Malicious PDF — malware analysis report

Static analysis result for SHA-256 af2eeb4719eead51…

MALICIOUS

PDF

68.9 KB Created: 2020-12-27 10:16:11 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-21
MD5: f293b468ce075438f9df238cf4bd4947 SHA-1: 67f3008a42d636f8e9b4869ca498097ace5a2ebe SHA-256: af2eeb4719eead51e8740e9d08c69a2db94b7a48a971623b8569d1be41a003cb
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=air%20traffic%20controller%20programs%20in%20texas In PDF document text
    • https://cdn-cms.f-static.net/uploads/4473053/normal_5fdb300a96c57.pdfIn PDF document text
    • https://cdn.sqhk.co/vumivatuvi/UV0ot1Q/ear_infection_in_adults_home_remedy.pdfIn PDF document text
    • https://wosumugip.weebly.com/uploads/1/3/4/8/134867897/kuvaj.pdfIn PDF document text
    • https://fegixobipe.weebly.com/uploads/1/3/4/4/134467450/paperatukawegabe.pdfIn PDF document text
    • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/tugunari_fogeze_nezejavoz.pdfIn PDF document text
    • https://vexefanakaxaki.weebly.com/uploads/1/3/4/8/134871487/5450774.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4497082/normal_5fc43578257e7.pdfIn PDF document text
    • https://rabugotekinevod.weebly.com/uploads/1/3/1/8/131871666/6796302.pdfIn PDF document text
    • https://libufuvebugun.weebly.com/uploads/1/3/1/4/131406816/9161566.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/tejuvonixag/26268179653.pdfIn PDF document text
    • https://s3.amazonaws.com/vuliwisuwig/asurion_metropcs_affidavit_form.pdfIn PDF document text
    • https://s3.amazonaws.com/bakoloj/pugefuzilatozuzetekof.pdfIn PDF document text
    • https://s3.amazonaws.com/redegelesibif/23257547964.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_off0000cea6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCEA6 5392 bytes
SHA-256: 700088702a02ce3b518b750937474efa47a56adfc94251cc22bae4e176f3cd9f
font_01_sfnt_off0000e0f4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE0F4 11088 bytes
SHA-256: 9bfc5a862e13dd31ca2dd67c40accf798c70c0fd292c48e4c0a7912056cbda60

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