de_las_cuentas_del_activo_circulante.pdfIn PDF document text
    • http://xiwilamudebi.rf.gd/desierto_full_movie_tamil_dubbed.pdfIn PDF document text
    • https://s3.amazonaws.com/wozoxub/lezologimuvubipasuza.pdfIn PDF document text
    • http://bagurofodi.epizy.com/jogapex.pdfIn PDF document text
    • https://s3.amazonaws.com/jeponowon/fuzifosunuv.pdfIn PDF document text
    • http://wosolebaxuwutux.rf.gd/nojojitat.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_off0000da1d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA1D 5448 bytes
SHA-256: 0b567f25b006d299de73d2a2e7cfe371b507ad1a19f28efa94151800a4d4e852
font_01_sfnt_off0000ec76.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC76 10272 bytes
SHA-256: 0a650f726eed0e730a3533c22cfc801786c35cc8f1410e210daa909b36a8291c