Malicious PDF — malware analysis report

Static analysis result for SHA-256 a3dfca32cb080b8d…

MALICIOUS

PDF

67.6 KB Created: 2020-12-19 01:19:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: e2c78daa65c3e56566f59d5f16117853 SHA-1: 5bcaef146b43fa04a7479cefa0897b4cb052788e SHA-256: a3dfca32cb080b8dd4fdca6f5f7ead1fc470d614cf0c1efbd3c6234ac5c6a5d0
94 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The embedded URL `https://trafftec.ru/aws?utm_term=zebra+gk420t+label+template` suggests a phishing or credential harvesting attempt, disguised as a label template. The document body, though heavily obfuscated, contains references to 'Zebra gk420t label template' and 'wkhtmltopdf', reinforcing the lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9668

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://trafftec.ru/aws?utm_term=zebra+gk420t+label+template PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4405195/normal_5f961b693ca3d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4390664/normal_5fb5d4b97e743.pdfIn PDF document text
    • https://kufesolujuxubi.weebly.com/uploads/1/3/4/3/134373324/ladozinudaliwik.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4481282/normal_5fbce3087fb5b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369626/normal_5fa9ff4ef0a87.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/364b48d4-5450-4e41-97e3-ee09f660af35/lexolo.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc2a60b1c8c7413143d24fc/t/5fc3fbe99d79364840099857/1606679535631/namso_ccgen_apk_2020.pdfIn PDF document text
    • https://s3.amazonaws.com/mejifavo/24242385339.pdfIn PDF document text
    • https://s3.amazonaws.com/gavapozalilup/90350744488.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc6844ad26ff1194f9aacb7/t/5fc879217ff5a343ebf697ca/1606973734994/xumabixilezi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0bffa5b9-1f1d-4024-80ac-7f9f36f59cbd/sodab.pdfIn PDF document text
    • https://s3.amazonaws.com/fibesezati/is_business_information_technology_a_good_degree.pdfIn PDF document text
    • https://s3.amazonaws.com/xixonu/child_support_guidelines_in_virginia.pdfIn PDF document text
    • https://s3.amazonaws.com/zufojadibi/wemeperirul.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_off0000e4b5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE4B5 5484 bytes
SHA-256: b0e1d3800470d84ad45d92506fc7084aab15e6ec3e4506c74e66a3124e006c5f

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