Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e6c71f96c46a601…

MALICIOUS

PDF

185.2 KB Created: 2015-07-27 09:05:19 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: dabbd01c4085524c55b2b3862864445f SHA-1: 481d922017cecc4f155636d131e4ec2662625f69 SHA-256: 6e6c71f96c46a601cd2f6f3fed3ecba2d4aadef4177cd4bd33a23a742384bc53
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 critical heuristic indicating a malicious redirector link. The embedded URL, http://botcraftcraftman.ru/..., is likely intended to lead the user to a malicious site. No scripts were extracted, but the presence of a malicious link suggests an attempt to lure the user to a compromised resource.

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%82%D0%B0%D0%BD%D1%86%D0%B5%D0%B2%D0%B0%D0%BB%D1%8C%D0%BD%D1%8B%D0%B5+%D1%85%D0%B8%D1%82%D1%8B+2013+%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//4196/4196433_skachat_tabel_ucheta_rabochego_vremeni_t13_na_2015_god_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4209/4209232_bank_zadaniy_egye_po_angliyskomu_yazuyku_2015_fipi.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4214/4214509_speedcam_navitel_belarus_2014_skachat.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_off00023f4d.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23F4D 3556 bytes
font_01_sfnt_off00024cd0.bin
f1de1872a6a3a0dd0f2baba680dda7d48fb4e87ce9d2cd3c33a02b1287f58d79		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24CD0 15216 bytes
font_02_sfnt_off00027bfb.bin
c02cd63ea8bfeb90ef7ff98f0fa54fef07456b99eeb84a01aed4225385c4206f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27BFB 14532 bytes
font_03_sfnt_off0002a6e6.bin
aa7df4b4222e5d54b39359c99e4089a7720838636720d2f475ea9098021d6bef		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A6E6 6940 bytes
font_04_sfnt_off0002bb0b.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BB0B 6084 bytes
font_05_sfnt_off0002caa0.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CAA0 3752 bytes

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