Malicious PDF — malware analysis report

Static analysis result for SHA-256 adc96de499d90542…

MALICIOUS

PDF

76.9 KB Created: 2021-03-11 23:53:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-13
MD5: ab40c397ad980f179cc5bf66a749a452 SHA-1: 340058ebe920868fd47d889ab12af1555b8da8ad SHA-256: adc96de499d9054212fbcd8c75fd8449ae17b58800f671a0bfb91eb9e6da84b5
96 Risk Score

Malware Insights

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

The PDF document contains a lure related to Native American eagle symbols, directing the user to a suspicious URL. ClamAV and an ML classifier flagged this PDF as malicious, specifically as a phishing trojan. While no scripts were directly extracted, the PDF structure and embedded URI suggest an attempt to redirect users to a malicious site for further exploitation.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://druttle.ru/strik?utm_term=native+american+eagle+symbol+meaning PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4383452/normal_6004dc7a49141.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379380/normal_604746fb15d24.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4412154/normal_5fd32cbb4aeb9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4407988/normal_60201bed8b160.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4477162/normal_603123678838c.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/xubifupi/mizuzotaranitedorive.pdfIn PDF document text
    • https://s3.amazonaws.com/devuxuzejozam/vafetoporodowogenatenome.pdfIn PDF document text
    • http://zesinav.rf.gd/fipesozununidixum.pdfIn PDF document text
    • http://tugojolowok.epizy.com/45625500853.pdfIn PDF document text
    • https://s3.amazonaws.com/wifukedot/cheap_thrills_full_song_audio.pdfIn PDF document text
    • http://telawusufolij.epizy.com/video_helper_older_version_firefox.pdfIn PDF document text
    • https://s3.amazonaws.com/takateg/real_football_games_for_mobile.pdfIn PDF document text
    • http://zakefozufasedi.epizy.com/zegojixusofunugut.pdfIn PDF document text
    • http://ruzowedomox.epizy.com/basic_functions_of_language.pdfIn PDF document text
    • http://dotuvozupiludo.epizy.com/morphology_of_flowering_plants_class_11_notes.pdfIn PDF document text
    • https://s3.amazonaws.com/fovezewi/email_template_for_job_application_uk.pdfIn PDF document text
    • https://s3.amazonaws.com/fadedosi/calendario_premier_league_2017-_18.pdfIn PDF document text
    • https://s3.amazonaws.com/laginekux/weather_report_madawaska_maine.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ef04.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF04 5392 bytes
SHA-256: a941555b53dd8bf30bcd2c7f899c951627ca5f5a07f7291f7202a219cdc9e7c2
font_01_sfnt_off0001015d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1015D 10908 bytes
SHA-256: 2d74a27f9cc21a5e6b9c2d008bd348acd9ddded6d81c09e639db57cfbc18f0f3

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