Malicious PDF — malware analysis report

Static analysis result for SHA-256 0bded798fa69ab80…

MALICIOUS

PDF

185.4 KB Created: 2015-08-08 10:53:37 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 66d13b9114b4ff9295f0dfe738a35a59 SHA-1: cc9850a3e36457d8fd58a01ea8fc77573924173c SHA-256: 0bded798fa69ab80365da4e14122abe779d1a54fbe439277f20bb60ed05fff30
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by a critical heuristic for linking to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/, is likely part of a phishing or malware distribution scheme. No scripts were extracted, but the presence of a malicious link strongly suggests an attempt to redirect the user to a harmful site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

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+god+of+war+2+%D0%BD%D0%B0+pc+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4386/4386044_goluye_devushki_s_malenkoy_grudyu.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384904_vzlomannaya_shadow_fight_2.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384885_taynaya_zhizn_koshek_skachat_torrent.pdf
    • http://www.microsoft.com/typography/fonts/
    • http://www.microsoft.com/typography/fonts/You

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023f7b.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23F7B 3556 bytes
font_01_sfnt_off00024cfe.bin
9108a4bdd62f76154dd988bb4939e73743b6d420f4419f7d410214682ae77e4d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24CFE 15064 bytes
font_02_sfnt_off00027be1.bin
b9b0dd91da142f0c5060dce6378e8af466d6cf1990de4d9f588dafebfab60a78		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27BE1 14636 bytes
font_03_sfnt_off0002a728.bin
9bf51694446f63ddc66c658388b9decedc2d20540e76821622656749e0c3725c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A728 7144 bytes
font_04_sfnt_off0002bbea.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BBEA 6084 bytes
font_05_sfnt_off0002cb7f.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CB7F 3752 bytes

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