Malicious PDF — malware analysis report

Static analysis result for SHA-256 e8e0f8ef5e6c1300…

MALICIOUS

PDF

183.6 KB Created: 2015-07-24 23:52:48 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 94761c547955f3306955d1e9163eab3b SHA-1: 3d7471170178d0dcc7703dc41d6b85fee95840f8 SHA-256: e8e0f8ef5e6c13009012695fa42038bd98a85ac6230fed5164e33d7f88d04938
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a link to known malicious redirector infrastructure. The embedded URL http://botcraftman.ru/?lip&keyword=Flashex+client+v212&charset=utf-8 is flagged as malicious. This suggests the document is designed to lure users to a compromised or malicious site. No scripts were extracted from this sample.

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=Flashex+client+v212&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4195/4195025_seosprint_hack_zip.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191539_gde_skachat_knigu_arhitekturnoe_materialovedenie_bayer_v_e.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192862_skachat_the_sims_4_redaktor_sozdaniya_personazha.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a29f.bin
9cf74e233a4a12dda92f003a1ecc090de12236946433926a89306c1188735aca		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A29F 6284 bytes
font_00_sfnt_off00023b3c.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23B3C 3556 bytes
font_01_sfnt_off000248bf.bin
263939273cd3cc86b49b3de529ddaaa75db641d666f9b0dce82450100c112988		 pdf-font-stream PDF embedded font (sfnt) at offset 0x248BF 14852 bytes
font_02_sfnt_off000276d0.bin
914c7c4e4c8b5c0c5ebc4bf9856f74d6ba746b4231d29987fb6498703e87eb65		 pdf-font-stream PDF embedded font (sfnt) at offset 0x276D0 14844 bytes
font_04_sfnt_off0002b474.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B474 6084 bytes
font_05_sfnt_off0002c409.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C409 3752 bytes

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