Malicious PDF — malware analysis report

Static analysis result for SHA-256 77084b172699fc63…

MALICIOUS

PDF

186.0 KB Created: 2015-07-24 11:48:32 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 8f37c3100fbccfeba6f2eaffcd897d17 SHA-1: b405edc9701e9ea3830af7c905b76c01bd10741a SHA-256: 77084b172699fc636b8eb1ee764e0a6c77a8b8e4208ef9bca2ec32c0364af8d5
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by multiple heuristics, including a critical finding for a PDF redirector link to a known malicious domain. The embedded URL points to 'botcraftman.ru', which is flagged as a malicious redirector. This suggests the document's primary purpose is to lure the user to this malicious site, likely for phishing or further malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

Heuristics 3

  • 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.
  • ClamAV: Pdf.Dropper.Agent-8787825-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-8787825-0
  • 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%D1%85%D0%BE%D0%B4%D0%BD%D0%BE+%D0%BA%D0%B0%D1%81%D1%81%D0%BE%D0%B2%D1%8B%D0%B9+%D0%BE%D1%80%D0%B4%D0%B5%D1%80+%D0%B1%D0%BB%D0%B0%D0%BD%D0%BA+%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//4186/4186342_denis_maydanov_vse_pesni_skachat_besplatno_cherez_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184589_android_system_recovery_3e_instrukciya.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192176_skachat_besplatno_programmu_pattern_maker_na_russkom_yazuyke.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_off00024436.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24436 3556 bytes
font_01_sfnt_off000251b9.bin
65b3cc73cfe2d4fbae52a0b3bd8d2f28b2103cbf0510eb54501ede8d82064214		 pdf-font-stream PDF embedded font (sfnt) at offset 0x251B9 14664 bytes
font_02_sfnt_off00027f69.bin
858de1ea0edee6589051d6c5805376be02fce034b392ea3476abe13984ffa707		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27F69 14532 bytes
font_03_sfnt_off0002aa56.bin
ff78356bba490765a76dd9b90fff1fa507aa7b14f0e5a88976da853591f31cd4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AA56 6880 bytes
font_04_sfnt_off0002be23.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BE23 6084 bytes
font_05_sfnt_off0002cdb8.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CDB8 3752 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.