Malicious PDF — malware analysis report

Static analysis result for SHA-256 a151d8948cba6f2a…

MALICIOUS

PDF

186.2 KB Created: 2015-08-08 09:41:03 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 7d298d493c2b0d7bae48935c3e7bc5bb SHA-1: e72750cde82923a44355bc9b0f29ee1f3fcc1a2e SHA-256: a151d8948cba6f2afef6656294a4bc7e26645b41208461416f660ca39d56589f
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a link to a known malicious redirector. This suggests the document is designed to lure users to a malicious site. No scripts were extracted, and the document body was truncated, limiting further analysis of the exact lure. The primary IOC is the malicious redirector URL.

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+%D1%81%D1%82%D1%80%D0%B8%D1%82%D1%80%D0%B5%D0%B9%D1%81%D0%B8%D0%BD%D0%B3+%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//4383/4383975_pechat_nd_s_pdf417_308_msi_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384043_ilnur_musin_pesni_skachat_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383884_pravila_polzovaniya_topograficheskimi_kartami_planami_shemami.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024668.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24668 3556 bytes
font_01_sfnt_off000253eb.bin
dc7c1b8854b5ce873541219c846dbc5fcc58c3bb0c5010a62244c2ae958c5446		 pdf-font-stream PDF embedded font (sfnt) at offset 0x253EB 14592 bytes
font_02_sfnt_off000281c0.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x281C0 14468 bytes
font_03_sfnt_off0002ac72.bin
e556e449f5093c36f61a6cf0a7cfb3a4273943abac1ae13c9a385de087645514		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AC72 6536 bytes
font_04_sfnt_off0002bf14.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BF14 6084 bytes
font_05_sfnt_off0002cea9.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CEA9 3752 bytes

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