Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ddc70fd7d63f33c…

MALICIOUS

PDF

223.5 KB Created: 2022-01-16 14:13:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-26
MD5: 1b1c733e3ec8ee5018bcc4441edf744a SHA-1: 3ecea7773843886f597de9f260df3aa3af9b126a SHA-256: 3ddc70fd7d63f33c3d4f05882a8964d44accaf7b4a8b12c7ab35033f4f9dfe6e
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7784

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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 http://knipia.com/userfiles/file/58539366400.pdf In PDF document text
    • http://e-menu.hu/editor_up/kugabekekotonifekonukif.pdfIn PDF document text
    • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/161cc475ec0669---89209245338.pdfIn PDF document text
    • https://vietucmould.com/img-vietuc/files/wexewani.pdfIn PDF document text
    • http://fsnmmaterials.com/UPFILE/userfiles/files/19870873028.pdfIn PDF document text
    • http://prvugkh.ru/uploads/files/55537261315.pdfIn PDF document text
    • https://vida.posilatko.cz/files/wswg/files/82877452033.pdfIn PDF document text
    • https://mariellatriolo.it/public/file/vekaketuziwisevemagex.pdfIn PDF document text
    • http://omeofest.eu/userfiles/files/ranoxesafukanodesimujo.pdfIn PDF document text
    • http://vigen12.com/userfiles/file/wapuwudoma.pdfIn PDF document text
    • http://www.tractortools.cz/ckfinder/userfiles/files/dimarujizikemaganadobaw.pdfIn PDF document text
    • http://remobudostol.pl/pliki/36200599592.pdfIn PDF document text
    • http://autobedrijvenindex.nl/images/uploads/86669975458.pdfIn PDF document text
    • https://samirkumarpaul.com/ckfinder/userfiles/files/vupefejemokoregedoso.pdfIn PDF document text
    • http://konakelektrik.com/userfiles/file/85714411479.pdfIn PDF document text
    • https://taxfirma.com/userfiles/file/20866712161.pdfIn PDF document text
    • https://webmanagement.exing.ro/images/file/vopixirovapakanukoziro.pdfIn PDF document text
    • http://www.alite.com.br/assets/kcfinder/upload/files/52889156201.pdfIn PDF document text
    • http://radio6deenero.com/uploaded/files/rikofutivufijavamiduz.pdfIn PDF document text
    • http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16149dc773140a---63873827481.pdfIn PDF document text
    • http://myoffice2561.sesao33.net/UserFiles/File/22390403615.pdfIn PDF document text
    • https://e-ssuances.com/ckfinder/userfiles/files/16959621138.pdfIn PDF document text
    • http://codienlanhminhquang.com/upload/files/96437920927.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Gsjc/~3/cmwvf4RlXg4/uplcv?utm_term=gallon+man+printable+templatePDF link annotation
    • 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://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00031412.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x31412 10424 bytes
SHA-256: 73c467e122f2288cc529a734e14a8168ec8bf857ba921c50cc85725551e80ac7
font_01_sfnt_off00032b67.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x32B67 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_02_sfnt_off00034206.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x34206 17444 bytes
SHA-256: bcdff76a0f7e6390c8ba328ee5133d63bd1d178a3ff7f08c35cbb69808f70ab5

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