Malicious PDF — malware analysis report

Static analysis result for SHA-256 ffc8206d49f73baf…

MALICIOUS

PDF

189.1 KB Created: 2015-07-24 08:38:26 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 9770cddc2de17e58d422461176290c0a SHA-1: a3e777f5f176ef6a97f89f543f429bcf97095a18 SHA-256: ffc8206d49f73baf099df28f02c7e78b130d8ebd222a5035372e3b62fb8c2eda
90 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics as malicious, specifically for containing a link to a known malicious redirector. The ML classifier assigned a high probability of maliciousness. The embedded URL points to botcraftman.ru, which is associated with malicious redirector activity. No scripts were extracted, and the document body was truncated, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

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=%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+%D1%81%D0%B5%D1%80%D0%B8%D0%B0%D0%BB+%D0%B8%D0%B3%D1%80%D0%B0+%D0%BF%D1%80%D0%B5%D1%81%D1%82%D0%BE%D0%BB%D0%BE%D0%B2+2+%D1%81%D0%B5%D0%B7%D0%BE%D0%BD+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186606_skachat_igru_chuzhoy_protiv_hischnika_3_cherez_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185102_skachat_mod_na_evro_trek_simulyator_2_raciya.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184768_koduy_na_novuyy_chelovek_pauk_na_kostyumuy.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002500c.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2500C 3556 bytes
font_01_sfnt_off00025d8f.bin
a2f51bcf554d718ba6a4f2db8dd0f7ee1bb4c758594f631825f39c035560cf67		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25D8F 14848 bytes
font_02_sfnt_off00028bf0.bin
1bdb34460530df544f3708516b9bff2a8899c1e4c5605cca86f0484fc167616c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28BF0 14468 bytes
font_03_sfnt_off0002b6a2.bin
b665be5d14df80c066cdde06f872ecdaf768f05704a7b5702bb6a5ac366ee578		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B6A2 6880 bytes
font_04_sfnt_off0002ca84.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CA84 6084 bytes
font_05_sfnt_off0002da19.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2DA19 3752 bytes

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