Malicious PDF — malware analysis report

Static analysis result for SHA-256 45e069c5499a5001…

MALICIOUS

PDF

185.5 KB Created: 2015-07-25 05:49:16 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 19b368996301a2bbac8463206b9bceb2 SHA-1: 2d46540a964bf4275bbfd9a8a3eb315300575d88 SHA-256: 45e069c5499a50011b08aeae6abfc0622b76c9f0b9745d87e2c220141cfdaa5c
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector, botcraftman.ru. This suggests the document is designed to lure users to a malicious website. No scripts were extracted, and the document body was truncated, limiting further analysis of the exact lure.

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%BF%D0%BE%D0%B4%D0%B3%D0%BE%D1%82%D0%BE%D0%B2%D0%BA%D0%B0+%D0%BA+%D1%86%D1%82+%D0%BF%D0%BE+%D0%B8%D1%81%D1%82%D0%BE%D1%80%D0%B8%D0%B8+%D0%B1%D0%B5%D0%BB%D0%B0%D1%80%D1%83%D1%81%D0%B8&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192336_greguar_delakur_shkatulka_zhelaniy_skachat_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4193/4193352_budilnik_na_kompyuter_skachat_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186277_antiplagiat_proverit_tekst.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000242e9.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x242E9 3556 bytes
font_01_sfnt_off0002506c.bin
00306f3dcb39bf96e2f4684ecc02c0f59fc1b08bf8762428699b85c2f7771501		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2506C 14664 bytes
font_02_sfnt_off00027e7c.bin
dde8cb3db78f49492d397de1013a074ab9c596bc0508faa33f94bd64189db0ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27E7C 14468 bytes
font_03_sfnt_off0002a92f.bin
5aa94ebb891eb600ac64461bd5d7de63efa0110b2240cfaf9018224e83036574		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A92F 6596 bytes
font_04_sfnt_off0002bc10.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BC10 6084 bytes
font_05_sfnt_off0002cba5.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CBA5 3752 bytes

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