Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ea107d0cb4bbdae…

MALICIOUS

PDF

185.4 KB Created: 2015-08-06 21:50:32 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: a9f949395645d59031489b13ccd2213a SHA-1: 7c53a977d5e151e62d5e2e2d22cafdddbd15f2ae SHA-256: 1ea107d0cb4bbdaef97319f465ba700fbfff55b7938fe0424e76c6848c34a540
90 Risk Score

Malware Insights

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

The PDF was flagged by a machine learning classifier and contains a link to a known malicious redirector. This indicates the document is likely a lure designed to redirect users to a malicious website for phishing or malware delivery. No scripts were extracted, limiting further analysis of the delivery mechanism.

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%80%D0%B0%D1%81%D0%BF%D0%B8%D1%81%D0%B0%D0%BD%D0%B8%D0%B5+%D1%8D%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%B5%D0%BA+%D0%BE%D0%B4%D0%B5%D1%81%D1%81%D0%B0+%D0%B7%D0%B0%D1%82%D0%BE%D0%BA%D0%B0&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4309/4309860_kommercheskoe_predlozhenie_po_prodazhe_tovara_obrazec.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4314/4314366_skachat_italyanskiy_ryep.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4316/4316653_rev_typ_25100.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024443.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24443 3556 bytes
font_01_sfnt_off000251c6.bin
b6a041b10ee18b058d55cc20315c7f963f0b1285dd09b6a8264ee121bc06d94a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x251C6 14328 bytes
font_02_sfnt_off00027e9c.bin
2faf238a7982558102f008fa2e03cbd823800727545a7f10afda32250c8cbf2a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27E9C 14468 bytes
font_03_sfnt_off0002a94f.bin
13fcc2abf6514337101444ac87adb18d52ad148fa33c247786f3df46787b7b71		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A94F 6532 bytes
font_04_sfnt_off0002bbf5.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BBF5 6084 bytes
font_05_sfnt_off0002cb8a.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CB8A 3752 bytes

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