Malicious PDF — malware analysis report

Static analysis result for SHA-256 047d30a450275fe8…

MALICIOUS

PDF

188.6 KB Created: 2015-07-29 19:54:21 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: c672de60f17ae2f099fc4ec49ac107ce SHA-1: 0504b2b331d5706c5fe01829cdb384653ab4b11a SHA-256: 047d30a450275fe8f087288f75839ea9b96f7b4bc737c9dc426fd61a2479395c
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a critical heuristic firing indicating a link to known malicious redirector infrastructure. The embedded URL `http://botcraftman.ru/...` is the primary indicator of malicious intent, likely serving as a lure for users to download further malware or submit sensitive information. No scripts were extracted, but the presence of a malicious redirector strongly suggests a phishing or malware distribution campaign.

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+%D1%81%D0%B8%D0%BC%D1%81+3+%D0%B1%D0%B5%D0%B7+%D0%B4%D0%BE%D0%BF%D0%BE%D0%BB%D0%BD%D0%B5%D0%BD%D0%B8%D0%B9+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%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://img1.liveinternet.ru/images/attach/c/5//4193/4193249_kitayskiy_app_store_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4226/4226361_vstavit_tekst_v_otkruytku.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4208/4208601_derevo_pozhelaniy_shablon_skachat.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_off00024dd9.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24DD9 3556 bytes
font_01_sfnt_off00025b5c.bin
baa508be2e71ddae2f67d93b264187d7bbe8070238dff9cf1b71b173c1686eef		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25B5C 15000 bytes
font_02_sfnt_off000289ab.bin
8fcb0373def2089f4050d604114efab1fb90fd41090bcaab965e0072af246115		 pdf-font-stream PDF embedded font (sfnt) at offset 0x289AB 14468 bytes
font_03_sfnt_off0002b457.bin
f581a06c08b292d2f19669adc8e7fe68c61f3f86c694247d1f48dcdbd4a63fb6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B457 7016 bytes
font_04_sfnt_off0002c8a3.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C8A3 6084 bytes
font_05_sfnt_off0002d838.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D838 3752 bytes

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