Malicious PDF — malware analysis report

Static analysis result for SHA-256 0a36b80ec9b8054a…

MALICIOUS

PDF

78.2 KB Created: 2021-03-15 18:08:18 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-22
MD5: baa9d33d899cb02f77766a4d461868c6 SHA-1: 7f6868406ec956e31804a1574ee817e5153b6ad6 SHA-256: 0a36b80ec9b8054a1d1372d5a809435e78c19c20c27fad07ed28a5e0cb81aa4a
96 Risk Score

Malware Insights

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

The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a phishing or malware distribution site. The document body, though partially corrupted, suggests a lure related to 'sustainability reporting', a common pretext for phishing attacks.

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://gimoguvi.ru/123?utm_term=sustainability+reporting+in+malaysia PDF link annotation
    • https://cdn.sqhk.co/sadamire/haGjctq/joker_wallpapers_hd.pdfIn PDF document text
    • http://hookup750.website/65762956580kwna2.pdfIn PDF document text
    • http://sandwichhq.club/585953473650lapr.pdfIn PDF document text
    • http://wosozage.mypressonline.com/sumekerukox.pdfIn PDF document text
    • https://cdn.sqhk.co/pisupuwov/w2shhjc/sigurofikirowuresajos.pdfIn PDF document text
    • http://francobusiness.com/jejezexr9e5z.pdfIn PDF document text
    • http://usesoda.pro/what_football_team_does_nike_sponsor6ckyi.pdfIn PDF document text
    • http://strahauto.website/72413773537gtch8.pdfIn PDF document text
    • http://uspex22.online/xuwozojegey2qpu.pdfIn PDF document text
    • http://formverifiedbadge.com/java_swing_layout_north_southinmf5.pdfIn PDF document text
    • http://itmax.info/how_to_reset_turtle_beach_elite_800tnepl.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://rigidafavubo.myartsonline.com/salems_lot_1979_cast.pdfIn PDF document text
    • https://s3.amazonaws.com/betefowubevat/kegirew.pdfIn PDF document text
    • https://s3.amazonaws.com/tisegovofu/equipment_breakdown_report_template.pdfIn PDF document text
    • https://s3.amazonaws.com/rikolesafuwofar/android_ndk_build_cmake.pdfIn PDF document text
    • https://s3.amazonaws.com/ladiwuzetawedi/29209168971.pdfIn PDF document text
    • https://s3.amazonaws.com/fodose/atelier_ayesha_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/bivanud/marine_corps_reading_list_book_report_format.pdfIn PDF document text
    • https://s3.amazonaws.com/kibavutibeved/estructura_de_un_texto_descriptivo_que_es.pdfIn PDF document text
    • https://s3.amazonaws.com/gazivemon/mckenzie_method_back_exercises.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_off0000f3f0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF3F0 5484 bytes
SHA-256: 124fa34e47d7b327c5ca214bc2747cbb419f847f25ae0a9155e9be46df51bfd2
font_01_sfnt_off00010684.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10684 10864 bytes
SHA-256: f24432e13f68aad11ec41da116f3c495842ca7d86e85b15c7e78f81843dda148

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