Malicious PDF — malware analysis report

Static analysis result for SHA-256 68d7e95c05de500c…

MALICIOUS

PDF

187.1 KB Created: 2015-07-25 05:51:57 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 44ce2e20e22444bd0f8821c2b13170e4 SHA-1: ad11efe5b644e3d5158280a08cc625fbb45f5c39 SHA-256: 68d7e95c05de500cc66e154007a9ea01a77ede0a6d1f42fd030bb4023b42b800
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an embedded URL that is flagged as a malicious redirector. This indicates the document is likely designed to lure users to a compromised or malicious site, potentially for downloading further malware or engaging in phishing. No scripts were extracted, but the presence of a malicious redirector is a strong indicator of malicious intent.

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+sony+vegas+pro+11+%D1%80%D1%83%D1%81%D1%81%D0%BA%D0%B0%D1%8F+%D0%B2%D0%B5%D1%80%D1%81%D0%B8%D1%8F+%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//4197/4197992_logopedicheskie_kartochki_dlya_razvitiya_rechi_skachat_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4197/4197276_skachat_programmu_dlya_skachivanie_video.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191457_movavi_video_editor_10.pdf
    • http://www.microsoft.com/typography/fonts/You
    • http://www.microsoft.com/typography/fonts/

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002ac07.bin
230b6990cf16cc83d827560312c878ab2d82ca8ec6ed9fca3e27582d915a09d1		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2AC07 7628 bytes
font_00_sfnt_off000245f5.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x245F5 3556 bytes
font_01_sfnt_off00025378.bin
52a9389afec9fd580d03798f0fb9dae767a7a61b63f84e64e99bbc31406452cd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25378 14812 bytes
font_02_sfnt_off00028123.bin
1f876915b52cdb7e97e0992962a0c95a544283887f1ae4cc6749689c7e3cdc1a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28123 14516 bytes
font_04_sfnt_off0002c26c.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C26C 6084 bytes
font_05_sfnt_off0002d201.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D201 3752 bytes

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