Malicious PDF — malware analysis report

Static analysis result for SHA-256 9b79eb8ad341bd73…

MALICIOUS

PDF

184.0 KB Created: 2015-07-24 00:59:40 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: f999b11d88737aaf83fdd250c5e47463 SHA-1: 38d93b56487f40173c4bd650069f43cc021daa01 SHA-256: 9b79eb8ad341bd73949cb3622a542a9938450341268fe2143ccee68b10007677
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector. This indicates the document is likely a lure to direct users to a malicious website for phishing or malware delivery. No scripts were extracted, and the document body was not readable, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

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%D1%83%D1%81%D1%81%D0%BA%D0%B8%D0%B9+%D1%80%D0%BE%D0%BA+%D0%BB%D1%83%D1%87%D1%88%D0%B5%D0%B5+%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://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184715_primeruy_nachisleniya_otpusknuyh_v_2015_godu.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184741_skachat_programmu_dlya_nakrutki_lyudey_v_gruppu_vkontakte.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184712_aim_na_contract_wars.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023d67.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23D67 3556 bytes
font_01_sfnt_off00024aea.bin
6e560e9dd67e34c4e83fe43f869247ac5708296a61fa60f6f5f19b12a9ad3b67		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24AEA 14884 bytes
font_02_sfnt_off00027915.bin
8c5e5bc4674cee60ec6c1619e60533ff44be00efca6b5f228c587d2f19a61a12		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27915 14520 bytes
font_03_sfnt_off0002a3e4.bin
ee14bf38698f38a0d1d78b35b59c51a896f8d2d7bccdff6fa322c00f3fe3cccf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A3E4 6488 bytes
font_04_sfnt_off0002b651.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B651 6084 bytes
font_05_sfnt_off0002c5e6.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C5E6 3752 bytes

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