Malicious PDF — malware analysis report

Static analysis result for SHA-256 d16c4717b887dff7…

MALICIOUS

PDF

68.0 KB Created: 2021-02-27 23:59:44 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-24
MD5: 6e0b0ba5c00598ca25537ef89b7dfec1 SHA-1: 91810e16ce348a399a8768efb74dc10ed0342f02 SHA-256: d16c4717b887dff7d665cf526450cdb2fc52ac4737619069f2628377bbe81c7e
94 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 embedded URL, 'https://baarspo.ru/strik?utm_term=how+much+is+a+new+2020+maserati', suggests a phishing or credential harvesting attempt disguised as a search query. While no scripts were explicitly extracted, the PDF structure and heuristic firings point towards a malicious document designed to exploit users.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8239

Heuristics 3

  • 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
  • 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://baarspo.ru/strik?utm_term=how+much+is+a+new+2020+maserati PDF link annotation
    • http://ekzo-fruit.ru/cold_calling_email_templateshf83y.pdfIn PDF document text
    • http://christinaanddavid2019.com/mortal_kombat_armageddon_ps21bca0.pdfIn PDF document text
    • http://websporizlehd.com/buzebenudiwi2t73.pdfIn PDF document text
    • http://yoga-fitness.space/prestonplayz_videos_todaysa30p.pdfIn PDF document text
    • http://reduslimitalia-oficial.site/949377961354mkdu.pdfIn PDF document text
    • http://epaytds.xyz/como_hacer_una_hoja_de_vida_actual_2020nt30k.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4417214/normal_5fe08d2d30a26.pdfIn PDF document text
    • http://tovelksa.website/florida_financial_affidavit_short_formqt3fh.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4417408/normal_6037403731e04.pdfIn PDF document text
    • http://file-id.ru/555953196383tg5h.pdfIn PDF document text
    • http://torchqbfl.fun/baidu_browser_apk_latest_version73jny.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/mukut/rukiketu.pdfIn PDF document text
    • https://s3.amazonaws.com/vifusupegiza/miwazasuwuwegatu.pdfIn PDF document text
    • https://s3.amazonaws.com/kuxegu/vehicle_accident_reporting_centre_london_ontario.pdfIn PDF document text
    • https://s3.amazonaws.com/sesijesule/easy_border_designs_for_a4_sheet.pdfIn PDF document text
    • https://s3.amazonaws.com/bugutaj/zixebutojosobajanewofosu.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e2ef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE2EF 5332 bytes
SHA-256: f052432c5cedc821b54d19c4e76053d90f9ed631b3e1f14cce4ff6a8ce0d66f3

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