Malicious PDF — malware analysis report

Static analysis result for SHA-256 7daa10e1c2faf828…

MALICIOUS

PDF

185.8 KB Created: 2015-08-05 17:10:40 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: b567c574886d6a46eb2df4f14584cab2 SHA-1: a6ce68f95de37cb2777560e615d814726ddb26ac SHA-256: 7daa10e1c2faf8282229c248f3d94fc157e8e6df501adc55cfa1554800073b97
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a critical heuristic firing indicating a malicious redirector link to botcraftman.ru. This suggests the document's primary purpose is to lure the user to this malicious site, likely for phishing or to download further malware. No scripts were extracted, but the embedded URL is the primary indicator of malicious intent.

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%D0%BD%D0%B8%D0%B3%D0%B8+%D0%B4%D0%BB%D1%8F+%D0%B0%D0%BD%D0%B4%D1%80%D0%BE%D0%B8%D0%B4+fb2&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4306/4306041_fose_fallout_3_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4306/4306048_mihail_krug_skachat_besplatno_cherez_torrent_vse_albomuy.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4306/4306489_skachat_film_mech_2_sezon_cherez_torrent_besplatno.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_off0002426c.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2426C 3556 bytes
font_01_sfnt_off00024fef.bin
cf1c5cd8fc95fe975b9e0fc0490c021800225129b2e8e0dd966992b123debfc6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24FEF 15192 bytes
font_02_sfnt_off00027ed6.bin
5539038e658857b7fa7c19e3efa7af582829fb115b0047a4cf3bc32c9050bebb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27ED6 14696 bytes
font_03_sfnt_off0002aa42.bin
e96809b7b6d00096f46bf55b9f154f69b4a1476f83fc7781caf8f0c601e6ff35		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AA42 6604 bytes
font_04_sfnt_off0002bd40.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BD40 6084 bytes
font_05_sfnt_off0002ccd5.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CCD5 3752 bytes

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