Malicious PDF — malware analysis report

Static analysis result for SHA-256 e934c4d9bb7a60b0…

MALICIOUS

PDF

372.9 KB Created: 2015-08-28 17:38:01 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 648e52abcd7f11d57b6d56a2e89f4fc4 SHA-1: 3ba074eef14fca9432017091abeb1ab2d940bba4 SHA-256: e934c4d9bb7a60b0c50f21817726ffb86770992252216c4a8bdc27af71f31969
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a link to a known malicious redirector. This suggests the document is designed to lure users to a malicious website. No scripts were extracted, and the document body was heavily obfuscated and unreadable, preventing further analysis of the specific lure. The primary IOC is the malicious 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=%D0%B1%D0%B0%D0%BD%D0%BA+%D1%80%D0%B5%D1%84%D0%B5%D1%80%D0%B0%D1%82%D0%BE%D0%B2+%D0%B8+%D0%BA%D1%83%D1%80%D1%81%D0%BE%D0%B2%D1%8B%D1%85+%D1%80%D0%B0%D0%B1%D0%BE%D1%82+%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/7//4809/4809159_skachat__drayvera__dlya_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4809/4809293_mercaet__yekran_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4809/4809107_forma__okud__0710002_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00058981.bin
1300392983034eef4eb4a2b76e5aa625d3cc1b9b75c01d55035554fcf0967204		 pdf-font-stream PDF embedded font (sfnt) at offset 0x58981 10216 bytes
font_01_sfnt_off0005a6d5.bin
10abd769652d74f2085817e770dd776a45c2916e34f4a510e5daa8443f86cccf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A6D5 14276 bytes

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