Malicious PDF — malware analysis report

Static analysis result for SHA-256 85faa4a8129e2cd3…

MALICIOUS

PDF

184.9 KB Created: 2015-07-23 23:23:19 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 63c06eacdff8abbaee0b952623d99d78 SHA-1: 8b4052e1e2f124d5a98e1638eaeec30043ec337b SHA-256: 85faa4a8129e2cd335686de7da0ba80a9cdd687fb5927021011c40b1f0094335
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 known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/, is likely part of a phishing or malware distribution chain. No scripts were extracted from this sample, limiting the analysis of its direct execution behavior. The file's metadata indicates it was generated by wkhtmltopdf, a tool often used to create PDFs from web content, which could be leveraged for malicious purposes.

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%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BE%D0%BF%D0%B5%D1%80%D1%83+%D0%B1%D0%B5%D0%B7%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185242_minitool_partition_wizard_server_edition_v77_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185577_kubanskiy_kazachiy_hor_skachat_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185508_skachat_besplatno_whatsapp_dlya_kompyutera.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024112.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24112 3556 bytes
font_01_sfnt_off00024e95.bin
aa268338f53be064d32dad6264e722297addf24053287202b787ad490cb22682		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24E95 14808 bytes
font_02_sfnt_off00027c3f.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27C3F 14468 bytes
font_03_sfnt_off0002a6f1.bin
2719ad60a5acfee36c897ac5fbefb723ada03799adc2675ae8771ad75bfe8087		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A6F1 6544 bytes
font_04_sfnt_off0002b9a8.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B9A8 6084 bytes
font_05_sfnt_off0002c93d.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C93D 3752 bytes

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