Malicious PDF — malware analysis report

Static analysis result for SHA-256 35c11643ee10a1c0…

MALICIOUS

PDF

185.1 KB Created: 2015-07-25 22:59:59 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: cb905e4bdadbeb259c4c515459cf3c4c SHA-1: 6ec3a2f313960d5eee0e43849243ee08d7b6374a SHA-256: 35c11643ee10a1c02c4edc7fefebac46d3a515af1774e6ed8b18bf9ec614d71e
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector. This indicates the document is likely a lure to direct users to a malicious website for phishing or malware distribution. No scripts were extracted, and the document body was truncated, limiting further analysis of the specific content.

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+%D0%B2%D1%81%D0%B5+%D0%B0%D0%BB%D1%8C%D0%B1%D0%BE%D0%BC%D1%8B+%D1%81%D1%82%D0%B0%D1%81%D0%B0+%D0%BC%D0%B8%D1%85%D0%B0%D0%B9%D0%BB%D0%BE%D0%B2%D0%B0+%D1%81+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82%D0%B0&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4201/4201747_kod_na_podpisku_v_igre_klub_pingvinov.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4199/4199216_prezentaciya_po_matematike_dlya_doshkolnikov.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4196/4196948_skachat_proydennuyu_gta_san_andreas_na_android.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000240d1.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x240D1 3556 bytes
font_01_sfnt_off00024e54.bin
2ba0418835babc34a77a02fb54502bf84322450aebcb9dac6eed2bc26f045c51		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24E54 14484 bytes
font_02_sfnt_off00027ba9.bin
a6626c0bd3595dc776735a93968cf26fa9368d0e017313712711ccf7ec06347e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27BA9 14532 bytes
font_03_sfnt_off0002a699.bin
4d8e997497d1dd9f2afaf99c1f5a1c2c8861444c8304bdafdf772becc7b533fb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A699 6952 bytes
font_04_sfnt_off0002baaa.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BAAA 6084 bytes
font_05_sfnt_off0002ca3f.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CA3F 3752 bytes

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