Malicious PDF — malware analysis report

Static analysis result for SHA-256 6957aba463494cc8…

MALICIOUS

PDF

184.8 KB Created: 2015-08-08 11:48:40 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: ddb6d163544b4e0ecf1402c7ad91a1d4 SHA-1: 630a4e59259dd82e65290cb02ab51bdf7fffad75 SHA-256: 6957aba463494cc86ec09305ce9b3e2a9b9f09b77d39eb1076b541499e6a38bc
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 designed to lure the user to a malicious site, likely for phishing or to download further malware. 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+%D0%BD%D0%B0+%D1%84%D0%BB%D0%B5%D1%88%D0%BA%D1%83+%D0%BC%D1%83%D0%B7%D1%8B%D0%BA%D1%83+%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/6//4386/4386483_s_dnem_rozhdeniya_i_ya_i_ya_pozdravlyayu_tebya_tekst_pesni.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385500_medialog_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385876_programmist_chpu.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_off00023fed.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23FED 3556 bytes
font_01_sfnt_off00024d70.bin
6983506d5e8fca5e3c38b0823326699e2e125e58de8b9f5a326582b6109dcd2b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24D70 14300 bytes
font_02_sfnt_off00027a64.bin
8c5e5bc4674cee60ec6c1619e60533ff44be00efca6b5f228c587d2f19a61a12		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27A64 14520 bytes
font_03_sfnt_off0002a533.bin
3df4f9a43c54955148713cb7e60f67df96a1c3fd8fe9d8e763b947b15ea1f3cb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A533 6972 bytes
font_04_sfnt_off0002b96b.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B96B 6084 bytes
font_05_sfnt_off0002c900.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C900 3752 bytes

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