Malicious PDF — malware analysis report

Static analysis result for SHA-256 ad7bd64f19e71a73…

MALICIOUS

PDF

186.7 KB Created: 2015-07-24 00:15:23 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 714192bbe1c8e96c4ef60a077575c4d7 SHA-1: 0442c90d900bf84062050c1c6b78b67c197cffd6 SHA-256: ad7bd64f19e71a7332f25f49482a55a5712f015482d37ad82ca06e1dcb5adfcf
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment T1059.001 Command and Scripting Interpreter: PowerShell

The PDF file was detected as malicious by ClamAV and contains a critical heuristic firing for a malicious redirector link. The embedded URL `http://botcraftman.ru/` is identified as a known malicious redirector. This suggests the document's primary purpose is to lure the user into clicking the malicious link, likely to download and execute a secondary 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.
  • ClamAV: Pdf.Dropper.Agent-7494632-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7494632-0
  • 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%9E%D0%B1%D1%80%D0%B0%D0%B7%D0%B5%D1%86+%D1%85%D0%B0%D1%80%D0%B0%D0%BA%D1%82%D0%B5%D1%80%D0%B8%D1%81%D1%82%D0%B8%D0%BA%D0%B8+%D0%BD%D0%B0+%D1%81%D0%BF%D0%BE%D1%80%D1%82%D1%81%D0%BC%D0%B5%D0%BD%D0%B0+%D0%BE%D1%82+%D1%82%D1%80%D0%B5%D0%BD%D0%B5%D1%80%D0%B0&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184517_skachat_igru_maynkraft_s_modami_100_modov.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184621_toca_store_skachat_besplatno_na_android.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185221_koduy_dlya_tanki_onlayn_na_kristalluy_bez_skachivaniya.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002483b.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2483B 3556 bytes
font_01_sfnt_off000255be.bin
9d772f942333abf77143ce7d69970b4ac6cda6c20031ae7a4bbc313dde0e50b8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x255BE 14704 bytes
font_02_sfnt_off00028341.bin
0627de34e839737c03af0d9f30945bab194dadec018a1d0b90d3566f99dbb150		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28341 14532 bytes
font_03_sfnt_off0002ae30.bin
f62a50ffe5e069e65f6d8b32f43d90bbe167cd37fa4db9b8ca5430d2e382d825		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AE30 6624 bytes
font_04_sfnt_off0002c121.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C121 6084 bytes
font_05_sfnt_off0002d0b6.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D0B6 3752 bytes

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