Malicious PDF — malware analysis report

Static analysis result for SHA-256 96d99b0d8edd3086…

MALICIOUS

PDF

72.6 KB Created: 2021-03-26 07:21:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 2a7ea296b5ef1dd9351f8a17bfb38782 SHA-1: 41d436a1b2c3a6b87554dd2da4496999790956de SHA-256: 96d99b0d8edd30862eaae1078a9f4bcdc08792d58fe27da6d6360ea2dd9988f5
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that redirects to a phishing site disguised as a search result for insurance information. ClamAV detection and ML classification strongly indicate malicious intent, likely for credential harvesting or further malware delivery.

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://soxebez.ru/wix?keyword=trexis+insurance+phone+number+indiana
    • https://cdn.sqhk.co/gobajejuz/eidcvig/stickman_simulator_battle_of_warriors_game.pdf
    • https://mokowevabib.weebly.com/uploads/1/3/0/7/130739664/zuwofudup-fudogeg.pdf
    • https://xezazevexu.weebly.com/uploads/1/3/5/9/135990031/faloxajuresavev-labupatadu.pdf
    • https://cdn.sqhk.co/valujoper/i3Ddgci/56788637298.pdf
    • http://puruzil.iblogger.org/disney_world_extra_magic_hours_september_2020.pdf
    • http://xonejalevesezom.sportsontheweb.net/87142946311.pdf
    • https://simokodopegaliw.weebly.com/uploads/1/3/0/7/130776428/nevonu_rejab_mewewugewij_waxarenekedizo.pdf
    • https://cdn.sqhk.co/jimikafede/dEhcphj/xesuwarezusabe.pdf
    • https://wugaxaxelapuwu.weebly.com/uploads/1/3/4/5/134595152/nodon.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://zutugidod.onlinewebshop.net/51856884139.pdf
    • https://s3.amazonaws.com/wujafivabipo/pomopefezipibamojere.pdf
    • http://zizenatoxu.myartsonline.com/psychrometric_chart_celsius.pdf
    • https://s3.amazonaws.com/juduk/pibade.pdf
    • https://s3.amazonaws.com/davubewu/conclusion_for_a_lab_report_example.pdf
    • http://kepawomokatuke.myartsonline.com/xefijomejenasidibu.pdf
    • http://tonorepunad.myartsonline.com/lufenubigit.pdf
    • http://nabikelotedabe.epizy.com/bootstrap_responsive_templates_with_slider_free.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_off0000dea3.bin
7d101d7f918aa4784a79d5e2a5d98b832f250c70dfc8f76939c09b4f1c85c536		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDEA3 5440 bytes
font_01_sfnt_off0000f0ee.bin
c0103b137fe9d09781aaedb208d84357d76d51cb8d8b168b404d14cfee49ba78		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF0EE 10792 bytes

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