Malicious PDF — malware analysis report

Static analysis result for SHA-256 a06717a11609032d…

MALICIOUS

PDF

187.4 KB Created: 2015-07-24 11:53:39 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 062db8c212865169c0f5393fda2be8f0 SHA-1: c2f3cd127b8a1b99a45699a1ab664351fe4d41c8 SHA-256: a06717a11609032d1c841e77b73a72154cf024a8a6c88a12096171c7c57f0658
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a link to a known malicious redirector infrastructure. This indicates the document is likely intended to lure users to a malicious site for phishing or malware delivery. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted, and the document body was truncated and uninformative.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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%B4%D0%B5%D1%82%D1%81%D0%BA%D0%B8%D0%B5+%D1%80%D0%B0%D0%BC%D0%BA%D0%B8+%D0%B4%D0%BB%D1%8F+%D0%BE%D1%84%D0%BE%D1%80%D0%BC%D0%BB%D0%B5%D0%BD%D0%B8%D1%8F+%D1%82%D0%B5%D0%BA%D1%81%D1%82%D0%B0+%D0%B2+word+%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/5//4190/4190885_skachat_binarnuyy_fayl_su_na_android.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189966_skachat_kaha_2_sezon_vse_serii_cherez_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191019_skachat_albom_anacondaz_bez_paniki_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024911.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24911 3556 bytes
font_01_sfnt_off00025694.bin
517bd1cb98c1e7723210cbbd3cefca39d40a93a98df5c83a7bbe55515b5d8626		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25694 14196 bytes
font_02_sfnt_off000282e9.bin
0949eb82b8c506227ad6aa88cb3889c45e3331fc4e4dbe000ef8f6665943a754		 pdf-font-stream PDF embedded font (sfnt) at offset 0x282E9 14536 bytes
font_03_sfnt_off0002add9.bin
b2fd445a4daba5327373e536114106a49924515212892867f5ed99fbc56d84e4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2ADD9 7440 bytes
font_04_sfnt_off0002c3a9.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C3A9 6084 bytes
font_05_sfnt_off0002d33e.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D33E 3752 bytes

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