Malicious PDF — malware analysis report

Static analysis result for SHA-256 7179e1833adb9e5c…

MALICIOUS

PDF

184.3 KB Created: 2015-07-24 11:33:56 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 6e144ca09a59129bb6fe1ac8e1c166d9 SHA-1: 1ee88d3f90c91ed69df3967a0bfd1dddad769155 SHA-256: 7179e1833adb9e5c964306d861ef2df8524a216614975f25a3b5aab88cbe5289
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF was flagged by a critical heuristic for linking to a known malicious redirector, specifically http://botcraftman.ru/. This suggests the document's primary purpose is to lure the user to a malicious website, likely for phishing or malware delivery. While no scripts were extracted, the PDF structure and the malicious link are strong indicators of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

Heuristics 2

  • 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.
  • 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=kinostar+tv+player+13+portable+rus+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191944_animaciya_salyuta_dlya_prezentacii_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4188/4188325_skachat_adobe_premiere_pro_cs6_rus_torrent_32_bit.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184931_spravka_o_srednem_zarabotke_dlya_centra_zanyatosti_skachat.pdf
    • http://www.microsoft.com/typography/fonts/You
    • http://www.microsoft.com/typography/fonts/

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a33a.bin
5ef5a51510ff331925787184be8a2353175b3ecf67ee4bf64b9b4e4b7a0a4bcf		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A33A 6992 bytes
font_00_sfnt_off00023c7c.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23C7C 3556 bytes
font_01_sfnt_off000249ff.bin
56f5e964dbd2941f8cd1dfbcd16c156050fe7957c6ee131d12a157c198064e10		 pdf-font-stream PDF embedded font (sfnt) at offset 0x249FF 14612 bytes
font_02_sfnt_off00027771.bin
8e8f8f6413caea50dc96d56dd4f44d354e2cb179d449317123fa7c2976c2dc8d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27771 14824 bytes
font_04_sfnt_off0002b788.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B788 6084 bytes
font_05_sfnt_off0002c71d.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C71D 3752 bytes

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