Malicious PDF — malware analysis report

Static analysis result for SHA-256 4a67d2f89f8577be…

MALICIOUS

PDF

72.7 KB Created: 2021-02-12 17:47:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 4ac124fad8dcfda5366512838a74f566 SHA-1: aa9e79767417404e4af0c54fc7494869c3a61e1c SHA-256: 4a67d2f89f8577bef97c144f65a8d5391f0b912d2502cd6724b2e943d671faf6
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://leonvi.ru/wb?keyword=t%C3%A9l%C3%A9charger%20abbyy%20pdf%20transformer%202.%200%20crack PDF link annotation
    • https://cdn.sqhk.co/zowonefaso/uA4SYjf/minidrivers_2020_espanol.pdfIn PDF document text
    • https://cdn.sqhk.co/xuvomuvugu/eZKjhgf/xulafikikuke.pdfIn PDF document text
    • https://cdn.sqhk.co/moviferu/fgghiic/madaviduxumite.pdfIn PDF document text
    • http://remontnatali.ru/small_business_accounts_excel_template_uk0afjv.pdfIn PDF document text
    • https://cdn.sqhk.co/zudilubal/L0EYPjb/lovejoy_isd_powerschool.pdfIn PDF document text
    • https://cdn.sqhk.co/gavezexu/gdji0CB/vevitu.pdfIn PDF document text
    • https://cdn.sqhk.co/gawukale/jjnggtJ/79371636888.pdfIn PDF document text
    • http://wordwild-store.com/tabumavolenerq8y8j.pdfIn PDF document text
    • https://cdn.sqhk.co/feduvefas/ibIhfuY/66617856211.pdfIn PDF document text
    • http://mimasajikataza.iblogger.org/anzio_lite_15_manual.pdfIn PDF document text
    • https://cdn.sqhk.co/gimexigerub/mHtajjf/gowuduseforofude.pdfIn PDF document text
    • https://cdn.sqhk.co/lamiwifa/ihhjOAi/51190382965.pdfIn PDF document text
    • https://cdn.sqhk.co/raxuzuvuluf/hdjgkVU/through_the_ages_steam_review.pdfIn PDF document text
    • http://blu-ital.space/the_intelligent_investor_reviewpsri9.pdfIn PDF document text
    • https://cdn.sqhk.co/rizakumer/Z3jagh7/smiling_glasses_emoji.pdfIn PDF document text
    • http://liginuj.22web.org/airport_express_base_station_user_manual.pdfIn PDF document text
    • http://ozalupa.space/uc_browser_apk_for_windowsshkkb.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://difedomuki.epizy.com/71166102068.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_off0000d8de.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD8DE 6272 bytes
SHA-256: f8ab39efb5a7d8b0e0f98c91b28ca9a753480cd7ac0c62eb0d4779771fb0a46c
font_01_sfnt_off0000edd4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEDD4 10952 bytes
SHA-256: ec6c7ab03dcee48067084c770beeaafe3bc8ffd10b06e2319db26b387649315b