Malicious PDF — malware analysis report

Static analysis result for SHA-256 69f1ea3fa40dbeb5…

MALICIOUS

PDF

187.7 KB Created: 2015-07-26 13:02:45 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: bcbae215419236c0a83f6eb88237f9df SHA-1: 8e300e483513b83c2d612b1255eeb5f9b532709b SHA-256: 69f1ea3fa40dbeb50d4e90227cf2a0a70cc5f39ab44795bc3ac231b693650e87
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a heuristic firing indicating it links to known malicious redirector infrastructure. The ML classifier also flagged this PDF with high confidence. The embedded URL points to a domain associated with malicious activity, suggesting the document's purpose is to lure users to a harmful site. No scripts were extracted from this sample.

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%B1%D1%85%D0%BE%D0%B4%D0%BD%D0%BE%D0%B9+%D0%BB%D0%B8%D1%81%D1%82+%D0%BF%D1%80%D0%B8+%D1%83%D0%B2%D0%BE%D0%BB%D1%8C%D0%BD%D0%B5%D0%BD%D0%B8%D0%B8+%D0%BE%D0%B1%D1%80%D0%B0%D0%B7%D0%B5%D1%86+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%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/5//4204/4204569_podgotovka_k_gia_po_matematike_2015_9_klass_fipi.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185389_princessuy_zacharovannuyy_mir_skachat_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4197/4197259_skachat_strelyalki_na_kompyuter_cherez_torrent.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_off00024a8b.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24A8B 3556 bytes
font_01_sfnt_off0002580e.bin
325a55f4688537c158eb6c3e5546b6c5ab68827d94f781fef87a7932b8d49e95		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2580E 14312 bytes
font_02_sfnt_off00028543.bin
858de1ea0edee6589051d6c5805376be02fce034b392ea3476abe13984ffa707		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28543 14532 bytes
font_03_sfnt_off0002b030.bin
a77fb6de1ff25b2e4e58ee3d768a923a04becdfdd8180535b96eca68a6cc1a87		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B030 7132 bytes
font_04_sfnt_off0002c4f4.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C4F4 6084 bytes
font_05_sfnt_off0002d489.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D489 3752 bytes

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