Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e2ac1fe29a7c930…

MALICIOUS

PDF

75.4 KB Created: 2021-02-08 09:43:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: 477f4d47591b59f7f2db6f8aec17fd7a SHA-1: 3aa5f216e291521d64ed0a6c55c75e1820eaad46 SHA-256: 9e2ac1fe29a7c930ce0ae507c57444054511395cfd4832aa9c8e5c37c095c151
144 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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/aws?utm_term=canon+eos+rebel+t6i+owners+manual PDF link annotation
    • https://cdn.sqhk.co/zerurukoraju/8CxGvjG/19689098248.pdfIn PDF document text
    • http://lefefegibilapo.22web.org/48121274126.pdfIn PDF document text
    • http://reduslim-italia.website/xebedijekekobumakly7nw.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4488102/normal_5fcc4cd6385d1.pdfIn PDF document text
    • http://premial.su/97398983143tyb1.pdfIn PDF document text
    • https://cdn.sqhk.co/tepikipo/c9pukhg/staph_infection_kidneys_symptoms.pdfIn PDF document text
    • https://cdn.sqhk.co/gupuwiwi/4QfUcy0/94588312632.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4490141/normal_5fc8dea5a874e.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4367640/normal_5ff5c1593180a.pdfIn PDF document text
    • http://pubggaming.online/need_for_speed_rivals_ps4_multiplayeropxxj.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4501965/normal_5fe3e70f58661.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4481166/normal_600a65f62a931.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://wowulikuvej.rf.gd/mcgraw_hill_education_algebra_1_answers.pdfIn PDF document text
    • http://gumusijejokezit.epizy.com/new_browsers_for_pc.pdfIn PDF document text
    • http://sefatefa.epizy.com/49158999097.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_off0000e65c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE65C 5120 bytes
SHA-256: 6b810405489c3e7c48a4ac36cd2bda8a6ad683d8d547629515d9854220129247
font_01_sfnt_off0000f7bf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF7BF 13012 bytes
SHA-256: 8d0e9279a90cb7e9892c723e0a94b64b1693773484f080577c7f576cd646655f