Malicious PDF — malware analysis report

Static analysis result for SHA-256 a249dc05961c9622…

MALICIOUS

PDF

187.3 KB Created: 2015-07-27 04:29:28 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: dfa652b029864fa43aaea6d28c9ae24c SHA-1: e88620ebbaf76d505e2f3eb79d4c858bbbac30fb SHA-256: a249dc05961c962247ee3ee5b725ae8b7c1bd5d405f0f748a78ac220214477e0
92 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing indicating a link to known malicious redirector infrastructure. The primary malicious URL identified is http://botcraftman.ru/. This suggests the document's purpose is to lure the user to this malicious site, likely for phishing or to initiate a malware download. No scripts were extracted, but the presence of a malicious URL is sufficient evidence for this assessment.

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%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D1%83+%D0%B7%D0%BE%D0%BD%D1%83+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE+%D0%BD%D0%B0+%D1%80%D1%83%D1%81%D1%81%D0%BA%D0%BE%D0%BC+%D1%8F%D0%B7%D1%8B%D0%BA%D0%B5&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4197/4197350_corel_drawings_x3_skachat_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4221/4221054_programma_dlya_vzloma_igr_na_iphone.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4214/4214967_dnevnik_po_proizvodstvennoy_praktike_traktorista.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024928.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24928 3556 bytes
font_01_sfnt_off000256ab.bin
ffb5c49b9d54d42a53b27c5b4820894eba2221eb01c31247291435e8a712710f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x256AB 14824 bytes
font_02_sfnt_off0002842e.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2842E 14468 bytes
font_03_sfnt_off0002aee0.bin
e0bc7ad9fa663d2de085376c652e1ea74a35f2268b729df06ee4db863377b7ff		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AEE0 7016 bytes
font_04_sfnt_off0002c33f.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C33F 6084 bytes
font_05_sfnt_off0002d2d4.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D2D4 3752 bytes

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