Malicious PDF — malware analysis report

Static analysis result for SHA-256 52b3f78358df9f17…

MALICIOUS

PDF

185.7 KB Created: 2015-07-24 00:50:43 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 737aa5d93557d21e4f465106de580d3a SHA-1: 85cb384f9bae4d958f616119a3378c633dad5143 SHA-256: 52b3f78358df9f178b16d61b4af13a528ffc6a855c939ee9c4cacdfd24e0b240
60 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector. This indicates an attempt to lure the user to a malicious site, likely for phishing or to download further malware. No scripts were extracted, and the document body was not parsable, limiting the analysis of the exact lure. The primary IOC is the malicious 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%80%D0%B5%D1%88%D1%83+%D0%B5%D0%B3%D1%8D+%D0%BF%D0%BE+%D0%B8%D1%81%D1%82%D0%BE%D1%80%D0%B8%D0%B8+2015+%D0%BE%D0%BD%D0%BB%D0%B0%D0%B9%D0%BD&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184365_mortal_kombat_vs_dc_universe_pc_skachat_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184465_testovuye_zadaniya_po_russkomu_yazuyku_4_klass.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184297_skachat_stalker_chistoe_nebo_torrent_besplatno.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024208.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24208 3556 bytes
font_01_sfnt_off00024f8b.bin
16edaf2eb5308ab9132c5ba7e83f55abd2137f6bb336d36f3e78f0f292fb98f1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24F8B 15140 bytes
font_02_sfnt_off00027e2d.bin
82dee4e2b25c14d020dd9f94676c2c76773386b9212054d206bbe2aec02096cd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27E2D 14700 bytes
font_03_sfnt_off0002a986.bin
d3b88e2b231f7d383f4a956c2a6fe93d76677fe310c5bbe4ce722e6b26f69188		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A986 6724 bytes
font_04_sfnt_off0002bce0.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BCE0 6084 bytes
font_05_sfnt_off0002cc75.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CC75 3752 bytes

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