Malicious PDF — malware analysis report

Static analysis result for SHA-256 25a32f0e06bbaa4b…

MALICIOUS

PDF

77.6 KB Created: 2021-02-13 00:40:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: da4bdc0eb19423a8f9f512126bc494b6 SHA-1: eeadd386e2127e88667f5fe7e7d8b0f128920697 SHA-256: 25a32f0e06bbaa4bb520d70634fcc72c6c9cdb92685bd87088a8ce034c17dc08
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://seumenha.ru/wix?keyword=padres+de+la+patria+dominicanos PDF link annotation
    • http://pimazisiperej.iblogger.org/manuscript_calligraphy_manual.pdfIn PDF document text
    • https://cdn.sqhk.co/zuxedanafowa/geiehje/3d_exterior_home_design_software_free_online.pdfIn PDF document text
    • http://weraka.online/antropoloji_anadolu_niversitesieqezf.pdfIn PDF document text
    • https://cdn.sqhk.co/mugejufunij/hggeVhe/dumome.pdfIn PDF document text
    • https://cdn.sqhk.co/zimuteraf/7ibcibM/78026625703.pdfIn PDF document text
    • http://moitender.org/roiworld_dress_up_games_celebritycjjp7.pdfIn PDF document text
    • http://spencermcman.us/nafokularanarefexam6r982.pdfIn PDF document text
    • https://cdn.sqhk.co/gokovolasula/dWicf2V/good_business_games_on_steam.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4476421/normal_5fe5d52d6a887.pdfIn PDF document text
    • http://barurizex.iblogger.org/bailando_english_song_video.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4450257/normal_6003658970c76.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://torogita.rf.gd/windows_7_iso_direct.pdfIn PDF document text
    • https://s3.amazonaws.com/jedaxopopuko/michelin_green_guide_alsace_lorraine_champagne.pdfIn PDF document text
    • http://jovadoku.epizy.com/steelseries_arctis_pro_gamedac_manual.pdfIn PDF document text
    • http://wusugan.rf.gd/10845901834.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_off0000f20c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF20C 5220 bytes
SHA-256: 4d5d9bc2ef6382e5266490b94ae13e3a0887b6567e34ac21940f59a3464f9dc6
font_01_sfnt_off000103b8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x103B8 11188 bytes
SHA-256: c4ae0f07b63f0ac236f89d66da167eb07b2a04268466c9c345a6f08555c22590