Malicious PDF — malware analysis report

Static analysis result for SHA-256 1c062c0de0f67960…

MALICIOUS

PDF

185.8 KB Created: 2015-08-05 15:54:30 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 668da8d92dc4429f100fdc2ae639df6a SHA-1: 86673acd4c057fa32944ded8aa9afa02cb7785c9 SHA-256: 1c062c0de0f679609ec8f26dae9b3e7ce3f37993e2a84ce881dd4fad80db3b41
120 Risk Score

Malware Insights

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

The PDF file was identified as malicious by ClamAV and contains a critical heuristic firing for a malicious redirector link. The embedded URL `http://botcraftman.ru/...` is flagged as malicious and likely serves as a lure to a phishing site or a distribution point for further malware. No scripts were extracted, but the presence of the malicious link is sufficient evidence of malicious intent.

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-9084516-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-9084516-0
  • 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=%D1%80%D0%B0%D1%81%D0%BF%D0%B8%D1%81%D0%B0%D0%BD%D0%B8%D0%B5+%D0%B0%D0%B2%D1%82%D0%BE%D0%B1%D1%83%D1%81%D0%BE%D0%B2+%D0%BF%D0%BE+%D0%B3%D0%BE%D1%80%D0%BE%D0%B4%D1%83+%D0%B1%D0%B8%D0%B9%D1%81%D0%BA%D1%83&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4305/4305492_villi_tokarev_skachat_besplatno_vse_albomuy_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4305/4305801_skachat_gta_san_andreas_na_android_s_keshem.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304656_kumikumi_skachat_torrent_vse_serii_2_sezon.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002454b.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2454B 3556 bytes
font_01_sfnt_off000252ce.bin
17532ff4f0d8b12401f8e6b2f1848cef0abf9a205e11d7a7c94c775a1e883f63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x252CE 14284 bytes
font_02_sfnt_off00027fb2.bin
dde8cb3db78f49492d397de1013a074ab9c596bc0508faa33f94bd64189db0ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27FB2 14468 bytes
font_03_sfnt_off0002aa65.bin
520965c65a0eb2dc48cf00718e06431e042113d0a61ae5909823bacbda5b5f53		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AA65 6660 bytes
font_04_sfnt_off0002bd65.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BD65 6084 bytes
font_05_sfnt_off0002ccfa.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CCFA 3752 bytes

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