Malicious PDF — malware analysis report

Static analysis result for SHA-256 9c3f6db47f54cf41…

MALICIOUS

PDF

187.7 KB Created: 2015-07-23 20:33:30 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 52c09af099f7877e877c97d7f38c7009 SHA-1: 021d4bb8dbd9d3f079075b6c8ec454e999bde039 SHA-256: 9c3f6db47f54cf417c73712bce45d5923be19499aab515c5daebc2319fbe2022
60 Risk Score

Malware Insights

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

The PDF file was flagged for containing a link to a known malicious redirector. This indicates a likely attempt to lure the user to a malicious website for phishing or malware delivery. No scripts were extracted, and the document body was truncated, limiting further analysis of the specific lure. The primary IOC is the malicious redirector URL.

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=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BC%D0%BE%D0%B4+%D0%BF%D0%BE%D0%B2%D0%B5%D0%BB%D0%B8%D1%82%D0%B5%D0%BB%D1%8C+%D0%B7%D0%BE%D0%BD%D1%8B+%D0%BD%D0%B0+%D1%81%D1%82%D0%B0%D0%BB%D0%BA%D0%B5%D1%80+%D1%82%D0%B5%D0%BD%D1%8C+%D1%87%D0%B5%D1%80%D0%BD%D0%BE%D0%B1%D1%8B%D0%BB%D1%8F&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184485_skachat_besplatno_knigu_na_50_ottenkov_temnee_dlya_android.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184543_skachat_chit_na_rubinuy_v_boy_s_tenyu_v_odnoklassnikah_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184448_rezultatuy_egye_po_matematike_2015_rostovskaya_oblast.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000249a4.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x249A4 3556 bytes
font_01_sfnt_off00025727.bin
bbb7c083cf8bb3b9ee8da553df12c11fa962934a0a4f0be141e1d5754ccbdc47		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25727 14712 bytes
font_02_sfnt_off00028557.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28557 14468 bytes
font_03_sfnt_off0002b009.bin
0accad7c8d823dd9381a60cbe838b6601916bad0c3408e73577dc0a10328a9ca		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B009 7176 bytes
font_04_sfnt_off0002c4e9.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C4E9 6084 bytes
font_05_sfnt_off0002d47e.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D47E 3752 bytes

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