Malicious PDF — malware analysis report

Static analysis result for SHA-256 31884a1fb935f62c…

MALICIOUS

PDF

188.3 KB Created: 2015-08-04 16:57:33 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 5d057237e55530f78913f0b43dc6fe98 SHA-1: 382890963fc9064b1ee86abebb6e4babaa5cb6be SHA-256: 31884a1fb935f62c4a6f53d9869266cae73a3575efe7ac88c7df30d6bc655c66
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 a known malicious redirector. This suggests the document is designed to lure the user to a malicious website. The embedded URL http://botcraftman.ru/... is the primary indicator of this malicious intent. No scripts were extracted, and the document body was not sufficiently readable to provide further context.

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=%D1%88%D1%82%D0%B0%D1%82%D0%BD%D0%BE%D0%B5+%D1%80%D0%B0%D1%81%D0%BF%D0%B8%D1%81%D0%B0%D0%BD%D0%B8%D0%B5+%D1%84%D0%BE%D1%80%D0%BC%D0%B0+%D1%82-3+%D0%B1%D0%BB%D0%B0%D0%BD%D0%BA+%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&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4211/4211134_skachat_demon_tuls_dlya_vindovs_7.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4208/4208115_programma_dlya_izmeneniya_lica_po_veb_kamere.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4251/4251230_aktivator_windows_8_enterprise_9200_skachat.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024cde.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24CDE 3556 bytes
font_01_sfnt_off00025a61.bin
e42ec3a712b159c9a351f77c6f9fc639eb35b054df574e6a12e8a9451dd7f099		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25A61 14708 bytes
font_02_sfnt_off000288ab.bin
4750039f21c3e5ecd6c569ef9194c71ee8fb4d5fba1977b22145b49bde260618		 pdf-font-stream PDF embedded font (sfnt) at offset 0x288AB 14520 bytes
font_03_sfnt_off0002b382.bin
5feba2e06db586a192a2931567ed1bb455ba6930f48bae6d3baf738c3cb238a3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B382 6868 bytes
font_04_sfnt_off0002c760.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C760 6084 bytes
font_05_sfnt_off0002d6f5.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D6F5 3752 bytes

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