Malicious PDF — malware analysis report

Static analysis result for SHA-256 55047c0b1a7ec5dd…

MALICIOUS

PDF

68.2 KB Created: 2020-11-10 11:08:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-04-04
MD5: 4fa39ecf653898b6aec632eaa1bca3d5 SHA-1: dd93fc66fe39013df5ea62c8e99048ef2e4dca55 SHA-256: 55047c0b1a7ec5dd27e7319e3e062c51dfad6dd140b26802ace538e4af962638
254 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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.
  • 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://s3.amazonaws.com/pewebopufupe/xivenevonunijerag.pdf In PDF document text
    • https://bonunobomatujo.weebly.com/uploads/1/3/4/3/134318799/gudenoxujemolew.pdfIn PDF document text
    • https://biwomewiwuxe.weebly.com/uploads/1/3/4/1/134131409/6d0d4be19.pdfIn PDF document text
    • https://s3.amazonaws.com/jiguwuzobozobaz/my_favourite_hobby_essay_in_marathi_wikipedia.pdfIn PDF document text
    • https://lugagixoweliw.weebly.com/uploads/1/3/4/2/134234548/xefokuwudebe.pdfIn PDF document text
    • https://fitakizegeva.weebly.com/uploads/1/3/3/9/133999514/ee5a711fafb2a.pdfIn PDF document text
    • https://trafffi.ru/wb?keyword=seal%20team%20season%202%20episode%2011%20castIn PDF document text
    • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000cdd9.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000cdd9.bin)
    • https://uploads.strikinglycdn.com/files/2bf5880f-2f6b-4c21-a098-1b80402ddbf1/kagutedufivikarojola.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/feb44aae-1a10-4da7-b228-693bec2e2e6e/ate_ve_su_2_kitap.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2331a1e8-ca01-4562-9176-3cb68a4f05bd/older_download_mp3.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9609397f-1b79-4f28-83fb-443fa6adb77f/subururoxolenuba.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b17daa13-8093-4c5e-890e-a1b3bf7e88bd/30807018211.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/24ef389e-6bb2-4d19-9214-50129efebe98/78414407628.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 extracted file (font_00_sfnt_off0000cdd9.bin)

Related samples 3

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000cdd9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCDD9 5408 bytes
SHA-256: fc9f2516dde6fb9ef5efcc2ad4c0e1ccb87a383dcb4016e8c6dbdc3761de74af
font_01_sfnt_off0000e039.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE039 10556 bytes
SHA-256: 69e942ad7871932e96b51340af0692d390685304f95c610eb3ab77287592aed5

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