Malicious PDF — malware analysis report

Static analysis result for SHA-256 0f72bde444f96d97…

MALICIOUS

PDF

184.8 KB Created: 2015-08-05 13:39:18 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 919fb4f3c1041cb505dc8cacb04262f3 SHA-1: 002cefae5457c2fb17e62480ff5c2427252e9d84 SHA-256: 0f72bde444f96d9752b16ed58420e0b2912a7d1dbe445ec44c5072c8bc3442f5
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 highly suspicious and likely serves as a lure to a malicious site. While no scripts were explicitly extracted, the PDF structure and the malicious link suggest an attempt to trick the user into visiting a compromised or malicious domain, potentially for further exploitation or credential harvesting.

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+%D0%B0%D0%B2%D1%82%D0%BE%D0%BA%D0%B0%D0%B4+2010+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304605_dogovor_dareniya_nedvizhimosti_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304584_poliklinika_na_bebelya_160_raspisanie_vrachey.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304545_lesnaya_bratva_skachat_igru.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_off00024010.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24010 3556 bytes
font_01_sfnt_off00024d93.bin
c422f23d98d865f81a9dfe8f18b6fa3f522b6cbb66349ceb6729875a42392eb0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24D93 14304 bytes
font_02_sfnt_off00027a8c.bin
a949981b14503b518f9ab23f757515b5b10c80369f86701cc36d0972d8422450		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27A8C 14468 bytes
font_03_sfnt_off0002a541.bin
a3ee733210b9e23182ffe764162b91061e2306b61e5caafa6141fbbd287e8f1e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A541 6976 bytes
font_04_sfnt_off0002b98a.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B98A 6084 bytes
font_05_sfnt_off0002c91f.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C91F 3752 bytes

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