Malicious PDF — malware analysis report

Static analysis result for SHA-256 c5d4e2de7a62412b…

MALICIOUS

PDF

380.9 KB Created: 2022-02-03 16:49:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-28
MD5: 8ea9ca4ba4f6a78d560a662015eb26aa SHA-1: 217ad02b09594cf6ce7c1c931bdc65c753de8178 SHA-256: c5d4e2de7a62412b79dc872e67767c92f57c12141cc74c5bb4e51464358361c8
144 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.6606

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://yubit.co.za/XSRYdR1H?utm_term=finding+slope+practice+worksheet PDF link annotation
    • http://humanitool.ru/userfiles/file/64134262580.pdfIn PDF document text
    • http://taxplus.in/images/contentimages/files/xuxudoteno.pdfIn PDF document text
    • http://xn--42-6kcdlkbomh7beggito5p.xn--p1ai/userfiles/file/savapanopanorafarilebokem.pdfIn PDF document text
    • http://terrietanaka.com/library/files/riwiwexilosowa.pdfIn PDF document text
    • http://location-en-guadeloupe.com/js/kcfinder/upload/files/zilad.pdfIn PDF document text
    • http://www.coverseg.com/uploads/ckfinder/files/denalenarupofuzarevakit.pdfIn PDF document text
    • http://psn-monolit.ru/img_file/files/31013523410.pdfIn PDF document text
    • https://bhiringisamsankalimandir.org/userfiles/file/27487956060.pdfIn PDF document text
    • http://autodilygood.cz/files/file/vijajimawul.pdfIn PDF document text
    • http://tweedehandswikkelaar.nl/app/webroot/files/userfiles/files/lajajoforo.pdfIn PDF document text
    • http://legalhouse.pl/files/files/tubimijexipuvorisamo.pdfIn PDF document text
    • http://trendybiz.in/usersfiles/file/21803627458.pdfIn PDF document text
    • http://gold-carsales.com/js/upload/files/62163062662.pdfIn PDF document text
    • https://aykutemlak.com/upload/ckfinder/files/lixibatikubusoxij.pdfIn PDF document text
    • https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/1616c0f35db059---34558901316.pdfIn PDF document text
    • http://helenhotel.vn/upload/files/jagaxofakapazonak.pdfIn PDF document text
    • http://irs-messtechnik.at/upload/33576803386.pdfIn PDF document text
    • http://sungsam.net/userData/board/file/24117574983.pdfIn PDF document text
    • https://bulkleynechako.gocascadia.com/images/cms/file/45816860562.pdfIn PDF document text
    • http://etasystem.net/userfiles/files/1227651618.pdfIn PDF document text
    • http://bachtungcompany.com/upload/files/13533603953.pdfIn PDF document text
    • https://avigailpekelman.com/sites/default/files/file/buvasumimekajibemegexi.pdfIn PDF document text
    • http://ondrejkocar.cz/img/file/vanojogoru.pdfIn PDF document text
    • http://louisiana-arts.org.s150269.gridserver.com/siteuploads/editorimg/file/xazajugerarafazuregekivo.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_off00058734.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x58734 17208 bytes
SHA-256: 1886dc22fc3a996031c2e560eca501a240a4ff43acd9d0ccef5a343e6ea37bc9
font_01_sfnt_off0005b44d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5B44D 10948 bytes
SHA-256: 160c031bbdef736c2dcfdb45f1b6d33d0320783e23796f83901e489914b601f7
font_02_sfnt_off0005cd70.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5CD70 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9

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