Malicious PDF — malware analysis report

Static analysis result for SHA-256 33e62d009b921626…

MALICIOUS

PDF

185.3 KB Created: 2015-08-08 10:40:02 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: b9cfcd5497331f85d952262a8728ef89 SHA-1: 9b4810288b8de0bbcc6958761361ad173ff6e1ae SHA-256: 33e62d009b9216266bbf9fbb53859c7e3fd7bfbf271ad791365288ec1dbc11e8
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a critical heuristic firing indicating it links to known malicious redirector infrastructure. The embedded URL `http://botcraftman.ru/...` is identified as a malicious redirector, likely intended to lead the user to a phishing page or download further malware. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.

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=whatsapp+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B4%D0%BB%D1%8F+%D0%BA%D0%BE%D0%BC%D0%BF%D1%8C%D1%8E%D1%82%D0%B5%D1%80%D0%B0&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384749_1s_otel_8_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385226_far_from_any_road_the_handsome_family_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384218_mobilnoe_televidenie_skachat.pdf
    • http://www.microsoft.com/typography/fonts/You
    • http://www.microsoft.com/typography/fonts/

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a65f.bin
8d056ba2c6b5d77e0955cb9909d82071b67f905452596a9b92d15a1cb0a38a9f		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A65F 7164 bytes
font_00_sfnt_off00024046.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24046 3556 bytes
font_01_sfnt_off00024dc9.bin
dbb377bc473a852449fc06982a1d529fdc1a96b5d7252e91d813b1d1a0b5949d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24DC9 14608 bytes
font_02_sfnt_off00027b32.bin
cb3cdeae5b43d7b471d7d61040b9fe0fe5ae1ea97f0a5c203806b936842a0fa4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27B32 14680 bytes
font_04_sfnt_off0002bb3f.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BB3F 6084 bytes
font_05_sfnt_off0002cad4.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CAD4 3752 bytes

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