Malicious PDF — malware analysis report

Static analysis result for SHA-256 0fc0c1ce86f2c16f…

MALICIOUS

PDF

185.2 KB Created: 2015-07-24 11:25:49 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 171849837924dbbe881f579df7cfb3b0 SHA-1: 8e77e63aea10c37b911ea33f372c81d4c4df39f6 SHA-256: 0fc0c1ce86f2c16fa7efcd53869dc1d71cfe9cf62ceb4586411d81741449bf57
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF was flagged by a critical heuristic for linking to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/..., is likely part of a phishing or malware distribution chain. No scripts were extracted, but the presence of a malicious link strongly suggests the document's intent is to lure the user to a harmful site.

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=%D0%BF%D0%BB%D0%B5%D0%B5%D1%80+%D0%B4%D0%BB%D1%8F+%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE%D1%80%D0%B5%D0%B3%D0%B8%D1%81%D1%82%D1%80%D0%B0%D1%82%D0%BE%D1%80%D0%B0+%D1%81+gps+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184844_tabel_vuyhoda_na_rabotu_blank_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184730_si_sharp_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191910_prishlo_vremya_lyubit_skachat_torrent.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_off0002a6d5.bin
df9681b767f963339d6818f91ab0517a605b049b3538bcd51635bab29d27734b		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A6D5 7004 bytes
font_00_sfnt_off00024284.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24284 3556 bytes
font_01_sfnt_off00025007.bin
af5763176111319228471e4c2888d34f35a9e6d2fd49a2d293700b1ef8dccad3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25007 14092 bytes
font_02_sfnt_off00027c21.bin
7fc28fac1cc35d0f4a563cd438b50990a6dd2d957b25da652e4ed05fa67441c1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27C21 14468 bytes
font_04_sfnt_off0002bb1b.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BB1B 6084 bytes
font_05_sfnt_off0002cab0.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CAB0 3752 bytes

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