Malicious PDF — malware analysis report

Static analysis result for SHA-256 79ec907120fd8d66…

MALICIOUS

PDF

187.8 KB Created: 2015-07-25 03:01:04 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: a95d53d002c42e11dc713d4f6b5b5ea3 SHA-1: 1709668f7386a9ae689059f989e06cfbe45c1a81 SHA-256: 79ec907120fd8d667fae778fdd893d5d7ac0e668b93b3a57cbc598464f6d33bb
90 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector infrastructure. The ML classifier also flagged this PDF with high confidence. The embedded URL is likely intended to lure the user into downloading malicious content or visiting a phishing page. 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=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B8%D0%B3%D1%80%D1%83+fifa+world+cup+2014+%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://img0.liveinternet.ru/images/attach/c/5//4188/4188084_prikaz_533_rostehnadzora_s_kartinkami_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192037_merlin_6_sezon_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192874_propellerhead_reason_7_skachat_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000247c4.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x247C4 3556 bytes
font_01_sfnt_off00025547.bin
bcfaeccc0667e584cea54b87929117d62140684cb4a9c2e9ce28357bd5f48c3f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25547 15104 bytes
font_02_sfnt_off000283a5.bin
9b84dea33209ef397fdb8aaf125a6d2e81f56eff7e14f2097df4df3cd27670d7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x283A5 14636 bytes
font_03_sfnt_off0002aee6.bin
eb8cade49e97b2baa58de3676073fc2ea8ba4e2ad67aac043346ab07eda437dc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AEE6 7624 bytes
font_04_sfnt_off0002c580.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C580 6084 bytes
font_05_sfnt_off0002d515.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D515 3752 bytes

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