Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa8dc9d4fdbdd034…

MALICIOUS

PDF

246.2 KB Created: 2022-03-25 15:23:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-06
MD5: c1a307bd6dc277dd0d4db12c719d1521 SHA-1: ed1223f21f7c0f26786895f8b8303d9fe289c807 SHA-256: aa8dc9d4fdbdd034098cc9acca0e413ec2ae39628fbcc50a1c39acc6cfa72684
144 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7586

Heuristics 6

  • 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.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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://fecuq.co.za/XSRYdR1H?utm_term=40+meter+ocf+dipole PDF link annotation
    • https://abhrian.com/userfiles/files/wipevolubebajemavotuketam.pdfIn PDF document text
    • https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/b257751546dfac5468f1bb9e65c81af5/72733629872.pdfIn PDF document text
    • http://euro-service.org/kcfinder/upload/images/begafimolikafifegoxekot.pdfIn PDF document text
    • https://www.iccis20.scrs.in/kcfinder/upload/files/kugenutenisawadunepug.pdfIn PDF document text
    • https://tonerihned.cz/userfiles/file/giwakexajiwi.pdfIn PDF document text
    • http://casio.tw/upload/files/28993056090.pdfIn PDF document text
    • http://www.korsun.ic.ck.ua/js/kcfinder/upload/files/6717625227.pdfIn PDF document text
    • http://resetimpianti.it/reset/public/file/80204851974.pdfIn PDF document text
    • http://senkardeslerkereste.com/kcfinder/upload/files/vebutosuruvewosamoxug.pdfIn PDF document text
    • http://studiogallerani.it/userfiles/files/48648112844.pdfIn PDF document text
    • http://opt-russtd.ru/data_center/upload_pictures/file/30490008730.pdfIn PDF document text
    • https://www.adamtraveljordan-ru.com/mypanel/includes/ckeditor/kcfinder/upload/files/vewumijaroxirurolobuwida.pdfIn PDF document text
    • http://cdut.kiev.ua/kcfinder/upload/files/pinerekevakadefogax.pdfIn PDF document text
    • http://mpti.ru/userfiles/file/28056864122.pdfIn PDF document text
    • http://jaipurfabricator.com/newerac2c/userfiles/file/88296657483.pdfIn PDF document text
    • https://altinone.cz/files/ckfiles/file/jekafufupamekijit.pdfIn PDF document text
    • http://wogo.net/data/wogo.net/uploadfiles/file/21994623445.pdfIn PDF document text
    • https://diamond-marketing.cz/soubory/63771269357.pdfIn PDF document text
    • http://elektrostroy.kz/ckfinder/userfiles/files/dewelepovezekevep.pdfIn PDF document text
    • https://harrisitalia.it/uploads/file/fejegokivupujelogojatolu.pdfIn PDF document text
    • https://tw-itemaos.com/ckfinder/userfiles/files/kafefezabuxekosa.pdfIn PDF document text
    • https://angkorphotographyguide.com/userfiles/file/14692364279.pdfIn PDF document text
    • http://captaincook.hu/userfiles/file/97795430540.pdfIn PDF document text
    • http://elitakhealing.com/ckfinder/userfiles/files/17498264658.pdfIn PDF document text
    • https://easternresources.net/ckfinder/userfiles/files/wiledavazirufesupojeteze.pdfIn PDF document text
    • http://anhuifan.com/upload_fck/file/2022-3-11/20220311080225578442.pdfIn PDF document text
    • https://telliogluhukuk.com/userfiles/file/96301247392.pdfIn PDF document text
    • http://hk888.edo2008.com/com/comimg/file/20220311_195942_147.pdfIn PDF document text
    • http://euredit-editions.com/userfiles/file/62340298041.pdfIn PDF document text
    • https://albawadiroad.com/userfiles/files/38720128777.pdfIn PDF document text
    • http://indigobaby.eu/upload/files/42241694529.pdfIn PDF document text
    • http://chia4kids.ru/ckfinder/userfiles/files/lafodixanusezunaxosoj.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://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_off000368b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x368B6 10448 bytes
SHA-256: cbf9f3345dcb17e82a60c75ed4a297fb986740f22eeac7510dd2e8067983a506
font_01_sfnt_off00038056.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x38056 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_02_sfnt_off00039771.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x39771 18888 bytes
SHA-256: e4581d46fad22e77a18bc24c73b3a9a59c6cf07423501894cbf9859322a47610