Malicious PDF — malware analysis report

Static analysis result for SHA-256 05fd7bbec5157697…

MALICIOUS

PDF

271.2 KB Created: 2023-03-23 23:43:29 +02:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 5.15.4) First seen: 2026-05-16
MD5: bb99bb63e91e5a9e7c7d492dffd9c3b2 SHA-1: 023a7c023aaeb9723101b3672256b9183512fd6f SHA-256: 05fd7bbec51576977fa105b77ba16beefe0d5430a3bb97a9c26dc46305b0cec2
106 Risk Score

Machine Learning

  • Nyx PDF Classifier clean score 0.0457

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
  • 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://mawazubotudasox.fecuq.co.za/wb3?utm_term=perumusan%20teks%20proklamasi%20pdf PDF link annotation
    • http://www.bitstream.comIn extracted file (font_00_sfnt_off0003ddaa.bin)
    • 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://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off00041e9e.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off00041e9e.bin)

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0003ddaa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3DDAA 15252 bytes
SHA-256: ae1822f5697b9fdceede17714c75f9501e9b8ef48e15965c5463a0eb9e039637
font_01_sfnt_off00040691.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x40691 9940 bytes
SHA-256: 6fea77498b6a42707e33d631506583a02feeafb274b2badeae2adace6212ac05
font_02_sfnt_off00041e9e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x41E9E 8940 bytes
SHA-256: 897a1d9f6f4b474150d2504b8fa79d1507a5ac285a7fb2bf61803f06dc51c46c

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