Malicious PDF — malware analysis report

Static analysis result for SHA-256 e7f449c30904bbd6…

MALICIOUS

PDF

186.6 KB Created: 2015-07-23 20:05:51 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: e0173b5020434fdc7a4e4d25523233c9 SHA-1: e7693fbe1da09362b69586762fbffcf041b5faaf SHA-256: e7f449c30904bbd6ee9a6361df1f7f35e1c095bf9ee202c262a986e81fb159c8
152 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including ClamAV and a machine learning classifier, as malicious. A critical heuristic identified a link within the document pointing to known malicious redirector infrastructure at http://botcraftman.ru/. This suggests the PDF is intended to lure users to a dangerous site, likely for further exploitation or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

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-8790211-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-8790211-0
  • 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=%D0%BC%D0%B5%D1%82%D0%BE%D0%B4+%D1%84%D1%80%D0%B5%D0%B9%D0%B4%D0%B0+2+%D1%81%D0%B5%D0%B7%D0%BE%D0%BD+%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%B2%D1%81%D0%B5+%D1%81%D0%B5%D1%80%D0%B8%D0%B8&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4183/4183178_kuryatnik_proekt.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4183/4183177_kursovoy_proekt_po_arhitekture_zdaniy.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4183/4183251_ciklicheskiy_algoritm_blok_shema_primeruy.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000247b8.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x247B8 3556 bytes
font_01_sfnt_off0002553b.bin
d2112821c353374b0faff8d21c8452519b6323aca351d578f9069efa93a96da8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2553B 14400 bytes
font_02_sfnt_off0002823d.bin
a8c28ff59a65b28ee09e50dd1c7720660447add6a998d01502f877442c6e77ea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2823D 14468 bytes
font_03_sfnt_off0002acef.bin
c3519632123157bad46af4f38eb677e26c23cbf02b54b19c851a77ea9b0be4f5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2ACEF 6864 bytes
font_04_sfnt_off0002c0bc.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C0BC 6084 bytes
font_05_sfnt_off0002d051.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D051 3752 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.