Malicious PDF — malware analysis report

Static analysis result for SHA-256 74e60194871833b2…

MALICIOUS

PDF

187.7 KB Created: 2015-07-24 13:03:58 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 6e8087b78a45c760707e2f4495651bec SHA-1: 4d7ee3bd6f82b7afd6290b644d5c26e19c9b66fd SHA-256: 74e60194871833b23b46ec5bcbf2a6850f2a255505090041e1dd29eb9bdc4a3c
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document was flagged by multiple heuristics as malicious, specifically for containing a link to a known malicious redirector. The embedded URL `http://botcraftman.ru/...` is highly suspicious and likely serves as a lure to a phishing or malware distribution site. No scripts were extracted, but the presence of a malicious link strongly suggests an attempt to redirect the user to a harmful destination.

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=%D0%BE%D0%BD%D0%BB%D0%B0%D0%B9%D0%BD+%D0%B5%D0%B3%D1%8D+%D0%BF%D0%BE+%D1%80%D1%83%D1%81%D1%81%D0%BA%D0%BE%D0%BC%D1%83+%D1%8F%D0%B7%D1%8B%D0%BA%D1%83+11+%D0%BA%D0%BB%D0%B0%D1%81%D1%81+2015+%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://img1.liveinternet.ru/images/attach/c/5//4187/4187801_ramki_dlya_blagodarnostey_skachat_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189874_samodelnuye_skladnuye_lodki_chertezhi.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191933_skachat_igru_plants_vs_zombies_2_na_android.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_off0002472b.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2472B 3556 bytes
font_01_sfnt_off000254ae.bin
6c9f996666f3136d9ec09ff189e757ad034eef98d5d27edbb40e96d057eb5b42		 pdf-font-stream PDF embedded font (sfnt) at offset 0x254AE 15292 bytes
font_02_sfnt_off000283ec.bin
d129b2306b70ce91da7e21aa5dc95ff0e57120c5b3b157257a57119c7bcd55f4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x283EC 14640 bytes
font_03_sfnt_off0002af25.bin
9123a44077f7c0c8d0f0c4a4f12e0adfd3064368e485148d282873f0852cda94		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AF25 7388 bytes
font_04_sfnt_off0002c4e5.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C4E5 6084 bytes
font_05_sfnt_off0002d47a.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D47A 3752 bytes

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