Malicious PDF — malware analysis report

Static analysis result for SHA-256 56f2c048e5c39140…

MALICIOUS

PDF

185.3 KB Created: 2015-07-24 23:55:53 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: f70860096c7e8c02b76078e4f01371d2 SHA-1: be60d26d50f4c71550e1390604495b3905cbc164 SHA-256: 56f2c048e5c391407a5ba0b6dc34437306d4faddbc0a1304f310054db9c01d6d
90 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, botcraftman.ru. This indicates an attempt to lure the user to a malicious site, likely for further exploitation or credential harvesting. The ML classifier also strongly flagged this PDF as malicious. 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=Magic+mp3+tagger+%D0%BA%D0%B0%D0%BA+%D0%BF%D0%BE%D0%BB%D1%8C%D0%B7%D0%BE%D0%B2%D0%B0%D1%82%D1%8C%D1%81%D1%8F&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4195/4195812_virtua_tennis_4_rusifikator_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4183/4183181_kuryatnik_shema.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192844_skachat_besplatno_landshaftnuyy_dizayn.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023e5f.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23E5F 3556 bytes
font_01_sfnt_off00024be2.bin
d0b26683e320aa9500c21cae2f33edbef1317a204eef8e56f84757333f831da2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24BE2 14960 bytes
font_02_sfnt_off00027a26.bin
076b5c877144c62269969eae1fbbb31863959a5ffb11f3624a77d2e03d26efa1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27A26 14744 bytes
font_03_sfnt_off0002a5ab.bin
208535765c1b27c92911b357aff84a3fb37f94a829fd5385889e6c34bbbed244		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A5AB 7444 bytes
font_04_sfnt_off0002bb7b.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BB7B 6084 bytes
font_05_sfnt_off0002cb10.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CB10 3752 bytes

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