Malicious PDF — malware analysis report

Static analysis result for SHA-256 b1e1e7931a144f7c…

MALICIOUS

PDF

351.2 KB Created: 2015-08-29 01:37:07 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 8ee6b2c2ca251b8d4f0a1b4bb0607837 SHA-1: 95f772bb1ed2dba88cf62bf174995b0de23e7fca SHA-256: b1e1e7931a144f7cb06d343e97a51eb67bae6ade9fe3a088dcc0c2f6221763f7
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 Malicious Link

The PDF file contains a critical heuristic firing indicating a link to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/, is likely part of a phishing or malware distribution chain. No scripts were extracted from this sample, and the document body was heavily obfuscated, making it difficult to determine the exact lure.

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%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B3%D0%B8%D1%82%D0%B0%D1%80%D0%BD%D1%8B%D0%B9+%D0%BF%D1%80%D0%BE%D1%86%D0%B5%D1%81%D1%81%D0%BE%D1%80&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4817/4817471_kak__vskruyvayut__cheloveka_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4818/4818215_skachat__albom__vorovayki_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4817/4817633_skachat__gineklogiya_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00053b27.bin
5e89be358ec3d6c11776efa46a6fa03adc8fdbe13eb3ed162af050977d1455dd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53B27 7640 bytes
font_01_sfnt_off000550d4.bin
bdd1f88a74122ea52d6ddf986f7d123737a07abd0242a222602d4f224430eb02		 pdf-font-stream PDF embedded font (sfnt) at offset 0x550D4 14036 bytes

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