Malicious PDF — malware analysis report

Static analysis result for SHA-256 793d549038e9f522…

MALICIOUS

PDF

64.3 KB Created: 2020-11-25 05:44:31 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-15
MD5: 926a75a67c092e6e69855cf3558b7a35 SHA-1: f975692d5ee0fa92268c9985dc95daa094dcd549 SHA-256: 793d549038e9f52254d351232403b4909d36cb520b7e12b11bbb47dcd0962753
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://traffmen.ru/wb?keyword=havering%20school%20uniform%20shop%20hornchurch In PDF document text
    • https://cdn-cms.f-static.net/uploads/4416919/normal_5fb4d8ef28e46.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368229/normal_5f8bc05544713.pdfIn PDF document text
    • https://tezolujekile.weebly.com/uploads/1/3/4/4/134497819/6674536.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370265/normal_5f8edab6bf01f.pdfIn PDF document text
    • https://pesenafixap.weebly.com/uploads/1/3/4/4/134483140/6a97fbc.pdfIn PDF document text
    • https://gixawixo.weebly.com/uploads/1/3/4/3/134322292/betepegurob.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4371790/normal_5f8853bd7488b.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/dazifozixawus/47850637193.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/57d0d0ad-4aa7-4614-83a3-958fdf875a64/16301787015.pdfIn PDF document text
    • https://s3.amazonaws.com/kexamoxusinixu/planned_parenthood_tampa_ave_orlando_fl.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/05813406-8f4f-400e-8313-f18366c689ec/86341852769.pdfIn PDF document text
    • https://s3.amazonaws.com/babuxufarizuxur/adobe_reader_password_protect_document.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_off0000bbbc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBBBC 5448 bytes
SHA-256: c5569f1590dc17251422eae9e96ba24936f057c1e991eb31bd04bb660fec5529
font_01_sfnt_off0000ce2b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCE2B 11412 bytes
SHA-256: 888223f1c3c198ed04d791e16d3abd691288f12246392aefdbcdb7447dfc17ff

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