Malicious PDF — malware analysis report

Static analysis result for SHA-256 679913a0684e907b…

MALICIOUS

PDF

74.4 KB Created: 2020-12-25 02:23:11 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3cc29f846b6b7e1d55436549315bcc39 SHA-1: 5855616877b4781bfb640af02c9b6a301ab0cdf9 SHA-256: 679913a0684e907bf1ce4cff204dcf57c10e8b1504de8361b088628bb5b48f6f
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a link to 'ggtraff.ru' which is flagged as a malicious redirector, likely serving as a lure for phishing or malware distribution. The embedded URL heuristic and the critical PDF_MALICIOUS_REDIRECTOR_LINK firing strongly indicate malicious intent. The ML classifier also flagged this PDF with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 4

  • 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.
  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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 https://ggtraff.ru/123?utm_term=free+csgo+knife+2020
    • https://zuzigiwasozobe.weebly.com/uploads/1/3/4/6/134676944/03115f77cf.pdf
    • https://cdn.sqhk.co/zikegasenar/ihjCgfr/ios_screen_recorder_download_apk.pdf
    • https://fidevawane.weebly.com/uploads/1/3/0/8/130814252/2d234d26c.pdf
    • https://cdn-cms.f-static.net/uploads/4484355/normal_5fb00415c34c7.pdf
    • https://cdn-cms.f-static.net/uploads/4377410/normal_5f8c8d644ea2b.pdf
    • https://cdn.sqhk.co/mivesumor/CD6gdLN/46995137668.pdf
    • https://wufodiwefoveve.weebly.com/uploads/1/3/4/8/134891768/9f0300c92c30.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/c8b175c3-2449-4324-98fc-039074424826/lo90_woods_coupling.pdf
    • https://s3.amazonaws.com/bodajaku/video_maker_android_terbaik.pdf
    • https://s3.amazonaws.com/xeruxaxer/autocad_2011_free_for_windows_7.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d2d6.bin
9fad5df1fd9c100d30e123108e4ebf257db85bfca0fd032444e9933441b4db7a		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD2D6 5100 bytes
font_01_sfnt_off0000e454.bin
06c7379826a8e9af8f9db74d4aab4f2a99f59c580e3d683455d2b5addb86a080		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE454 10500 bytes
font_02_sfnt_off00010887.bin
9af6fc3bf9d751f70540aea0fa47faa159a3604992cda23d2adcda3ffc5346b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10887 16092 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.