Malicious PDF — malware analysis report

Static analysis result for SHA-256 d63e4440f4559dab…

MALICIOUS

PDF

66.9 KB Created: 2021-02-16 03:05:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-04
MD5: b19fb77d81bd98b4035a2d5aed64697a SHA-1: dc29c4cf5c34085ffee9b58de6ffb165725a6346 SHA-256: d63e4440f4559daba404503cee956a1ccde5971be83f73eea1a3b8b62d2ab94d
96 Risk Score

Malware Insights

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

The file is a PDF document flagged as malicious by ClamAV and an ML classifier. It contains an embedded URL, https://seumenha.ru/strik?utm_term=pocket+style+fender+flares+ford+explorer, which is the primary indicator of malicious intent. The PDF structure and embedded content suggest it's designed to trick users into visiting this external link, likely for phishing or to download further malicious content.

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://seumenha.ru/strik?utm_term=pocket+style+fender+flares+ford+explorer PDF link annotation
    • https://cdn.sqhk.co/rinugezig/fKAhbGZ/hill_climb_racing_car_apk_download.pdfIn PDF document text
    • http://lanaxed.iblogger.org/wovagapulekafadaji.pdfIn PDF document text
    • https://cdn.sqhk.co/besuduxikuvo/jfNqZje/25952406108.pdfIn PDF document text
    • https://cdn.sqhk.co/bugolajoxodu/hdij4ha/lamoke.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/vuraradaso/goxesarizujitebobijogi.pdfIn PDF document text
    • http://ronagipesi.rf.gd/47686527005.pdfIn PDF document text
    • http://wevosana.rf.gd/arris_tm1602_manual.pdfIn PDF document text
    • http://fasokefukolu.epizy.com/english_grammar_framework_b1.pdfIn PDF document text
    • http://noxikemudenuma.epizy.com/activate_b2_student_s_book.pdfIn PDF document text
    • https://s3.amazonaws.com/xeponodij/57065435201.pdfIn PDF document text
    • https://s3.amazonaws.com/wetevali/wuteguxumepujarilifef.pdfIn PDF document text
    • http://voruluju.epizy.com/agri_admission_form_2018.pdfIn PDF document text
    • https://s3.amazonaws.com/dudujopixejikug/dow_lab_karachi_online_report.pdfIn PDF document text
    • https://s3.amazonaws.com/vidadaviwal/rizivitop.pdfIn PDF document text
    • http://jepisaf.epizy.com/kenai_river_king_salmon_guides.pdfIn PDF document text
    • https://s3.amazonaws.com/jedobufudajewu/63199761069.pdfIn PDF document text
    • https://s3.amazonaws.com/daraniwekamidir/90912617032.pdfIn PDF document text
    • http://puduvasogedima.rf.gd/subwoofer_box_design_software_android.pdfIn PDF document text
    • http://bagabosafeko.epizy.com/jaguars_vs_saints_injury_report.pdfIn PDF document text
    • http://sosukaf.epizy.com/dmarc_report_disposition.pdfIn PDF document text
    • https://s3.amazonaws.com/vasofirida/gizixasuwoxogemexufisi.pdfIn PDF document text
    • http://monudaduxafe.epizy.com/24208588071.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_off0000c785.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC785 5384 bytes
SHA-256: 034d460000df06bf48a92051f9c775f1df1042b19d8d8d3b75db1c1a4d3fe55e
font_01_sfnt_off0000d9fc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD9FC 10520 bytes
SHA-256: 349efea9da0ba38e6e079c5294b654ace7469959ba6def2c5589060837f84e44

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