Malicious PDF — malware analysis report

Static analysis result for SHA-256 ab614595b5e50a72…

MALICIOUS

PDF

186.8 KB Created: 2015-07-27 11:41:41 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: fd2b0a69fbef244f0d1ddb6287341a33 SHA-1: cd262ca0f62e460c52e48ab1789619ce4fcee7e9 SHA-256: ab614595b5e50a7245a40643892da64fd20340f367261e6d5f25b40bf072203c
90 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, indicating a likely phishing or malware distribution attempt. The ML classifier also flagged this PDF with high confidence. No scripts were extracted, and the document body was not parsable, limiting further analysis of the specific lure.

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%B8%D0%B3%D1%80%D1%8B+%D1%82%D1%80%D0%B8+%D0%B2+%D1%80%D1%8F%D0%B4+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE+%D0%BF%D0%BE%D0%BB%D0%BD%D1%8B%D0%B5+%D0%B2%D0%B5%D1%80%D1%81%D0%B8%D0%B8+%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//4221/4221176_foto_golaya_mama_pered_rebenkom.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4200/4200497_arkadiy_kobyakov_diskografiya_skachat_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4223/4223343_x3daudio1_7dll_dlya_windows_7_skachat_besplatno.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024752.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24752 3556 bytes
font_01_sfnt_off000254d5.bin
9769470058706c82634aba1956cf40beb15bfd07718afac05e3e23b0892c36d1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x254D5 14744 bytes
font_02_sfnt_off00028273.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28273 14468 bytes
font_03_sfnt_off0002ad25.bin
60a37b423556b385861b03edf485c55ca2c9c14ca2d6963ce3f22b3ef06febc8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AD25 6988 bytes
font_04_sfnt_off0002c156.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C156 6084 bytes
font_05_sfnt_off0002d0eb.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D0EB 3752 bytes

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