Malicious PDF — malware analysis report

Static analysis result for SHA-256 116b21fea65bc1de…

MALICIOUS

PDF

407.5 KB Created: 2022-03-24 11:12:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-04
MD5: 97081c082084fdf162094a03abdcd948 SHA-1: d967a85456e36e7f9c760aa60b676125d08052b5 SHA-256: 116b21fea65bc1de9b4a805dea80d86ea4e4b0ce92826a2dec3d0e1f1f138df3
174 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7309

Heuristics 7

  • 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.
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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=save+my+seoul+download PDF link annotation
    • http://russkayabronza.com/userfiles/file/35268413571.pdfIn PDF document text
    • https://schneider-rozetki.su/kcfinder/upload/files/fuluravowokulet.pdfIn PDF document text
    • http://elmakoleji.k12.tr/public/kcfinder/upload/files/9901618766.pdfIn PDF document text
    • https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/8969c5f4674362fd8ea73d56741b72dc/nusobegiwuxelupibekamofef.pdfIn PDF document text
    • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1622e9e721f1c6---tulivumeparalatupibore.pdfIn PDF document text
    • http://panelko.hu/files/files/tutefepekujup.pdfIn PDF document text
    • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/162214b33d52d7---dodizurav.pdfIn PDF document text
    • http://rostocker-taxi.de/resources/files/jenuvupal.pdfIn PDF document text
    • http://vetportonaccio.it/userfiles/files/bodakifid.pdfIn PDF document text
    • https://www.escolamacrobiotica.pt/backoffice/assets/js/kcfinder/upload/files/55597815480.pdfIn PDF document text
    • http://proxima-online.it/public/file/3558843210.pdfIn PDF document text
    • https://rakowka.pl/userfiles/file/gusawijetobe.pdfIn PDF document text
    • http://bluelakehomestay.com/uploads/image/files/jifurejifux.pdfIn PDF document text
    • https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/8277ea1da28f75b57ea55f35ddb346f9/33499823192.pdfIn PDF document text
    • http://zivotzaokny.eu/res/file/nixow.pdfIn PDF document text
    • http://alocainghien.com/uploads/userfiles/file/zuwixipokes.pdfIn PDF document text
    • http://ww2.forte.com.pl/js/ckeditor/kcfinder/uploads/files/43067122507.pdfIn PDF document text
    • http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/1622c9bc2da172---peloteduwopuso.pdfIn PDF document text
    • http://twfindia.in/userfiles/files/mezunobelojike.pdfIn PDF document text
    • https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/162250cfaf0818---41293571855.pdfIn PDF document text
    • http://bf4.nim.ru/userfiles/files/gogaligopozanu.pdfIn PDF document text
    • https://inprovituruguay.com/ckfinder/userfiles/files/maxap.pdfIn PDF document text
    • https://hanyauntuktesting.com/contents/files/bosiwezatarikiwiwerovim.pdfIn PDF document text
    • http://ahjygjg.com/upload_fck/file/2022-3-24/20220324120502519631.pdfIn PDF document text
    • http://kotauto.ru/img/photo/files/33637562781.pdfIn PDF document text
    • http://www.iharoskezmuvesek.hu/ckeditor/kcfinder/upload/files/39960914371.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_off0005f04b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F04B 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off00060766.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60766 18316 bytes
SHA-256: a99ba83a91aaa52511dab47a5abc439faf7c62ceac4bd64840136d4e3b4905cb
font_02_sfnt_off000636f4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x636F4 10560 bytes
SHA-256: b6d66b2cb5ebf77a83293a4d43725a79f61d6929bdf6001f5766c77c351b6242