Malicious PDF — malware analysis report

Static analysis result for SHA-256 2343b2597f326264…

MALICIOUS

PDF

355.4 KB Created: 2015-08-28 11:44:19 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 590a9392c1957ec8c98991d252829bd8 SHA-1: fed3cc9323a1b1c497276283047c5d33560c371c SHA-256: 2343b2597f326264b4dbf4202fbd9995079ef0cd14b7e4bf606debd100cbb9e8
60 Risk Score

Malware Insights

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

The PDF document was flagged for containing a link to a known malicious redirector. This indicates a likely attempt to lure the user to a malicious website for phishing or malware delivery. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific lure. The primary IOC is the redirector URL.

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%D0%B0%D0%B1%D0%BB%D0%BE%D0%BD%D1%8B+%D0%B4%D0%BB%D1%8F+%D0%BF%D1%80%D0%B5%D0%B7%D0%B5%D0%BD%D1%82%D0%B0%D1%86%D0%B8%D0%B9+%D0%BD%D0%B0+%D1%88%D0%BA%D0%BE%D0%BB%D1%8C%D0%BD%D1%83%D1%8E+%D1%82%D0%B5%D0%BC%D1%83&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802608_instrukciya__po__tb_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802632_skachat__blank__zayavleniya_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802513_skachat__sims__3_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000549e9.bin
f325924427398cbc1064e43f3bee416fcd6925768760f1035aa8e6d8b61ee63e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x549E9 8596 bytes
font_01_sfnt_off00056268.bin
b63735b559febbfe78582be2f5c05d13255f48fce836335e91f14519251f9643		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56268 13752 bytes

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