Malicious PDF — malware analysis report

Static analysis result for SHA-256 53a12fa796fb4144…

MALICIOUS

PDF

187.8 KB Created: 2015-07-24 05:33:27 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 9466894a7d677c2c118a9b2306cf419c SHA-1: f31f148ddb37752f794752a1a0386139127e08ec SHA-256: 53a12fa796fb4144fef20b61780a53ec860bcf58a18a11f78f3a510f8afee468
68 Risk Score

Malware Insights

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

The PDF file contains an embedded JavaScript stream and a critical heuristic firing for a malicious redirector link. The link points to 'http://botcraftman.ru/', which is identified as malicious infrastructure. This suggests the document is designed to redirect users to a harmful site, likely for phishing or malware distribution. No scripts were extracted to provide further detail on the payload.

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.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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%A2%D0%B5%D1%81%D1%82%D1%8B+%D0%BF%D0%BE+%D0%BC%D0%B0%D1%82%D0%B5%D0%BC%D0%B0%D1%82%D0%B8%D0%BA%D0%B5+2+%D0%BA%D0%BB%D0%B0%D1%81%D1%81+%D1%80%D1%83%D0%B4%D0%BD%D0%B8%D1%86%D0%BA%D0%B0%D1%8F+%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&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185517_skachat_espier_screen_locker_ios7_pro.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184971_skachat_multik_spanch_bob_8_sezon_cherez_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184640_mahabharata_skachat_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024a72.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24A72 3556 bytes
font_01_sfnt_off000257f5.bin
ed5be52a888f7b61b97d6d17519486ff4c54aeedd0a7678f72a01b0f35aee777		 pdf-font-stream PDF embedded font (sfnt) at offset 0x257F5 14576 bytes
font_02_sfnt_off000285fe.bin
a8c28ff59a65b28ee09e50dd1c7720660447add6a998d01502f877442c6e77ea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x285FE 14468 bytes
font_03_sfnt_off0002b0b0.bin
0429aa1f3adc401a15ba80881d725353f0473fcbe04b4f7833ed73555eff83e7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B0B0 7064 bytes
font_04_sfnt_off0002c537.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C537 6084 bytes
font_05_sfnt_off0002d4cc.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D4CC 3752 bytes

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