Malicious PDF — malware analysis report

Static analysis result for SHA-256 88d0e031b588cf2a…

MALICIOUS

PDF

186.3 KB Created: 2015-07-24 01:09:13 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 726bb816df1e5108ef5895dae9ab53c2 SHA-1: a9854c6a6a78b8e506388a3abe469c25e0531830 SHA-256: 88d0e031b588cf2a51d370edbb52e76a8a524564cf022d1a73207e89e6f6b859
60 Risk Score

Malware Insights

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

The PDF file contains an embedded link that points to a known malicious redirector. This heuristic firing indicates that the document is designed to lure the user into clicking the link, which would then likely lead them to a site hosting malware or engaging in phishing. No scripts were extracted, and the document body was truncated, limiting further analysis of the exact payload.

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=%D0%B0%D0%BA%D1%82%D0%B8%D0%B2%D0%B0%D1%82%D0%BE%D1%80+%D0%B4%D0%BB%D1%8F+windows+7+%D0%BC%D0%B0%D0%BA%D1%81%D0%B8%D0%BC%D0%B0%D0%BB%D1%8C%D0%BD%D0%B0%D1%8F+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186277_antiplagiat_proverit_tekst.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186385_skachat_fonbet_na_android.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185834_gotovoe_portfolio_uchenika_9_klassa.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002aa54.bin
176fcc1a88770cd0119ca11726779a7f8deea97caf3e74f381ff9096944969f1		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2AA54 7256 bytes
font_00_sfnt_off0002430f.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2430F 3556 bytes
font_01_sfnt_off00025092.bin
a1b88ed2f94520c033ab32cc024ad1912b25f095328a8a87aa5825b5e51d7701		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25092 14824 bytes
font_02_sfnt_off00027f33.bin
91d4a5e70bb6505a4d7e49a94951645e049c5f6e4b7ec6b126e3d70fe325feef		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27F33 14584 bytes
font_04_sfnt_off0002bf94.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BF94 6084 bytes
font_05_sfnt_off0002cf29.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CF29 3752 bytes

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