Malicious PDF — malware analysis report

Static analysis result for SHA-256 6ced36b92e3c256e…

MALICIOUS

PDF

61.2 KB Created: 2021-01-29 16:37:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: 8e754bc50eb193c05daaa88291003b39 SHA-1: 1f22be83f33b7ebbc97254fe85fbe9079fddce72 SHA-256: 6ced36b92e3c256ea6bcc93a933141a558f615a164f0a6ba00d714da604cb367
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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
  • 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.
  • 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://bologen.ru/aws?utm_term=prudential+plc+annual+report PDF link annotation
    • http://momentikshop.space/nejetugixopegureravz2yf.pdfIn PDF document text
    • http://procripton.com/gadinasozowupalupgejtn.pdfIn PDF document text
    • http://hookup754.fun/learn_to_sing_in_tune_online_free0m0cu.pdfIn PDF document text
    • http://dommasters.site/4110431934601nt2.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4482206/normal_5fdf8812f0719.pdfIn PDF document text
    • https://cdn.sqhk.co/jutusaxibu/4fEIikY/26087462891.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4404285/normal_5ff416761722e.pdfIn PDF document text
    • https://cdn.sqhk.co/biziduwime/ehjwjgy/bobotadojemuzivejiwu.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4406191/normal_5fe0c4cc7f6fb.pdfIn PDF document text
    • http://rezltml.xyz/18648440077p8z4p.pdfIn PDF document text
    • http://xtreme-sport.ru/gupinire9137h.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4444369/normal_5fcd43a88666b.pdfIn PDF document text
    • https://cdn.sqhk.co/nuxoporerom/idzgcvk/striker_fired_pistols_with_thumb_safety.pdfIn PDF document text
    • http://theboldpantsproject.com/9668498697lyi6r.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://talifox.rf.gd/kuvezanorotuledop.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_off0000b4be.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB4BE 4892 bytes
SHA-256: e84cc094f2c572ae67db5e6c085bf056043edf92fb9f6f5f3d91bc203dd4ddb1
font_01_sfnt_off0000c56c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC56C 10188 bytes
SHA-256: df6b041dbf057f11825e86cc5e58e5bb6c8fd367e2341670303529f00e2fb389