Malicious PDF — malware analysis report

Static analysis result for SHA-256 4022b2d1d88e2d64…

MALICIOUS

PDF

87.0 KB Created: 2021-07-01 12:53:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: 17fc8974e41b9fd7f596cb57f762ec01 SHA-1: 73e9a3a190fd52fd61037643223d5a55693fa9a0 SHA-256: 4022b2d1d88e2d64a222c573a475ccd8f5a598428ca63d082dc51ce72da91623
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URL that, while appearing benign in its initial feedproxy domain, likely leads to a malicious payload. The document body is heavily obfuscated, preventing a clear understanding of its direct intent beyond the embedded URL, but the overall context suggests a phishing attempt to trick users into downloading malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9942

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090b1b403d6a---74606797310.pdf
    • http://spoanalyze.com/wp-content/plugins/super-forms/uploads/php/files/8c374590ece0325fd9b2b3eb43bd65f5/zofesofozimisitobidawizij.pdf
    • http://cinstech-inspect-survey.com/fckeditor_userfiles/file/42610942489.pdf
    • http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609b11411314e---86151200901.pdf
    • http://innospectrum.eu/hirlevel/file/94674053883.pdf
    • https://realestateconnect.biz/wp-content/plugins/super-forms/uploads/php/files/tjqe362bqk83ekr0ublomp0nk0/35098074113.pdf
    • http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608808631bcb8---tisonile.pdf
    • http://blatt-gruen.ch/files/rozurigipogigitesebuvig.pdf
    • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/bf6gvqkba23lgdf3lt9q528s87/8201359842.pdf
    • https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/8f6186193ed0a71fe0b17373c2ac3e58/rusobalarukabuvolukerinef.pdf
    • http://93564497.com/userfiles/vewexajagi.pdf
    • http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d4261250ffa---zozalubamitelinidixajov.pdf
    • https://www.mii.net/wp-content/plugins/super-forms/uploads/php/files/6975818b87774c528f92ebd154819c73/48273183595.pdf
    • http://assytekservizi.com/userfiles/files/59648126179.pdf
    • https://laatjehuisweerstralen.nl/upload/file/degudo.pdf
    • https://e-lightingcontrols.com/wp-content/plugins/super-forms/uploads/php/files/28f4146439da46c9e523b18643155542/giliwimedizixofukemetoxup.pdf
    • https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/bccc44660d8e41c6fbfdef9e90a71c8f/dadatosorowogoni.pdf
    • http://ekolojikweb.net/upld/userfiles/file/79719225495.pdf
    • https://www.lindopoint.it/wp-content/plugins/super-forms/uploads/php/files/367106bb80bbcde2abb3712eb9965ce5/7023253858.pdf
    • https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/72f65c944d1ce15644e3e5201643dc64/49274219798.pdf
    • https://steammining.com/userfiles/file/viwupupemomobokugaluwep.pdf
    • https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160bbf73ce2917---59654947833.pdf
    • https://info-jimukyoku.jp/lot/upload/files/62767795963.pdf
    • https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/1a60e8d0b9219993dd0b8d3bbfe55204/84092532469.pdf
    • http://www.urbanwaterways.info/files/70584262974.pdf
    • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=human+fall+flat+mobile+free+download
    • 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://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_off0000e483.bin
40a6ed34401dbc5554499c1d64f41a018d2b6adc7b2975700fa8bb7b64f6e5b9		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE483 29132 bytes
font_01_sfnt_off00011de6.bin
9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11DE6 16792 bytes
font_02_sfnt_off000135fd.bin
cf4a5ddb63ce465ab97e8e403b9859f17c5b28281b3bc5f5f619932209728955		 pdf-font-stream PDF embedded font (sfnt) at offset 0x135FD 10664 bytes

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