Malicious PDF — malware analysis report

Static analysis result for SHA-256 bc98231c1383d3e7…

MALICIOUS

PDF

186.9 KB Created: 2015-08-08 11:37:39 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 78f71ed83fb0e0007ffd02c826e01460 SHA-1: 77add7d35fc3235dcb1604fd1a932395773a1607 SHA-256: bc98231c1383d3e7d9e018b57a962cf11a94d7c7eb22621c6d6996c5b4ef5e13
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 from this sample, limiting further analysis of its behavior. The primary IOC is the malicious URL found within the document.

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%B8%D0%B3%D1%80%D0%B0%D1%82%D1%8C+%D0%BD%D0%B0+%D1%81%D0%B5%D1%80%D0%B2%D0%B5%D1%80%D0%B5+%D0%BC%D0%B0%D0%B9%D0%BD%D0%BA%D1%80%D0%B0%D1%84%D1%82+%D0%B1%D0%B5%D0%B7+%D1%80%D0%B5%D0%B3%D0%B8%D1%81%D1%82%D1%80%D0%B0%D1%86%D0%B8%D0%B8+%D0%B1%D0%B5%D1%81%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/6//4387/4387031_skachat_garrys_mod_11_torrent_russkaya_versiya.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384439_ryep_lirika_2015_skachat_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4388/4388092_graffiti_na_bumage_dlya_nachinayuschih_uchitsya_po_kartinkam.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024875.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24875 3556 bytes
font_01_sfnt_off000255f8.bin
172072fed6a4c31eac60e278332456ca0bde6f859c48c9583ba34453ce23e782		 pdf-font-stream PDF embedded font (sfnt) at offset 0x255F8 14512 bytes
font_02_sfnt_off000282dd.bin
d22647a20bdf7fdf39209c54252ae5535b39cfb889418d78aaf9459f7adfd96a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x282DD 14468 bytes
font_03_sfnt_off0002ad92.bin
76d9504b5f041c5dc0ee5bbd43a8122a1c1ff77e6257b6aeb3deefd9820c08aa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AD92 7044 bytes
font_04_sfnt_off0002c1eb.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C1EB 6084 bytes
font_05_sfnt_off0002d180.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D180 3752 bytes

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