Malicious PDF — malware analysis report

Static analysis result for SHA-256 e5a224464e1da57a…

MALICIOUS

PDF

72.7 KB Created: 2021-06-22 10:44:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 476797785b2372a6215c22646cb53e47 SHA-1: 849cf6b5c6893518a3275c3beab9b8cd6c866e2d SHA-256: e5a224464e1da57aec62d46da99ffb366bf5490a7015bca1cf54b592980b9dfb
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a link farm designed to mimic a movie download, which is a common lure for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or trojan delivery. The presence of multiple links to compromised CMS upload directories further supports this assessment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9585

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://blueridgelightingandcontrols.com/wp-content/plugins/super-forms/uploads/php/files/822a5bbe21e89102fe87ddea3be22b35/kumukajosivisewizu.pdf In PDF document text
    • http://ikkosushi.com/uploads/files/98260703054.pdfIn PDF document text
    • http://travelshops.pl/userfiles/file/mizexikulunitufolepepe.pdfIn PDF document text
    • http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202105291106131172.pdfIn PDF document text
    • https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7a2f34d5a0---29783405359.pdfIn PDF document text
    • https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/d697e97317ce0b55a8132888c53e297f/15928191820.pdfIn PDF document text
    • https://zionapostolicministries.org/uploads/file/58590212500.pdfIn PDF document text
    • http://aquamedia.cn/ckfinder/userfiles/files/puvenumibejevo.pdfIn PDF document text
    • http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160aaf9eb48695---41379980410.pdfIn PDF document text
    • https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/7312e6cd6444124ac4925174d5f79a30/koguzuvat.pdfIn PDF document text
    • http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f0f9d5f9fb---89365446357.pdfIn PDF document text
    • https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/a1d06c63571f24dbb70c675b582ee79c/tifodagedusurabuzilosuju.pdfIn PDF document text
    • http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/1131b96166d4411d7a8c1303fd22d974/36626008917.pdfIn PDF document text
    • http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f00bbbb4b8---41136158424.pdfIn PDF document text
    • http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff821d7771---2562065756.pdfIn PDF document text
    • https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a2a53d21fb---jofaligaxukegazajan.pdfIn PDF document text
    • http://fontawesome.iohttp://fontawesome.io/license/In PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=ek+paheli+leela+full+movie+download+720p+khatrimazaPDF link annotation
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e3fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE3FA 1780 bytes
SHA-256: 7b175729e8665116d436d916e15899b2da813b91edf3566bf7b687ec859430ab
font_01_sfnt_off0000ec6b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC6B 4048 bytes
SHA-256: 763d40d732240c6f87549b84fa726431a5afaa9d34f025a33225cfade1e41eca
font_02_sfnt_off0000faa8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFAA8 5564 bytes
SHA-256: 1e9c18933fae5ac3410f0ba81436b69e123c8e348b850c8035b289c342dfb44c

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