Malicious PDF — malware analysis report

Static analysis result for SHA-256 caaa80e1a4890545…

MALICIOUS

PDF

353.2 KB Created: 2015-08-28 11:33:25 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: fe221763d141d2cc8397b7356c5c75aa SHA-1: 4ff87b98d62526003f75e3aa1d07ee53f8ba7989 SHA-256: caaa80e1a48905458bfc7073dbc4f9285cd3d84e49d90815acc0731103334d06
60 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector URL, indicating a phishing or malware distribution attempt. The document body is heavily obfuscated and does not provide clear textual clues, but the heuristic firing confirms the malicious intent of the embedded link. No scripts were extracted from this sample.

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%80%D0%B0%D1%81%D0%BF%D0%B8%D1%81%D0%B0%D0%BD%D0%B8%D0%B5+%D0%B0%D0%B2%D1%82%D0%BE%D0%B1%D1%83%D1%81%D0%BE%D0%B2+%D0%BC%D0%BE%D1%81%D0%BA%D0%B2%D0%B0+%D0%BD%D0%BE%D0%B2%D0%BE%D0%BC%D0%BE%D1%81%D0%BA%D0%BE%D0%B2%D1%81%D0%BA&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802420_skachat__besplatno__igru_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802389_skachat__yemulyator__android_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802410_divinity__2the__dragon_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00053cab.bin
81fdbb2d48c565353054affa5f7e1906ec83cefc583884ce81eb6b1ec7f9bc8b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53CAB 7548 bytes
font_01_sfnt_off000552a3.bin
c742ce4f8d8662bb05a1ab9575a06b45b3580984e154a9812ad36c866616755e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x552A3 16576 bytes

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