Malicious PDF — malware analysis report

Static analysis result for SHA-256 f1345ac95e4c135e…

MALICIOUS

PDF

186.1 KB Created: 2015-07-23 21:24:30 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 66cf1da6e7cd8e2afcc827b4c8a84af1 SHA-1: 4f005f525fe617dc79b4f84edadd9c64280c7ffc SHA-256: f1345ac95e4c135eb69c6170b2003c1b64b6f465aeef43207703dd8bdd03d057
120 Risk Score

Malware Insights

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

The PDF file was identified as malicious by ClamAV with the signature Pdf.Dropper.Agent-7493482-0. A critical heuristic firing indicated the presence of a PDF link pointing to known malicious redirector infrastructure at http://botcraftman.ru/. This suggests the document is intended to redirect users to a malicious site, likely for further exploitation or malware delivery.

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-7493482-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7493482-0
  • 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%93%D0%B0%D0%B9+%D0%B3%D0%BE%D0%B2%D0%B0%D1%80%D0%B4+%D1%82%D0%B5%D1%85%D0%BD%D0%B8%D0%BA%D0%B0+%D0%B5%D0%B2%D1%80%D0%BE%D0%BF%D0%B5%D0%B9%D1%81%D0%BA%D0%B8%D1%85+%D1%82%D0%B0%D0%BD%D1%86%D0%B5%D0%B2+pdf&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184700_rechnoy_vokzal_novosibirsk_raspisanie_teplohodov_2014.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184931_spravka_o_srednem_zarabotke_dlya_centra_zanyatosti_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184350_yesse_po_obschestvu_primeruy.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024267.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24267 3556 bytes
font_01_sfnt_off00024fea.bin
45340c68462a79db92fe9150949bf426eac0b158d76841927bfc9483248a4417		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24FEA 15100 bytes
font_02_sfnt_off00027fbb.bin
b8b338d50d0077e40ceec85f9cd42819e09f9873f6be56fed1af4309dc52089c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27FBB 14632 bytes
font_03_sfnt_off0002ab03.bin
a25c4ccdc37afbd709c6d47d314ec845cba098d1eeb78396f08247e89d280c06		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AB03 6796 bytes
font_04_sfnt_off0002be79.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BE79 6084 bytes
font_05_sfnt_off0002ce0e.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CE0E 3752 bytes

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