Malicious PDF — malware analysis report

Static analysis result for SHA-256 9b74b5443f39c9c3…

MALICIOUS

PDF

187.2 KB Created: 2015-08-05 22:41:54 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 41978cbe24e48eaf3af0912d89a2525e SHA-1: 6e2339c399c98f9b3fd1b0c5c0b5d702a5f6925d SHA-256: 9b74b5443f39c9c3d3038984bca1ac461de4076db2aee4866fa3caf2b7901ef0
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a link to a known malicious redirector, botcraftman.ru. This indicates a likely attempt to lure the user to a malicious website, potentially for phishing or to download further malware. No scripts were extracted, and the document body was not sufficiently readable to determine a specific lure. The primary threat is the embedded malicious link.

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=microsoft+office+visio+2010+%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+%D1%80%D1%83%D1%81%D1%81%D0%BA%D0%B0%D1%8F+%D0%B2%D0%B5%D1%80%D1%81%D0%B8%D1%8F&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4305/4305272_mini_opera_skachat_na_kompyuter.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4308/4308170_kartinki_world_of_tanks_na_rabochiy_stol_1280h1024.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304848_sting_skachat_besplatno_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002abb1.bin
85df6ff36119d9b4e866c9d82015a57f9f939980c603eb75cb3e88ecefacb6fc		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2ABB1 7804 bytes
font_00_sfnt_off0002454f.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2454F 3556 bytes
font_01_sfnt_off000252d2.bin
d76f40b5bce68e645dc2054e547edc461ed3f9fa2506399d5fd4bc5bda446fdc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x252D2 14508 bytes
font_02_sfnt_off00028018.bin
58b1af28c91607e4cefb91291aa71649edc476f63e1e9fe9b5637a87ddbd9802		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28018 14724 bytes
font_04_sfnt_off0002c2d7.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C2D7 6084 bytes
font_05_sfnt_off0002d26c.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D26C 3752 bytes

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