Malicious PDF — malware analysis report

Static analysis result for SHA-256 d5c4ac60fb067e61…

MALICIOUS

PDF

187.0 KB Created: 2015-07-23 20:47:11 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 937f52102b4bfd1172eec85cbd5962f4 SHA-1: 70a9ca37461cdcc8755273fd03e7f84360038b15 SHA-256: d5c4ac60fb067e61ac091db66c982eaa7352641312432d0518c02ed926d13573
120 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious Link

The PDF file was flagged as malicious due to a critical heuristic indicating a link to known malicious redirector infrastructure. The embedded URL 'http://botcraftman.ru/...' is the primary indicator of malicious intent, likely serving as a lure to download further malware or engage in phishing. No scripts were extracted, and the document body was not parsable.

Heuristics 3

  • 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.
  • ClamAV: Pdf.Dropper.Agent-7494900-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7494900-0
  • 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=sims+4+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82+%D0%B1%D0%B5%D0%B7+origin+%D0%BC%D0%B5%D1%85%D0%B0%D0%BD%D0%B8%D0%BA%D0%B8&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184545_realnuye_kimuy_egye_po_matematike_2015_5_iyunya.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184534_hspa_locker_13b_skachat_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4183/4183258_proekt_doma_5_na_5.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002abe4.bin
ae965605e9c9908f7c56cf265fc4928e3f259bcf34e1d8dbed1687adc667cf91		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2ABE4 7576 bytes
font_00_sfnt_off000243d8.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x243D8 3556 bytes
font_01_sfnt_off0002515b.bin
afcf7e0b60f673d903b2a42b61f3fc0822adafb73fdab1244abc564ee144fac2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2515B 15096 bytes
font_02_sfnt_off00027fd3.bin
6f78123569400525698a020b787c3d16c777d25b2fa7a9569bd8ec83e7642f2d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27FD3 14912 bytes
font_04_sfnt_off0002c217.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C217 6084 bytes
font_05_sfnt_off0002d1ac.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D1AC 3752 bytes

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