Malicious PDF — malware analysis report

Static analysis result for SHA-256 6009d17248b16f67…

MALICIOUS

PDF

390.1 KB Created: 2015-08-23 14:54:43 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6) First seen: 2021-09-27
MD5: 534c67d8f9b294bc29ce6e9d46ee2ebb SHA-1: f17204a7d00bc2effc773faf37519c3a5a3747da SHA-256: 6009d17248b16f6731b6fb2dc47a7219668fc7d6b77c87578a716b57e75d698c
132 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a critical heuristic firing indicating a link to known malicious redirector infrastructure. This redirector is likely used to lure users to a malicious website, potentially for phishing or to download further malware. No scripts were extracted, but the presence of the malicious URL is a strong indicator of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9948

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=%D1%80%D0%B0%D0%B1%D0%BE%D1%87%D0%B0%D1%8F+%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D0%B0+%D0%BF%D0%BE+%D0%B8%D0%BD%D1%84%D0%BE%D1%80%D0%BC%D0%B0%D1%82%D0%B8%D0%BA%D0%B5+9+%D0%BA%D0%BB%D0%B0%D1%81%D1%81+%D1%83%D0%B3%D1%80%D0%B8%D0%BD%D0%BE%D0%B2%D0%B8%D1%87+2+%D1%87%D0%B0%D1%81+%D0%B2+%D0%BD%D0%B5%D0%B4%D0%B5%D0%BB%D1%8E&charset=utf-8 In PDF document text
    • http://botcraftman.ru/?lip&keyword=%D1%80%D0%B0%D0%B1%D0%BE%D1%87%D0%B0%D1%8F+%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D0%B0+%D0%BF%D0%BE+%D0%B8%D0%BD%D1%84%D0%BE%D1%80%D0%BC%D0%B0%D1%82%D0%B8%D0%BA%D0%B5+9+%D0%BA%D0%BB%D0%B0%D1%81%D1%81+%D1%83%D0%B3%D1%80%D0%B8%D0%BD%D0%BE%D0%B2%D0%B8%D1%87In PDF document text
    • http://img0.liveinternet.ru/images/attach/c/6//4684/4684391_windows_8_single_language_64bit_torrent.pdfIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/6//4685/4685731_allen__karr__legkiy_.pdfIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/6//4685/4685235_dnevnik_po_praktike_farmacevta_v_apteke.pdfIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005cce7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5CCE7 9008 bytes
SHA-256: db825e0da34557cdd8db757de4c42ad5417e8a404ea98d6ffcab11683d676e80
font_01_sfnt_off0005e772.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E772 15768 bytes
SHA-256: 9a3a085321b8c7b37e6dc540b49fc40b8b88389c0fcec9468e58abfff19d2414

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