Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e068ad0dcf7bd6d…

MALICIOUS

PDF

187.7 KB Created: 2015-07-23 20:54:50 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: c96357f11c836e2e7a59e8115edc86c0 SHA-1: 9a629c96509ed46ae041744f44d374539287e07a SHA-256: 7e068ad0dcf7bd6dd571309cb57425ab889a79a48a3d6cd5b292169999bc4f40
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link to a known malicious redirector, indicating an attempt to lure the user to a harmful site. The ML classifier also flagged this PDF with high confidence. While no scripts were explicitly extracted, the presence of embedded URLs and the heuristic firings strongly suggest malicious intent, likely related to phishing or malware delivery.

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%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D0%B0+%D1%80%D0%B0%D0%B7%D0%B2%D0%B8%D1%82%D0%B8%D1%8F+%D0%B4%D0%BE%D1%83+%D0%B2+%D1%81%D0%BE%D0%BE%D1%82%D0%B2%D0%B5%D1%82%D1%81%D1%82%D0%B2%D0%B8%D0%B8+%D1%81+%D1%84%D0%B3%D0%BE%D1%81+2014-2018%D0%B3&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4183/4183183_kurchatovskiy_proekt_shkoluy.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184474_skachat_knigi_igra_prestolov_vse_chasti_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184435_nyensi_dryu_prizrak_venecii_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_off00024af9.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24AF9 3556 bytes
font_01_sfnt_off0002587c.bin
9a3b4acd4109a461791927344f691d6903c336e74b1851b1702f0afd81d59ff7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2587C 14240 bytes
font_02_sfnt_off00028551.bin
0ad82bafcf756deb510cf89d3c197575f920b524044435a12b7cc3b30194c89f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28551 14468 bytes
font_03_sfnt_off0002b002.bin
e626fe2b0ec3dcf7f499e24eeabe49acd737d6c192402b17d0782005103a799b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B002 7192 bytes
font_04_sfnt_off0002c522.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C522 6084 bytes
font_05_sfnt_off0002d4b7.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D4B7 3752 bytes

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