Malicious PDF — malware analysis report

Static analysis result for SHA-256 c640e111e319b79f…

MALICIOUS

PDF

76.6 KB Created: 2021-05-07 12:07:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4546cbe7756a507224c2c2b24618b82b SHA-1: 20da0db8039fbd55c2b2040f8842fd4dd38d2b1c SHA-256: c640e111e319b79f2a3bff81e0f58292f6790aef4204c7079fbd66e76516fcf6
96 Risk Score

Malware Insights

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

The PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. The embedded URI and numerous other URLs suggest the document is designed to redirect users to external sites, likely for phishing or malware distribution, under the guise of providing movie content. No scripts were extracted, but the presence of external links is a strong indicator of malicious activity.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://synerhu.ru/uplcv?utm_term=abcd+full+movie++mp4moviez
    • http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/16086a6fec2c13---funajijosifulape.pdf
    • https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bad8fc5b9a---kekokuxoguxapudejiseka.pdf
    • http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16086bd5595d38---nomile.pdf
    • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/160796b670afcf---kifesuf.pdf
    • https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/b26030aba9aea9c13a2a9f1f1a3f747b/duluroteneleb.pdf
    • https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/tr15ko73qgau2mt04snudicb68/15973416355.pdf
    • http://kondicionery-vidnoe.ru/upload_picture/file/sifafo.pdf
    • https://unique.global/wp-content/plugins/super-forms/uploads/php/files/fef1ddbcf4d57e234e4209b21b1bea00/lelarak.pdf
    • http://www.greenbriarpropmgmt.com/wp-content/plugins/super-forms/uploads/php/files/ba03362841fd525c295a1ada31b23993/dodoloxi.pdf
    • http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/16085279826f78---75293401963.pdf
    • https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/310b7433cece00f598a87a7c3e05adaf/mitimizoduke.pdf
    • http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/df7c951dd12033adf3b1997b237ec1e7/63742213141.pdf
    • https://drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16073cf8d41ba0---tebuzozejevos.pdf
    • http://alexlunacoach.com/img/editor/file/63990791478.pdf
    • http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607a9e5a585e6---17114760030.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://fedorahosted.org/lohit
    • 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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000cf6c.bin
25db5bc241707de85e27196b17997a36dc69406e47a55d98537a830c38addc44		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCF6C 5144 bytes
font_01_sfnt_off0000e0ee.bin
9e9bdf9e797d41dff23185d17ed301e67a07aff9b40e9fe7cd4763af537d9cfa		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE0EE 10452 bytes
font_02_sfnt_off000104e2.bin
2d97eb5b8c66583654a55461b75ebc9d5954fe3bb26bfbf5761d5bfdae6bb250		 pdf-font-stream PDF embedded font (sfnt) at offset 0x104E2 16060 bytes
font_03_sfnt_off000119af.bin
dc2a94455d38058be435e3d2296838de1992ed5d30d82f96770d5565e016b2f6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x119AF 3068 bytes

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