Malicious PDF — malware analysis report

Static analysis result for SHA-256 385859b018862f15…

MALICIOUS

PDF

350.4 KB Created: 2015-08-24 01:36:10 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 66e6021bf9d0bfbbf8d1fe58fe29c605 SHA-1: 32c10995a7f46415fce311aa89365e36500f7ecf SHA-256: 385859b018862f15059ee13b4a9fb4174ba3e05345c98d6341ff1c157d8aab17
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, indicating an attempt to lure the user to a harmful site. The embedded URL is http://botcraftman.ru/. No scripts were extracted from this sample, but the heuristic firing strongly suggests a phishing or redirection attack. The document body is heavily obfuscated and unreadable.

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=apm+civil+engineering+%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://img1.liveinternet.ru/images/attach/c/6//4695/4695613_tablica__rabkina__s_.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4693/4693174_skachat__serial__spartak_.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4693/4693745_gamora__vse__albomuy_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00053094.bin
f40fe23b98875cf7f2073e3ea79e18634458c3428ff766e489da205b701e1fa6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53094 9636 bytes
font_01_sfnt_off00054bb3.bin
3add171ff56cfb7a1540e7b4e8476139ad30ce935d66988b6c48685211a8662d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x54BB3 15344 bytes

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