Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e62ddefc9d1f9ef…

MALICIOUS

PDF

185.0 KB Created: 2015-08-05 16:02:52 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: ad6fcd1c34c1df0495c65c48aeaca5a1 SHA-1: 8abc79db0e7c4432c24ada7ab2356d76c0aa00ff SHA-256: 0e62ddefc9d1f9ef0d2053473bc9e1085b85b9941b28f9121cf90903aaf4b114
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector. The embedded URL, http://botcraftman.ru/, is likely part of a phishing or malware distribution chain. No scripts were extracted, but the presence of the malicious link strongly suggests an intent to redirect the user to a harmful site.

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%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BA%D1%81+16+%D1%84%D0%B8%D0%BD%D0%B0%D0%BB+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%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/6//4304/4304944_bi2_1000_mil_tekst.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4305/4305235_knigi_sviyasha.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4305/4305162_sly_cooper_pruyzhok_vo_vremeni_prohozhdenie.pdf
    • http://www.microsoft.com/typography/fonts/
    • http://www.microsoft.com/typography/fonts/You

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002411a.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2411A 3556 bytes
font_01_sfnt_off00024e9d.bin
709a5d94ae179331038d55b193694f2b99b7a51e77ece93787b50c9b074909da		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24E9D 14536 bytes
font_02_sfnt_off00027c09.bin
6ad92209ed666c1eba499cb9224221f2e0b6004fb74a3fe6c0b45da67ce7338f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27C09 14468 bytes
font_03_sfnt_off0002a6bf.bin
c1608df0c6b4c78b041f273fe333e8402cbb3cc41ff4973f5201600d66aa107c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A6BF 6744 bytes
font_04_sfnt_off0002ba3c.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BA3C 6084 bytes
font_05_sfnt_off0002c9d1.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C9D1 3752 bytes

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