Malicious PDF — malware analysis report

Static analysis result for SHA-256 2223b0215e9a94cf…

MALICIOUS

PDF

369.4 KB Created: 2015-08-24 02:33:44 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6) First seen: 2026-06-05
MD5: 400c91520725a8eccbe3eafc827bfdc3 SHA-1: b0bffe46b0d8f35304091757788b7eab16e45e05 SHA-256: 2223b0215e9a94cf3f56992710226a290d1e5f05a428c6b33e59f0c2a18cb28f
132 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file contains embedded links that redirect to a malicious domain, identified as a known redirector. The heuristic firings indicate that this is likely an SEO poisoning lure, attempting to trick users into downloading or visiting a malicious site. No scripts were extracted, but the presence of malicious redirectors strongly suggests an intent to deliver a secondary payload or phish for credentials.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9940

Heuristics 3

  • 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.
  • 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.
  • 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 http://botcraftman.ru/?lip&keyword=torque+pro+%D1%80%D1%83%D1%81%D1%81%D0%B8%D1%84%D0%B8%D1%86%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%BD%D1%8B%D0%B9+v1634+%D0%B4%D0%BB%D1%8F+%D0%B0%D0%BD%D0%B4%D1%80%D0%BE%D0%B8%D0%B4+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE&charset=utf-8 In PDF document text
    • http://botcraftman.ru/?lip&keyword=torque+pro+%D1%80%D1%83%D1%81%D1%81%D0%B8%D1%84%D0%B8%D1%86%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%BD%D1%8B%D0%B9+v1634+%D0%B4%D0%BB%D1%8F+%D0%B0%D0%BD%D0%B4%D1%80%D0%BE%D0%B8%D0%B4+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%In PDF document text
    • http://img1.liveinternet.ru/images/attach/c/6//4697/4697373_ekaterina__2__i_.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/6//4696/4696039_sculptris__alpha__6_.pdfIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/6//4695/4695433_uchebnik__starlayt__pourochnoe_.pdfIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005744e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5744E 11452 bytes
SHA-256: ffcdef7a98ebedcb2cf12368aaf48aee04b38cc7429d7a55982e0aa76d66f682
font_01_sfnt_off0005947f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5947F 16240 bytes
SHA-256: b1eb3c4abe085cdb119bb5e46897b5290b052d2e9b5c07525d5f2711cfe8d7d5

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