Malicious PDF — malware analysis report

Static analysis result for SHA-256 512cbdc02f3da49d…

MALICIOUS

PDF

186.8 KB Created: 2015-07-23 20:11:08 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 5eaa51a7b45c6ccb83877264f2402c62 SHA-1: 64e86d2ae0a90901a34113b85d48f9a7b6da75fb SHA-256: 512cbdc02f3da49d3085bb229016c1f032f69e48c4b30e64e1caf434ac601fd1
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 the primary indicator of malicious intent. While no scripts were extracted, the presence of this malicious link suggests the document is designed to lure users to a harmful website, likely for phishing or malware delivery. The file was authored using wkhtmltopdf, which is not inherently malicious but can be used to generate malicious documents.

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%B5%D0%B7%D1%83%D0%BB%D1%8C%D1%82%D0%B0%D1%82%D1%8B+%D0%B5%D0%B3%D1%8D+%D0%BF%D0%BE+%D0%BC%D0%B0%D1%82%D0%B5%D0%BC%D0%B0%D1%82%D0%B8%D0%BA%D0%B5+2015+%D1%80%D0%BE%D1%81%D1%82%D0%BE%D0%B2%D1%81%D0%BA%D0%B0%D1%8F+%D0%BE%D0%B1%D0%BB%D0%B0%D1%81%D1%82%D1%8C&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4183/4183178_kuryatnik_proekt.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4183/4183258_proekt_doma_5_na_5.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4183/4183244_proekt_dachnogo_domika.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024551.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24551 3556 bytes
font_01_sfnt_off000252d4.bin
7309d37e2a25148c71350b4c44577a7191719459112f86e4df3441dd71b49228		 pdf-font-stream PDF embedded font (sfnt) at offset 0x252D4 14432 bytes
font_02_sfnt_off00028019.bin
d129b2306b70ce91da7e21aa5dc95ff0e57120c5b3b157257a57119c7bcd55f4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28019 14640 bytes
font_03_sfnt_off0002ab52.bin
409f195e5ef025cc8f6bb9a1b365239f558bb662489890542649e1d73cacc5e0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AB52 7492 bytes
font_04_sfnt_off0002c170.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C170 6084 bytes
font_05_sfnt_off0002d105.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D105 3752 bytes

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