Malicious PDF — malware analysis report

Static analysis result for SHA-256 c790e075473527a0…

MALICIOUS

PDF

186.8 KB Created: 2015-07-24 19:21:36 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6) First seen: 2021-01-23
MD5: 24a598bf6f90fc57087ab6de612486f7 SHA-1: c71cf55a2b64ca7559518d5cb5200e20ebf70b2c SHA-256: c790e075473527a06c323780ddfb736798469a92951b1ec6f22184296f39b9e9
192 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

Heuristics 4

  • ClamAV: Pdf.Dropper.Agent-7493388-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7493388-0
  • 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.
  • 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=%D0%A1%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D1%83+%D0%B8%D1%81%D0%BA%D0%B0%D0%B6%D0%B5%D0%BD%D0%B8%D1%8F+%D0%BB%D0%B8%D1%86%D0%B0+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%D0%B2%D0%B5%D0%B1+%D0%BA%D0%B0%D0%BC%D0%B5%D1%80%D1%83&charset=utf-8 In PDF document text
    • http://botcraftman.ru/?lip&keyword=%D0%A1%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D1%83+%D0%B8%D1%81%D0%BA%D0%B0%D0%B6%D0%B5%D0%BD%D0%B8%D1%8F+%D0%BB%D0%B8%D1%86%D0%B0+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%D0%B2%D0%B5%D0%B1+%D0%BA%D0%B0%D0%BC%D0%B5%D1%80%D1%83&In PDF document text
    • http://fastpic.ru/In PDF document text
    • http://www.liveinternet.ru/clickIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192279_skachat_igru_sims_2_zhiteyskie_istorii_besplatno_cherez_torrent.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192273_moduy_dlya_gta_san_andreas.pdfIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191851_skachat_rusifikator_dlya_gta_san_andreas_samp_03x.pdfIn PDF document text
    • http://www.microsoft.com/typography/fonts/In PDF document text
    • http://www.microsoft.com/typography/fonts/YouIn PDF document text

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024629.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x24629 3556 bytes
SHA-256: 880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281
font_01_sfnt_off000253ac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x253AC 14756 bytes
SHA-256: 9d90a8bc5050a2cf346ed293fb7ff45d2922d54bd4c9ccfa154ff94ad66e8434
font_02_sfnt_off0002817a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2817A 14468 bytes
SHA-256: c457fcfaab6f548331a7572fefd0d96ae260c7787e9dff2b51ae1aa36573dbb9
font_03_sfnt_off0002ac29.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2AC29 7324 bytes
SHA-256: c9bb0636db3d9d941fbf78e706e0841d551289c0436800d21ff8eb9e658dcc58
font_04_sfnt_off0002c191.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2C191 6084 bytes
SHA-256: 819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3
font_05_sfnt_off0002d126.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2D126 3752 bytes
SHA-256: 9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e

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