Malicious PDF — malware analysis report

Static analysis result for SHA-256 117d5cb33dc6fec2…

MALICIOUS

PDF

187.1 KB Created: 2015-07-25 05:44:41 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 01e3abadb774f965d72b066469b7a4b9 SHA-1: 566cb6c29b7d0cca2c8c87c5362ab4e4fd1e84e4 SHA-256: 117d5cb33dc6fec268ec055891915d526a61b4e977721444f2d99d62ccf0d7ad
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by a critical heuristic for linking to a known malicious redirector. The ML classifier also assigned a high probability of maliciousness. The embedded URL likely serves as a lure to a phishing or malware distribution site, aligning with a spearphishing attachment attack pattern.

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=iron+maiden+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B4%D0%B8%D1%81%D0%BA%D0%BE%D0%B3%D1%80%D0%B0%D1%84%D0%B8%D1%8E+%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//4199/4199515_facerig_skachat_besplatno_na_russkom_na_kompyuter.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191178_mod_na_stalker_chistoe_nebo_modern_mod_skachat_na_versiyu_1_5_10.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192295_skachat_skinuy_dlya_minecraft_pe.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_off000246bf.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x246BF 3556 bytes
font_01_sfnt_off00025442.bin
8d820f9c04a466ae3b82a32df0a0277ec68587d4bc92473c9d7c83ce2851002d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25442 14712 bytes
font_02_sfnt_off000281fe.bin
b17e18ff89e2bfbde89a25c9c2e6fb9746dfca8e624c2adc6c168ce295cf110c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x281FE 14632 bytes
font_03_sfnt_off0002ad22.bin
05faedfbb757a820af79c2894197ea6b727588318d98fe51e60c0540259122da		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AD22 7372 bytes
font_04_sfnt_off0002c28f.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C28F 6084 bytes
font_05_sfnt_off0002d224.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D224 3752 bytes

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