Malicious PDF — malware analysis report

Static analysis result for SHA-256 8bc7095aa09fd67c…

MALICIOUS

PDF

183.8 KB Created: 2015-07-24 15:39:40 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 426b715566e985780c9e1b8fa3258332 SHA-1: 41e6467b7418c637f3eefa5fe7825b4f103b6448 SHA-256: 8bc7095aa09fd67c845c7daa226074d497b680edf9d93a790feca64fe0ca4fe4
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a link to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/, is likely used to direct users to a malicious website for phishing or malware delivery. No scripts were extracted, limiting further analysis of the payload.

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=iso2god+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%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//4185/4185527_video_po_zamene_remnya_na_stiralnoy_mashinke_samsung_s803j.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192384_skachat_gta_4_multiplayer_cherez_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185256_gta_5_na_pk_piratka_skachat_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a204.bin
65f865b597841a282e8de30b9e6bcbfa732d984dd075db4daf769a310091db48		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A204 6736 bytes
font_00_sfnt_off00023c98.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23C98 3556 bytes
font_01_sfnt_off00024a1b.bin
c7579ffd74f5288290f3cb28d9669282afddc8cd09d38d3624723381606a84b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24A1B 14620 bytes
font_02_sfnt_off00027751.bin
938202cbbf12180af67b8e22da6d6e5e1a0b7cefbfb44404ee751c090808a88f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27751 14468 bytes
font_04_sfnt_off0002b551.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B551 6084 bytes
font_05_sfnt_off0002c4e6.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C4E6 3752 bytes

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