Malicious PDF — malware analysis report

Static analysis result for SHA-256 ec0e410efdde151e…

MALICIOUS

PDF

77.1 KB Created: 2021-02-12 11:44:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 8ca55aa2373a2287a7edfd934000a4d3 SHA-1: e60f13adca46a95c0c47d7e793dfc9604a1ee442 SHA-256: ec0e410efdde151e75c619c63f59fcfaf096f80406c383bc1ab631dc97edf954
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

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://seumenha.ru/wix?keyword=foolproof+test+answers+module+2 PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4374376/normal_5fdf5c16d1da3.pdfIn PDF document text
    • http://thepropheticapp.com/acronis_workstation_12._5it8w8.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4467573/normal_5ff94791d135d.pdfIn PDF document text
    • http://thechambre.xyz/i_shall_seal_the_heavens_epub5967r.pdfIn PDF document text
    • http://jibinomazovujug.22web.org/bht_company_full_form.pdfIn PDF document text
    • http://dalkomis.website/175648250863obkr.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4416125/normal_60073806648ef.pdfIn PDF document text
    • https://cdn.sqhk.co/gibuzini/pghhhih/2264769703.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4458616/normal_60142cb0528c6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4412890/normal_6024f44d90c36.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4494431/normal_5ffac014b3a64.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://xufenazaliwe.epizy.com/sutitizomirotuligavuko.pdfIn PDF document text
    • http://talakukatutevib.epizy.com/macdermid_enthone_safety_data_sheet.pdfIn PDF document text
    • http://kujujonagojatu.epizy.com/nuxasefuzejinodesuzira.pdfIn PDF document text
    • https://s3.amazonaws.com/najubu/all_rounder_songs_320kbps.pdfIn PDF document text
    • https://s3.amazonaws.com/wemupajese/chairperson_guidelines_9.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000da83.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA83 5368 bytes
SHA-256: d8670685a09f7e80ec1915ff77f9158b5d47edbb32f5abf55fae8caedc1c436b
font_01_sfnt_off0000ecc1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xECC1 10816 bytes
SHA-256: 77845b354e4fae1db62f5562212b5a0d0ec28a193d9e3677dd0731f8b8f45e02
font_02_sfnt_off00011193.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11193 16180 bytes
SHA-256: 0494210e650778a7daecbd21f4b7b2808499cd94e16bf6cab5aa19ec0b37cfbe

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