Malicious PDF — malware analysis report

Static analysis result for SHA-256 013dae993acbf99f…

MALICIOUS

PDF

187.3 KB Created: 2015-08-06 16:54:10 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 5100913d6e8d367b10777cd171468bfb SHA-1: f321348e104d4c099ad69e967cc25d0bd128e782 SHA-256: 013dae993acbf99fbc98e32b11a3345cd3e5b045199aa6303ae959091a928294
92 Risk Score

Malware Insights

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

The PDF document was flagged by a critical heuristic for linking to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/..., is the primary indicator of malicious intent. No scripts were extracted, and the document body was not parsable, but the presence of this malicious link strongly suggests a phishing or redirection attempt.

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+%D1%81%D0%B5%D1%80%D0%B8%D0%B0%D0%BB+%D1%84%D0%BB%D0%B5%D1%88+%D1%81%D0%B5%D0%B7%D0%BE%D0%BD+1+2+%D1%81%D0%B5%D1%80%D0%B8%D1%8F+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4313/4313774_skachat_cleo__c_dlya_samp_03z.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4309/4309815_prestuplenie_i_nakazanie_audiokniga_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304876_audirovanie_po_francuzskomu_yazuyku_dlya_nachinayuschih.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_off0002489a.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2489A 3556 bytes
font_01_sfnt_off0002561d.bin
13d41d0416c566e602599fdc2fab9e7913a279281b2a49a2367d91d125375b24		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2561D 15064 bytes
font_02_sfnt_off0002849a.bin
7ff5adba8695c16805727c31eea0585594606d1764cb32bf89c57132559c5bcb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2849A 14520 bytes
font_03_sfnt_off0002af6e.bin
bf10e5d7022d470bf26bf8e37596f21055ed7d08c177931030dbc3371a37ea7f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AF6E 6892 bytes
font_04_sfnt_off0002c371.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C371 6084 bytes
font_05_sfnt_off0002d306.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D306 3752 bytes

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