Malicious PDF — malware analysis report

Static analysis result for SHA-256 6ec2dae551360991…

MALICIOUS

PDF

184.1 KB Created: 2015-07-23 20:12:32 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: efc916e2166f7fd770ef28a73a36a101 SHA-1: 625fbf3ef869eff6d224cb1b0fef4b8ce215d5b3 SHA-256: 6ec2dae551360991b840131d20c3755fe24c0e66d74b6413a44408118836737c
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector. This indicates the document is likely part of a phishing or malware distribution campaign. No scripts were extracted, and the document body was truncated, limiting further analysis of the specific lure.

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%B1%D0%B8%D0%B1%D0%BB%D0%B8%D0%BE%D1%82%D0%B5%D0%BA%D0%B0+%D1%8D%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%BE%D0%BC%D0%BE%D0%BD%D1%82%D0%B5%D1%80%D0%B0+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184411_metod_freyda_2_sezon_skachat_torrent_vse_serii.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4183/4183187_lariat_iz_bisera_shema.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184293_yeksel_2007_skachat_besplatno.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_off00023e15.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23E15 3556 bytes
font_01_sfnt_off00024b98.bin
fa7f74ee1038ebeda828a4a1f4f2a5854f1c8e3ea8f34050bdc0519774009d5c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24B98 14300 bytes
font_02_sfnt_off000278b8.bin
d9676602b57c508f159198688157839227cd46e4ba6c3de9deadf74e0f4e3b34		 pdf-font-stream PDF embedded font (sfnt) at offset 0x278B8 14468 bytes
font_03_sfnt_off0002a36a.bin
cde1fa90076b48f9ad3202608856345b6b3b2703d4ff9642b23e64dacbe4818d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A36A 6656 bytes
font_04_sfnt_off0002b66d.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B66D 6084 bytes
font_05_sfnt_off0002c602.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C602 3752 bytes

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