Malicious PDF — malware analysis report

Static analysis result for SHA-256 c01c1d8afd61baac…

MALICIOUS

PDF

75.6 KB Created: 2021-03-21 11:58:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-22
MD5: 0ff18c6c4a6b70de36ec04aa28894f1d SHA-1: b0d1087efd768138d2d4bec1671fdd716a6315f1 SHA-256: c01c1d8afd61baac4260701658ef36032494de066070c773fdd60a75310256d7
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. The presence of an external URI pointing to 'botokaw.ru' suggests a phishing or redirection attempt. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing lure designed to direct users to a malicious site.

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://botokaw.ru/strik?utm_term=venus+in+the+sky+tonight+ireland PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4443329/normal_5fcb7483044b3.pdfIn PDF document text
    • http://magnifioco.site/kubupoponudibagawovo4i6n.pdfIn PDF document text
    • http://photoforce.ru/16personalities_premium_profilelz7oo.pdfIn PDF document text
    • http://bupatinewesep.66ghz.com/69345191101.pdfIn PDF document text
    • http://soinjaga.ru/principales_caracteristicas_de_operahqomd.pdfIn PDF document text
    • https://cdn.sqhk.co/purorelaz/gjbT6ic/fun_runner_fc_202_toy_hauler_for_sale.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4375705/normal_5fcf1ec2b6e47.pdfIn PDF document text
    • http://souve.me/zombie_survival_guide_moviedk099.pdfIn PDF document text
    • http://lofitner.buzz/jay_z_magna_carta_holy_grail_album_cover4d7so.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4403560/normal_5fdd129317a50.pdfIn PDF document text
    • https://cdn.sqhk.co/burajugi/eNrahgg/59008906866.pdfIn PDF document text
    • http://luminar2-download.xyz/235673914052m0n5.pdfIn PDF document text
    • https://cdn.sqhk.co/difixoruze/ifXqgiL/lezakoximinotolipuxozez.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/nilafafakem/zigisukutakanoduda.pdfIn PDF document text
    • https://s3.amazonaws.com/migivewuwe/11003503138.pdfIn PDF document text
    • https://s3.amazonaws.com/rutufokedizon/8938149321.pdfIn PDF document text
    • http://dowegumorugujon.epizy.com/zixuzetijexagofefeb.pdfIn PDF document text
    • https://s3.amazonaws.com/serogajugomiji/wugolakupog.pdfIn PDF document text
    • https://s3.amazonaws.com/difigomisosak/how_to_build_muscles_at_home_for_beginners.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ddd6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDDD6 5216 bytes
SHA-256: f3141d4b28927507d7d5942c416cdb9fb1c49d9bcf44256c49fa1383cceb390b
font_01_sfnt_off0000ef92.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF92 2148 bytes
SHA-256: 168bdbc3f94dfcf24c550121d968b7e0236f5fcf4f420688502c368d94ded15b
font_02_sfnt_off0000f8e0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF8E0 11632 bytes
SHA-256: 3ae00ccd3bfe60679c3bcdbcc5809bddba9356912301bee6083a535235a146d1

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