Malicious PDF — malware analysis report

Static analysis result for SHA-256 9154ddd8b7fcdea0…

MALICIOUS

PDF

188.0 KB Created: 2015-07-24 09:20:08 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: a1e58e2083096325970ba102b5626062 SHA-1: a322b79b962f8872f2d0c36700a3cf2df4b86066 SHA-256: 9154ddd8b7fcdea00809f65e602d10683cf15e03dbcdbe92bc3fc9986ccaee79
90 Risk Score

Malware Insights

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

The PDF document was flagged by a machine learning classifier and contains a link to a known malicious redirector. This indicates the document is likely part of a phishing or malware distribution campaign. No scripts were extracted, and the document body was truncated, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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=%D0%BF%D1%80%D0%B5%D0%B7%D0%B5%D0%BD%D1%82%D0%B0%D1%86%D0%B8%D1%8F+%D0%BF%D0%BE%D0%B7%D0%B4%D1%80%D0%B0%D0%B2%D0%BB%D0%B5%D0%BD%D0%B8%D0%B5+%D1%81+%D0%B4%D0%BD%D0%B5%D0%BC+%D1%80%D0%BE%D0%B6%D0%B4%D0%B5%D0%BD%D0%B8%D1%8F+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189228_google_earth_dlya_android_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4188/4188321_programmuy_dlya_vzloma_igr_na_android_bez_root.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185027_skachat_perevodchik_gugl_na_android.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024a44.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24A44 3556 bytes
font_01_sfnt_off000257c7.bin
4c18fe2cf742759dc3e49a11472a1dea151c68b72f1b98aa3ae1a289728a657c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x257C7 15136 bytes
font_02_sfnt_off0002867b.bin
fbe4af72ea4b6832e02f3a94d39805fe74296d1f62d5d4f3c350b4dd983b7d89		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2867B 14468 bytes
font_03_sfnt_off0002b129.bin
0eb7d075f4e10fe73d84cdff42627d87fa992e1e893718f74366914ef7e3f80f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B129 7248 bytes
font_04_sfnt_off0002c63b.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C63B 6084 bytes
font_05_sfnt_off0002d5d0.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D5D0 3752 bytes

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