Malicious PDF — malware analysis report

Static analysis result for SHA-256 558d8fa1bd64a9d9…

MALICIOUS

PDF

361.1 KB Created: 2015-08-19 14:20:11 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 5618a720c96cbf9d037bea0c78451445 SHA-1: ab1ef8ff59c260cabad17a22872fe8c63afafc00 SHA-256: 558d8fa1bd64a9d9b197ed5efce829ce3adb80a15c0f4f6f4e2c00432e0fe900
60 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, indicating an attempt to lure the user to a harmful site. The document body is heavily obfuscated, making it difficult to determine the exact lure. No scripts were extracted from this sample. The primary threat is the embedded malicious 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=crysis+3+directx+10+patch+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4626/4626708_leyna_3_sdelat_vuybor_polnaya_versiya_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4626/4626537_skachat_serial_mech_2_cherez_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4626/4626559_bonus_kod_na_iyun_2015_world_of_tanks.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005587f.bin
e547ee9acaf233538670ed00677d57e85b2ddcd2e22a8cf3bbd102ff6a9f6cf9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5587F 9728 bytes
font_01_sfnt_off00057366.bin
40ac138a75eeae8b10cc9897ed5206c30fe668a544d5d3a7df5ad1cea602c7cd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x57366 15804 bytes

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