Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d801192c02ecaa2…

MALICIOUS

PDF

66.2 KB Created: 2020-11-22 03:04:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-18
MD5: 69a57508a11d8654dc379abdc46ddc29 SHA-1: e613aa05aad1268a577656a5eae9b63c50b08b83 SHA-256: 5d801192c02ecaa260d326d66e9bf2080105b0a8f1b79b330df9dc7d31180521
204 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 7

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://trafftec.ru/wb?keyword=free%20printable%20phonics%20worksheets%20first%20grade PDF link annotation
    • https://vafumavuforowa.weebly.com/uploads/1/3/4/4/134489815/4914092.pdfIn PDF document text
    • https://pepotoxuxomupav.weebly.com/uploads/1/3/1/4/131483830/jirasemogivepu_pewiwodar.pdfIn PDF document text
    • https://pejirudofatepo.weebly.com/uploads/1/3/4/6/134648176/443a3.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/4dfca7f4-1db2-4e4f-befe-a4288818ec5b/8-bit_theater_book.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1e3510f2-7fa8-499e-9a84-0ecc4d1d9b7f/bifufub.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2784f985-d02c-4e89-825a-8b4072a2df60/71808393964.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/516a8894-35e1-407f-9e1f-74636643a062/15365371425.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6cf093e1-2371-4c5f-a7c2-18dcbbcff491/subaru_crosstrek_2018_owner_s_manual.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5487abf9-9299-4cae-b9de-59c5db6334b9/85605486267.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1c40ff95-a626-4c0a-964a-4adf7ef29a9b/doxisudukonefok.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0ac8fcb9-a293-4f7f-8f65-6413cbdaba8a/49673107258.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/18258a41-8705-420b-b8d2-fc4638673c49/zugemu.pdfIn PDF document text
    • https://s3.amazonaws.com/zetare/53843561397.pdfIn PDF document text
    • https://s3.amazonaws.com/zidosozawok/11975168917.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_off0000c600.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC600 5668 bytes
SHA-256: 1009bf0517f016c1de45d90d8b39008c3ca73d7797cc1533e973a0fe76ae4e69
font_01_sfnt_off0000d94d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD94D 10080 bytes
SHA-256: f4a359e0139e68350c44cda09edba7e42bbc0d57190403c2991c850034fb77f2

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