Malicious PDF — malware analysis report

Static analysis result for SHA-256 8f6e5f57d1219505…

MALICIOUS

PDF

416.2 KB Created: 2022-01-31 21:06:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-30
MD5: f8c249a18a9563b0bc4b783c3c0038f4 SHA-1: 5f572d128e46bb06112961599fdcc50d70a6f548 SHA-256: 8f6e5f57d12195051467b4970873ae6e19325b2e6d797a7fcd2533b303c898c8
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.5880

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.
  • 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.
  • 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://lazav.co.za/XSRYdR1H?utm_term=apprendre+le+fran%C3%A7ais+d%C3%A9butant+pdf PDF link annotation
    • https://aathichudi.org/userfiles/file/paduvur.pdfIn PDF document text
    • http://usefchina.com/uploadfile/file///2021102915573825.pdfIn PDF document text
    • http://sh-ruiyangcpa.com/userfiles/file/2022-1///202218914449196.pdfIn PDF document text
    • https://indiantalentjunction.com/milan/media/bexaz.pdfIn PDF document text
    • http://tsrmmessina.it/userfiles/files/18271684734.pdfIn PDF document text
    • http://sigmabhp.pl/userfiles/file/zasawaso.pdfIn PDF document text
    • https://muzpony.de/obrazki/file/verurefikosozeg.pdfIn PDF document text
    • http://semanbio.com/upload/files/97476700456.pdfIn PDF document text
    • https://mithaiwala.uk/dayafter/uploadimages/newsimages/file/wuniloperopiwupituxodir.pdfIn PDF document text
    • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1617c88a6e7d13---75895324465.pdfIn PDF document text
    • http://for-man-woman.ru/userfiles/files/16835934402.pdfIn PDF document text
    • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1618b487999b13---28131417677.pdfIn PDF document text
    • http://innovatepc.com/userfiles/file/dinuxenerekalesefidubola.pdfIn PDF document text
    • http://www.johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/zatakez.pdfIn PDF document text
    • https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/ff3c932b3e1c299fb2c1b2d0d328c81c/dejaxoxodeza.pdfIn PDF document text
    • http://yamada-kajuen.com/js/kcfinder/upload/files/16275959295.pdfIn PDF document text
    • https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/cfc039ea8fcc04a213c21e975bbec6d0/leruraxamesazurugul.pdfIn PDF document text
    • https://www.starvisaservices.co.uk/application/elements/plugins/kcfinder/upload/files/81006861589.pdfIn PDF document text
    • https://nepalimodelagency.com/userfiles/file/vevumikonotomofax.pdfIn PDF document text
    • http://jlicentral.com/images/authors/file/bikakexezasexifuwaneg.pdfIn PDF document text
    • http://sun-dr.com/uploads/files/202201300005209290.pdfIn PDF document text
    • http://inter-travel.hu/_user/file/kogilodanukagifibarobux.pdfIn PDF document text
    • https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161a8a520cad79---67011524650.pdfIn PDF document text
    • http://www.gets-trade.com/webroot/upload/files/10931246073.pdfIn PDF document text
    • http://watch62.ru/files/files/29586379112.pdfIn PDF document text
    • http://bionic-hill.com/resources/files/denoverezu.pdfIn PDF document text
    • http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1613c0b7649d92---238536031.pdfIn PDF document text
    • https://demircanticaret.com/userfiles/file/31250297433.pdfIn PDF document text
    • https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/d480c878c61287b46e315e80a04169be/24505598536.pdfIn PDF document text
    • https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/161bf396e3e8cb---rafasilasawapekabarod.pdfIn PDF document text
    • http://dabaizhongxue.com/upload_fck/file/2021-9-7/20210907210035298719.pdfIn PDF document text
    • http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1618950135e8c4---77338707566.pdfIn PDF document text
    • https://anfauglir.com/images/file/nazaru.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 extracted file (font_00_sfnt_off0006110e.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0006110e.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0006110e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6110E 10944 bytes
SHA-256: a17dc35179d1c0091ccdc8d787c794aa9e82a054f9173c3a52eb91afe6f1f1fe
font_01_sfnt_off000629ff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x629FF 18804 bytes
SHA-256: bfa9137ae1f16864546e1602a2d61bb7b82ebd03a04d551234d7f6fc7b8769ca
font_02_sfnt_off000658dd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x658DD 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336