Malicious PDF — malware analysis report

Static analysis result for SHA-256 f99a8eb6b051f59d…

MALICIOUS

PDF

203.4 KB Created: 2022-03-15 07:24:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-13
MD5: a24ee21e8aa7e6f016fa52e1c454cd49 SHA-1: 8c8205ce2fb8f470dfde148a548a57e62a062c58 SHA-256: f99a8eb6b051f59d5218ee96c754dc1618b9b5d2d38259f990b19b3035e9bb68
144 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.8308

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://lovig.co.za/XSRYdR1H?utm_term=idrivesafely+final+exam+answers PDF link annotation
    • https://gospel-streams.com/asset/ckfinder/userfiles/files/xubuwax.pdfIn PDF document text
    • https://elpollopaulino.com/cenavarra_userfiles/files/tokozi.pdfIn PDF document text
    • http://ibarugi.com/fckeditor/userfiles/file/65356542288.pdfIn PDF document text
    • https://soudurelausiere.com/upload/editor/file/38915216797.pdfIn PDF document text
    • http://hadjtaharsteel.com/app/webroot/js/kcfinder/upload/files/21344767012.pdfIn PDF document text
    • http://takramaipai.com/mypicture/file/pelimoketazuzob.pdfIn PDF document text
    • https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161ff99f7c41ed---robakodibuxemufuguz.pdfIn PDF document text
    • http://antonio-pelella.eu/userfiles/files/1326347182.pdfIn PDF document text
    • http://matraholding.hu/images/userfiles/files/ritotulexusovakoj.pdfIn PDF document text
    • https://verticala.ro/images/userfiles/49245956017.pdfIn PDF document text
    • http://yugang360.com/upload_fck/file/2022-2-6/20220206024339115197.pdfIn PDF document text
    • http://arkapizzeria.com/kcfinder/upload/files/31401402736.pdfIn PDF document text
    • https://aashianarealty.com/file/wafugu.pdfIn PDF document text
    • https://torreguitart.cat/fotos/subidas/files/figovejur.pdfIn PDF document text
    • https://equalland.com/uploads/File/gevakuzuwozanatepuzaf.pdfIn PDF document text
    • http://seidels-mineralienwelt.de/images/uploaded/file/70037877667.pdfIn PDF document text
    • http://banderlogclub.ru/kcfinder/upload/files/46894402706.pdfIn PDF document text
    • https://zooiguana.pl/app/webroot/media/files/losekixevudutuvagage.pdfIn PDF document text
    • http://geraldinekilkelly.ie/67330793878.pdfIn PDF document text
    • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/7iput6nri7snu9pu7hfsnntnhj/46505861778.pdfIn PDF document text
    • https://www.rt9.rspo.org/ckfinder/userfiles/files/38353296870.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_off0002bb8f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2BB8F 19796 bytes
SHA-256: 158a355d2ec6507371b1aa640be699bb1b26cf9f2fb758ea8d4f8c4b88f505cc
font_01_sfnt_off0002ef6e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2EF6E 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_02_sfnt_off0003068e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3068E 10616 bytes
SHA-256: 3f9388a52f68510fbbf0c65a2d4f7936ff70475572b9220856b0f577d302b35b

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