Malicious PDF — malware analysis report

Static analysis result for SHA-256 af25cdcd091774ae…

MALICIOUS

PDF

74.5 KB Created: 2021-01-18 03:10:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-21
MD5: 093bcf5eff53b3f77dc6a179162ed97a SHA-1: f80c8af59348b0e0692565b317a8cd639908b74e SHA-256: af25cdcd091774ae8c5030546eb87e8ebc2223d396dcba8d834859794ce7b5a4
254 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://cctraff.ru/wb?keyword=free%20television%20app%20for%20android%20phones In PDF document text
    • https://cdn-cms.f-static.net/uploads/4466135/normal_5fbf1d2274447.pdfIn PDF document text
    • https://laratenin.weebly.com/uploads/1/3/2/8/132816160/xexesenot.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4410204/normal_6002ca45f0023.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4482619/normal_5ff1ccffef76c.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4460680/normal_5fe0cdbb6f06f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366662/normal_5f8947c655001.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4475572/normal_5fcce06611a24.pdfIn PDF document text
    • https://povemiloten.weebly.com/uploads/1/3/4/6/134608376/dajabisi.pdfIn PDF document text
    • https://susafoxepi.weebly.com/uploads/1/3/0/7/130775374/sajonutoduwexobujezo.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4373505/normal_5f8904ed37437.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383446/normal_5f978aa834c89.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4378171/normal_5fc0cf2892770.pdfIn PDF document text
    • https://furureseseruwa.weebly.com/uploads/1/3/4/4/134481841/c9cd60f7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4409096/normal_5fc1c681b7645.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000e81c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE81C 5144 bytes
SHA-256: 6e6a22c908ed4b0ea8930f042aa9e8752345f2e09e03ede4d7888153b4f0ddf2
font_01_sfnt_off0000f99e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF99E 10308 bytes
SHA-256: 0d46ca46a793389ba94b804bea51d0023c3709dc34cff640bdee0dce90bd142d

Open this report in the interactive analyzer, or submit your own file for analysis.