Malicious PDF — malware analysis report

Static analysis result for SHA-256 1d789f0631e7426d…

MALICIOUS

PDF

70.0 KB Created: 2021-05-03 21:29:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7757ad9eec38912bc89786991c2d8dfd SHA-1: 75486383ecfa90bb46acb26d68173e2b7bc8302b SHA-256: 1d789f0631e7426df5cbd6608a42fa755bd48bfeb23af53fdf6c22107b25044e
96 Risk Score

Malware Insights

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

The file is identified as a malicious PDF by ML classifiers and ClamAV, with a high risk score. It contains embedded URLs that likely lead to phishing sites, indicated by the 'Pdf.Phishing.Trojan' detection. The presence of embedded URLs and the nature of the detection suggest the document is intended to redirect users to malicious content, likely a phishing page.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://areicon.com/images/file/30867911705.pdf
    • https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/2m5b8m0l8t3v4t5id001gtk1v6/pakexizokajivukuw.pdf
    • https://www.lightingsolutionsal.com/wp-content/plugins/super-forms/uploads/php/files/bc1e875a6ec69dd6ec965190c234ac94/rosulufilikukapewozim.pdf
    • http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607edf26d8bc6---58722701538.pdf
    • https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/6c406977da9462180f7b5b3a4f6245b5/defaluxisoja.pdf
    • https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/llo6km0gi4uvl70pdbj1lg69a4/42447884147.pdf
    • https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/70db9588d808e729d7a5d39165121e1a/gesiletopewo.pdf
    • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b21ce2c4b1---nigawegexeburumalan.pdf
    • https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/ab2d015f8ce3c1e8b846db9391a90e55/gabolaviwijunujanaxif.pdf
    • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/160899a3f40b5a---pazatupidelidigivi.pdf
    • https://sgpropertylawyers.com/wp-content/plugins/super-forms/uploads/php/files/3b85f6d5bb2d5f868ebb397520f59b5d/39468746889.pdf
    • http://arohitourandtravels.com/userfiles/file/fefufutimilaponigogudu.pdf
    • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16079b8680e2d7---14552822182.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=following+directions+worksheet+trick+test
    • http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/ae34a41060b3d2a3d74908aec9c8368f/kalegipigug.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d65a.bin
d70ebd1135fc55677defee5d2d813c478245f7dbe4b80babf3fb4aa305dfb4c1		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD65A 5100 bytes
font_01_sfnt_off0000e7ca.bin
21f40db3050d3c41f6ec7f38d741cec85d2cd9a4e99f6d2eb8394a71afc7aae5		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE7CA 10200 bytes

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