Malicious PDF — malware analysis report

Static analysis result for SHA-256 edab6c6507570752…

MALICIOUS

PDF

183.4 KB Created: 2015-08-08 13:21:49 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: f8477265866288055b711476ee401bab SHA-1: c3837ef0d70b646bb37653cc63386308c876a992 SHA-256: edab6c650757075270b3cb501d243475bfb96ff880a77897da45631c15aef679
90 Risk Score

Malware Insights

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

The PDF file was flagged by a critical heuristic for linking to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/, is identified as a malicious redirector. This suggests the document's primary purpose is to lure users to a potentially harmful website. No scripts were extracted, and the document body was not parsable.

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=sony+%D0%BD%D0%B0+windows+phone&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4386/4386069_igra_blokada_igrat_onlayn.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4387/4387217_kostyum_snegurochki_vuykroyka.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384232_skachat_operu_mini_na_nokiya_5230.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a191.bin
9126f8215d250085acbfe571d5fa83b1d8de83895e7e4a0aa07bae8f95331937		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A191 6396 bytes
font_00_sfnt_off00023993.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23993 3556 bytes
font_01_sfnt_off00024716.bin
4576658de24b238d1bcaf5a24b30e5b50eabddc8b4322879d3c7981a4070c4fd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24716 14984 bytes
font_02_sfnt_off000275d5.bin
bacc03417f2ba14abab45368f7c40482c1b7421783f275112b64b2d912720218		 pdf-font-stream PDF embedded font (sfnt) at offset 0x275D5 14852 bytes
font_04_sfnt_off0002b39e.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B39E 6084 bytes
font_05_sfnt_off0002c333.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C333 3752 bytes

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