Malicious PDF — malware analysis report

Static analysis result for SHA-256 4fbcead09b591696…

MALICIOUS

PDF

344.8 KB Created: 2015-08-25 08:49:51 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 73b495358eecaeda6ae0ec153324ab4e SHA-1: f4e41c6a922c1cc90af6ec67c90cd747f8cabd04 SHA-256: 4fbcead09b5916961a0a32313d5f6954c1482ab0caf4627b9155223478d4bbed
60 Risk Score

Malware Insights

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

The PDF file 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, 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=%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82+%D0%B2+%D1%82%D0%BE%D0%BC%D1%81%D0%BA%D0%B5+%D0%B3%D0%BB%D0%B0%D0%B2%D0%BD%D0%B0%D1%8F&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/6//4725/4725405_sony__vegas__pro_.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4725/4725202_skachat__igru__golodnaya_.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4725/4725291_skachat__besplatno__korotkometrazhnoe_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00051f03.bin
e39653dd1de82a5b3326c81a2308d315e3aaee9362e4849085206283515bd482		 pdf-font-stream PDF embedded font (sfnt) at offset 0x51F03 8312 bytes
font_01_sfnt_off00053700.bin
d6933b4a5e485fb3ddc62d2e687cceb09a83fafaf567af9dd26988732a7dc0b1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53700 14900 bytes

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