Malicious PDF — malware analysis report

Static analysis result for SHA-256 4a516bfc61e7ad96…

MALICIOUS

PDF

79.6 KB Created: 2021-02-21 21:33:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22
MD5: 9729be40ff84733ce357230707540ccd SHA-1: 5546e6da5cda56078415107962d7acbe46358c30 SHA-256: 4a516bfc61e7ad96f4acb8fdf2fbbf7acf48dcdbdb7d9dfd0a70ba3bda047c74
96 Risk Score

Malware Insights

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

The PDF document contains a lure promising free Xbox Live codes, directing users to a suspicious URL. ClamAV and ML classifiers strongly indicate maliciousness, consistent with phishing or malware distribution. Although no scripts were extracted, the embedded URI and document content suggest an attempt to redirect users to a malicious site for further exploitation.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://leonvi.ru/strik?utm_term=how+do+u+get+free+xbox+live+codes PDF link annotation
    • http://lumacy.site/problemario_escolar_trillas_2pxhbt.pdfIn PDF document text
    • http://verifiedbadges-form.com/parts_for_evenflo_breast_pumpf7zd0.pdfIn PDF document text
    • https://cdn.sqhk.co/duvapegoleva/0Ns5KBi/wordpress_free_hosting_review.pdfIn PDF document text
    • http://opit.space/icao_annex_8bmung.pdfIn PDF document text
    • http://eglo.club/87347421640f5lpl.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/dinigugaxej/29095974841.pdfIn PDF document text
    • https://s3.amazonaws.com/zifozujiwi/linkedin_phishing_report.pdfIn PDF document text
    • https://s3.amazonaws.com/fukezavazuj/45409072085.pdfIn PDF document text
    • http://gefifeji.rf.gd/runuzagupenimotosorogo.pdfIn PDF document text
    • https://s3.amazonaws.com/rovikibixu/operations_manager_interview_questions_and_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/bufipevuril/44259224907.pdfIn PDF document text
    • https://s3.amazonaws.com/bisazabe/states_of_matter_plasma_worksheet.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_off0000e4ed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE4ED 5300 bytes
SHA-256: 25c33451851ea38179d54163a4a68e57a5f662d1f16b96cdb93ea373c799a397
font_01_sfnt_off0000f723.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF723 10772 bytes
SHA-256: 94aab5e71e2824a2d46e8343678b3f3d822f575d2ebcc532e0e730643aaf75e7
font_02_sfnt_off00011c41.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11C41 16164 bytes
SHA-256: ebd2804bff382343e08f6a42dc45f69f4e794c08b23908ae60ba78ededae74b1

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