Malicious PDF — malware analysis report

Static analysis result for SHA-256 7ac014357fbe8522…

MALICIOUS

PDF

184.6 KB Created: 2015-08-05 15:40:54 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 11c693feb47b1aaddc14b6e5c31e2b69 SHA-1: fbbac522aa4c0fbb781b3a81dc408bdc254cd476 SHA-256: 7ac014357fbe8522c83fa20dabffab36511df62d0484d09a73ca04456512492f
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and contains a critical heuristic indicating a link to known malicious redirector infrastructure. The embedded URL http://botcraftman.ru/... is identified as a malicious redirector, suggesting the document is designed to lure users to a harmful site. No scripts were extracted, and the document body was not sufficiently readable to infer further 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=%D0%BA%D0%BE%D0%B4%D1%8B+%D0%B8+%D1%88%D0%B8%D1%84%D1%80%D1%8B+%D0%B4%D0%B8%D0%B0%D0%B3%D0%BD%D0%BE%D0%B7%D0%BE%D0%B2+%D0%B8+%D0%B7%D0%B0%D0%B1%D0%BE%D0%BB%D0%B5%D0%B2%D0%B0%D0%BD%D0%B8%D0%B9&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4305/4305398_megacontacts_2013_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4305/4305423_botuy_v_pv.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4305/4305971_avtomobilnuye_koduy_gorodov.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024026.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24026 3556 bytes
font_01_sfnt_off00024da9.bin
b0befca650fe3782fd77db4cc674185b09c296ca3961566569cfc6ce867c1cf8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24DA9 14436 bytes
font_02_sfnt_off00027a26.bin
d9775475238cab7937fa4e35d65fbe93a357e8a9e242d68b4cc886ecd1dec298		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27A26 14520 bytes
font_03_sfnt_off0002a4f5.bin
516c8ede75a42cbc775ffa6d5a20cdb008c54a92892f122fa179ef309f029206		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A4F5 6908 bytes
font_04_sfnt_off0002b8cb.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B8CB 6084 bytes
font_05_sfnt_off0002c860.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C860 3752 bytes

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