Malicious PDF — malware analysis report

Static analysis result for SHA-256 6099d213e18ad350…

MALICIOUS

PDF

377.4 KB Created: 2015-08-20 14:12:28 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 3b62be1f5b101abc7f83cfeb99128060 SHA-1: 4d46b1cc3266cdc8b93bad5f497080d1705725a3 SHA-256: 6099d213e18ad350984beabee147e4d105e3667b328537e5e34b07859e89db55
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document was flagged by a machine learning classifier and contains a link to a known malicious redirector. This indicates the document is likely part of a phishing or malware distribution campaign. Although no scripts were extracted, the presence of the malicious URL strongly suggests an attempt to lure the user to a harmful site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9946

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%87%D0%B8%D0%BF+%D1%85%D0%B8%D0%B7+%D0%B8+%D0%B4%D1%8D%D0%BD+%D1%85%D0%B8%D0%B7+%D0%BB%D0%BE%D0%B2%D1%83%D1%88%D0%BA%D0%B8+%D0%BC%D1%8B%D1%88%D0%BB%D0%B5%D0%BD%D0%B8%D1%8F+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4642/4642435_koroleva_bala_na_yu_smotret_onlayn_na_russkom_yazuyke.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4639/4639329_skachat_federiko_mochchia_3mnz_yemocii_i_mechtuy.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4640/4640735_rukovodstvo_po_remontu_i_yekspluatacii_skutera_vayper_aktiv.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005a078.bin
ef2d97dd36b4872276aaff101a05dde07314939281bb4febd53b80cfc24d3751		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A078 8824 bytes
font_01_sfnt_off0005ba2d.bin
a952a22a089ce55ef8b8e9e6edccb8fe5b0ce718a24322352b2ce4e53a0efed9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5BA2D 13548 bytes

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