Malicious PDF — malware analysis report

Static analysis result for SHA-256 b1c62e798cf1acdd…

MALICIOUS

PDF

188.9 KB Created: 2015-07-24 11:56:25 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 6b1c4dd52f6a75987d030ed1a518f076 SHA-1: f2872c02a10a47f21f46af723546bea6f4399380 SHA-256: b1c62e798cf1acddd5a93d6380f365f70f28eec0257de43e2348ec85014ca7a8
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, indicating a likely phishing or malware distribution attempt. The file was authored by wkhtmltopdf, a tool often used to generate PDFs from web content, which can be abused for malicious purposes. No scripts were extracted, and the document body was truncated, limiting further analysis of the specific lure.

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%BA%D0%BE%D1%80%D1%87%D0%B5%D0%B2%D1%81%D0%BA%D0%B8%D0%B9+%D1%8E%D1%80%D0%B8%D0%B9+%D1%84%D0%B5%D0%BB%D1%8C%D0%B4%D1%8A%D0%B5%D0%B3%D0%B5%D1%80%D1%8C+3+%D1%81%D1%8B%D0%BD+%D0%B1%D0%BE%D1%8F%D1%80%D1%81%D0%BA%D0%B8%D0%B9+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%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/5//4191/4191924_gia_po_matematike_2015_31_maya_kimuy_otvetuy.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185669_victoria_446b_rus_skachat_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184908_upstream_intermediate_b2_students_book_skachat_besplatno.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024bfa.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24BFA 3556 bytes
font_01_sfnt_off0002597d.bin
6a1fcdf0500e206f4ec95838124a165bbc97dbebb7a09fa29605f6bd2106f1e4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2597D 15224 bytes
font_02_sfnt_off00028888.bin
476f14226cac90bd411ffd11734132de496fd9af2579013b9755a8924d3c584a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28888 14600 bytes
font_03_sfnt_off0002b363.bin
a5e078e12256715e289073a592d901afb469cdbe8f1e745045d0d8f8d4804300		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B363 7648 bytes
font_04_sfnt_off0002c9af.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C9AF 6084 bytes
font_05_sfnt_off0002d944.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D944 3752 bytes

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