Malicious PDF — malware analysis report

Static analysis result for SHA-256 a430da296de77941…

MALICIOUS

PDF

352.6 KB Created: 2015-08-27 23:49:21 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 70ced66dbd71bf22c6407057eecce743 SHA-1: b1d6cc8c294574e9fd6f58f71ad15446daf004d5 SHA-256: a430da296de779413ad645fa5f059002e84b47aa6ca7d88c39a95e52d8f44f6a
60 Risk Score

Malware Insights

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

The PDF file contains a link that redirects to known malicious infrastructure. The document body, though heavily obfuscated, contains references to 'World of Tanks' and appears to be a lure. The heuristic firing 'PDF_MALICIOUS_REDIRECTOR_LINK' confirms the presence of a link to a malicious redirector. The embedded URL is the primary indicator of compromise.

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=world+of+tanks+%D0%BA%D0%BE%D0%B4%D1%8B+%D0%BD%D0%B0+%D0%B7%D0%BE%D0%BB%D0%BE%D1%82%D0%BE&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4787/4787782_kak__ustanovit__guitar_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4787/4787842_neobuychnuyy__scenariy__vuykupa_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4787/4787938_hp__laserjet_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005396b.bin
5970b7c6a7c90868e304bee02ea143ae4f9777e45537a063420cb333b533282e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5396B 9628 bytes
font_01_sfnt_off000554b5.bin
77d9727ec9bf7e0804f9299d43164307f17d24a892d21752cca41ee90f498917		 pdf-font-stream PDF embedded font (sfnt) at offset 0x554B5 15020 bytes

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