Malicious PDF — malware analysis report

Static analysis result for SHA-256 e999fde6db5a766e…

MALICIOUS

PDF

80.0 KB Created: 2021-02-18 09:45:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-31
MD5: 915750981e57ba8bb1f2f6cdc72d2476 SHA-1: 94718f4d97869a9ffb8716b9498d27ca9be9e872 SHA-256: e999fde6db5a766e8b88262314e4c959d354750e9660e9a504f14f1dc474fefc
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that directs users to a suspicious domain, likely for malicious purposes. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan. The document body, though obfuscated, suggests a lure related to downloading a movie, aligning with phishing tactics.

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://druttle.ru/123?utm_term=chronicles+of+narnia+prince+caspian+full+movie+in+hindi+download PDF link annotation
    • http://dotasif.iblogger.org/91040788274.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4377647/normal_5ff80d72432d5.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4408875/normal_5ff275a4e8d76.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4470961/normal_5fe161b8e8910.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/nuruvapozixix/muvuze.pdfIn PDF document text
    • https://s3.amazonaws.com/sazomo/pejerok.pdfIn PDF document text
    • https://s3.amazonaws.com/vuterijoze/faded_roblox_sheets.pdfIn PDF document text
    • https://s3.amazonaws.com/jevedijadiki/9071812327.pdfIn PDF document text
    • https://s3.amazonaws.com/zategafozasiru/2135695226.pdfIn PDF document text
    • https://s3.amazonaws.com/divikufifir/spreadsheet_packages.pdfIn PDF document text
    • https://s3.amazonaws.com/paxivogedewilu/tamogipulo.pdfIn PDF document text
    • http://fivamoxopel.epizy.com/beginners_guide_to_red_wine.pdfIn PDF document text
    • https://s3.amazonaws.com/kugelilizibuwum/cambria_math_regular_font.pdfIn PDF document text
    • https://s3.amazonaws.com/wovigebi/nemejifolejixoze.pdfIn PDF document text
    • https://s3.amazonaws.com/wegemebufojafak/tovipikelonawug.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_off0000f880.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF880 5452 bytes
SHA-256: c26c614aede56f92f34f25b7df3110e7a00b8f492063d15a6fd5ad64b4cd77a5
font_01_sfnt_off00010af1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10AF1 11712 bytes
SHA-256: 7f25dcb0bc5ef2abb8461cc93ddf82af87becb6950627a3611a91cbaff567fe4

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