Malicious PDF — malware analysis report

Static analysis result for SHA-256 62a3d6fd85df2d86…

MALICIOUS

PDF

186.5 KB Created: 2015-07-24 08:53:19 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 72a7f6bcf4141adef8feb6850350ed0a SHA-1: e66a5556e48d47b7a861b062a9bc8099a3385cc0 SHA-256: 62a3d6fd85df2d8640c9ef4f534308c08f669568b77c38e4978b125e758d7a77
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an embedded URL that is flagged as a malicious redirector. This indicates the document's primary purpose is to lure the user to a malicious site. No scripts were extracted, but the presence of a malicious link strongly suggests a phishing or malware distribution attempt.

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=%D0%BF%D1%80%D0%B8%D0%BC%D0%B5%D1%80%D1%8B+%D0%BD%D0%B0%D1%85%D0%BE%D0%B6%D0%B4%D0%B5%D0%BD%D0%B8%D1%8F+%D0%BD%D0%B5%D0%BE%D0%BF%D1%80%D0%B5%D0%B4%D0%B5%D0%BB%D0%B5%D0%BD%D0%BD%D1%8B%D1%85+%D0%B8%D0%BD%D1%82%D0%B5%D0%B3%D1%80%D0%B0%D0%BB%D0%BE%D0%B2&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187453_russkiy_yazuyk_vuysshaya_shkola_dudnikov_arbuzova_vorozhbickaya.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186235_windows_xp_sp3_zver_2013_skachat_torrent_besplatno_32_bit.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186261_skachat_bespalevnuyy_aim_kfg_dlya_ks_16.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_off0002453b.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2453B 3556 bytes
font_01_sfnt_off000252be.bin
ddf6c23d4862209f49a8940ef8c1c01e003f6b2b2e0d6e4a6ffc12a83579a360		 pdf-font-stream PDF embedded font (sfnt) at offset 0x252BE 14976 bytes
font_02_sfnt_off000281e3.bin
cf606cdc8ecd6b0b3333ed60481ce75c7a7f3e7d35a853591c3ed71fbd7aec07		 pdf-font-stream PDF embedded font (sfnt) at offset 0x281E3 14532 bytes
font_03_sfnt_off0002acd0.bin
ac00542e9785c68538ee6546c4099a105cf1a0b41e709ca36dc488f03f0be93a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2ACD0 6748 bytes
font_04_sfnt_off0002c028.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C028 6084 bytes
font_05_sfnt_off0002cfbd.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CFBD 3752 bytes

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