Malicious PDF — malware analysis report

Static analysis result for SHA-256 a2ce4142a2acce4a…

MALICIOUS

PDF

183.8 KB Created: 2015-07-24 23:36:28 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: d08d50ec5f423648273739aed55a0952 SHA-1: e097faf7aa07e8fb6c0f7d5eabe1d5040b539146 SHA-256: a2ce4142a2acce4a70e06b836e647f07b9a9c33974d6da0d70d3eb5ec6722f07
150 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a critical finding for a malicious redirector link to 'botcraftman.ru'. The ML classifier also strongly indicated maliciousness. This suggests the PDF is designed to lure users to a malicious 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-8842896-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-8842896-0
  • 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%BA%D0%BE%D0%B4+%D0%B0%D0%BA%D1%82%D0%B8%D0%B2%D0%B0%D1%86%D0%B8%D0%B8+%D0%B4%D0%BB%D1%8F+cubase+7&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191030_dorozhnuye_znaki_v_kartinkah_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184480_kasting_vudmana_v_rossii_skachat_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186204_mirrors_edge_2_skachat_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a179.bin
d5e496b52648c5c3ee5ebf928948e47a0b80a4150ed613a37228bef275d9b07c		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A179 6940 bytes
font_00_sfnt_off00023c4a.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23C4A 3556 bytes
font_01_sfnt_off000249cd.bin
41342a90ed176349900c4cf7f1461f9607c61d1b4992dce1d96c95d0fba7e18a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x249CD 14380 bytes
font_02_sfnt_off00027636.bin
9c8b34950a09af7f3cf1c7f6b77f7d3e773b12bd78cfa1701561868166fdcf94		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27636 14644 bytes
font_04_sfnt_off0002b586.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B586 6084 bytes
font_05_sfnt_off0002c51b.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C51B 3752 bytes

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