Malicious PDF — malware analysis report

Static analysis result for SHA-256 5477dd0e1f1f350b…

MALICIOUS

PDF

186.7 KB Created: 2015-07-25 02:18:08 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: c98a8684ebb74cc2eb8829fa061518a2 SHA-1: b757df8a92aed9d6d0065dbcc7e70360d969de3e SHA-256: 5477dd0e1f1f350b8bdd02dfc428a937d365a68878e4ce80d49bc45865fcf181
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 direct link to a known malicious redirector URL. This indicates the document is designed to lure users to a potentially harmful website. No scripts were extracted, and the document body was truncated, limiting further analysis of the specific 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=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B8%D0%B3%D1%80%D1%8B+%D0%BD%D0%B0+%D1%85+%D0%B1%D0%BE%D0%BA%D1%81+360+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82+%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//4184/4184480_kasting_vudmana_v_rossii_skachat_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192661_luchshie_pesni_90h_skachat_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189436_skachat_diablo_2_cherez_torrent_na_russkom_polnaya_versiya.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024605.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24605 3556 bytes
font_01_sfnt_off00025388.bin
fdbf2d327b74e2e6495315f2064388f4e19dd3c84eccbbb16e9907e45dfc3769		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25388 14708 bytes
font_02_sfnt_off00028139.bin
137889a7ce05a3309d38a0b6e1b33229f35e9f00dc1fed8a6d6c28a01a9ac29f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28139 14532 bytes
font_03_sfnt_off0002ac24.bin
c968c5e59d765f132fd280df2dfeaa8b579beaf9411788a4a53ce75a5b5c84d1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AC24 7180 bytes
font_04_sfnt_off0002c10a.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C10A 6084 bytes
font_05_sfnt_off0002d09f.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D09F 3752 bytes

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