Malicious PDF — malware analysis report

Static analysis result for SHA-256 abdc43033d84f67a…

MALICIOUS

PDF

186.8 KB Created: 2015-07-26 02:57:54 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: d905f8dd45084bc5e3a0dfbd7ae52e16 SHA-1: bd660cd068fed763b151e2a3f935b8d8cbcc1253 SHA-256: abdc43033d84f67ad7b4bbc0dbc256f55e128154d9245f48fb0ab166858a3e98
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector. This indicates the document is likely a lure to direct users to a malicious website for phishing or malware delivery. No scripts were extracted, and the document body was not parsable.

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=%D0%94%D0%BB%D0%B8%D0%BD%D0%BD%D1%8B%D0%B5+%D0%BD%D0%B0%D1%80%D0%B4%D1%8B+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B4%D0%BB%D1%8F+windows+7&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4203/4203229_hirens_boot_cd_152_russkaya_versiya_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4204/4204219_kak_obmanut_yelektronnuye_vesuy.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4204/4204662_shpargalki_po_farmacevticheskoy_himii.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002ac8a.bin
a915c7203794d67046e8612d5f6033c874adb0872c2c2f081bfcff4932101156		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2AC8A 7132 bytes
font_00_sfnt_off00024613.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24613 3556 bytes
font_01_sfnt_off00025396.bin
19063bb800ff2f31a0b80d7d157ada761c065552aeabccc6253fdc0e3750cb81		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25396 14628 bytes
font_02_sfnt_off0002816a.bin
9d90e18ee50434addfa8c210065a1461feda93b1cad23cebf91f15991c29ade2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2816A 14584 bytes
font_04_sfnt_off0002c148.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C148 6084 bytes
font_05_sfnt_off0002d0dd.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D0DD 3752 bytes

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