Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd740a9dcffd804d…

MALICIOUS

PDF

140.7 KB Created: 2022-02-16 11:14:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19
MD5: eee9b2e947309c561075ded552e4b0ae SHA-1: f9e0e755a2617eccb737cfa5d2d9f89a01f096df SHA-256: cd740a9dcffd804d77451936accfb235f573444d18798a5900e6a2e7e4d0596a
164 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9454

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
  • 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.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. 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://podar.co.za/XSRYdR1H?utm_term=anthem+medicare+advantage+provider+guidebook PDF link annotation
    • http://taketty.xyz/js/ckfinder/userfiles/files/25419338106.pdfIn PDF document text
    • http://xn--nellieskche-0hb.de/userfiles/file/zewanojufukokalizukazu.pdfIn PDF document text
    • https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/f283b168d23e1bb1a9e5370739106b32/ziwipimoxizodonivipifaved.pdfIn PDF document text
    • https://www.escolamacrobiotica.pt/backoffice/assets/js/kcfinder/upload/files/32657623359.pdfIn PDF document text
    • http://stefanourso.com/public/userfiles/file/rodukelawikuzorasetol.pdfIn PDF document text
    • https://ddc-touggourt.dz/ar/files/siziwoj.pdfIn PDF document text
    • http://ed-web.cz/userfilesfile/nepulumomegufomiketejunu.pdfIn PDF document text
    • http://zwickerfoto.hu/_user/file/riguposuratap.pdfIn PDF document text
    • https://sanmuabandoanhnghiep.org/images/content/files/97799733677.pdfIn PDF document text
    • http://smingames.com/ckfinder/files/62394385419.pdfIn PDF document text
    • https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/16156e8d6f1715---86390748137.pdfIn PDF document text
    • http://canadianrockies.ca/files/file/18186694068.pdfIn PDF document text
    • https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/48a49e8102f26f38d24b9f56737547d5/50931566761.pdfIn PDF document text
    • https://line.storerightdesicion.com/ping/?time.js/wp-content/plugins/formcraft/file-upload/server/content/files/161c5d9c5addeb---64610662315.pdfIn PDF document text
    • https://gyn-koe70.de/obrazky/file/40520307299.pdfIn PDF document text
    • https://onutglen.com/caningest/images/file/nimovilebu.pdfIn PDF document text
    • http://davcpundri.com/css/file/kevudove.pdfIn PDF document text
    • http://peneleos.pl/userfiles/file/93421444230.pdfIn PDF document text
    • https://ppsu.cz/files/file/50828655463.pdfIn PDF document text
    • http://getdol.com/page_data/file/pumedawozikas.pdfIn PDF document text
    • http://rtm-plus.ru/ckfinder/userfiles/files/84116604324.pdfIn PDF document text
    • http://aminotp.com/upload/files/masuvifimuta.pdfIn PDF document text
    • http://nexxstep.nl/userfiles/file/79244453458.pdfIn PDF document text
    • https://zlato-stribro-investice.com/upload/files/dirapigivurelosiwazodudu.pdfIn PDF document text
    • https://alrukn.co/userfiles/files/99026952023.pdfIn PDF document text
    • http://www.halpellet.hu/userfiles/files/18129151581.pdfIn PDF document text
    • http://xn--80aejmo0alc.xn--p1ai/ckfinder/userfiles/files/luduselagopefulukofubiv.pdfIn PDF document text
    • http://electronicascanaresas.com/kcfinder/upload/files/vuvovegolutuli.pdfIn PDF document text
    • http://chmer.yun2u.com/upload/files/70427036316.pdfIn PDF document text
    • http://rinsacars.com/files/others/29525823450.pdfIn PDF document text
    • http://bandodesign.com/assets/ckeditor/kcfinder/upload/files/xifupolapigawazim.pdfIn PDF document text
    • https://adikkedua.com/contents/files/38180298584.pdfIn PDF document text
    • http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/161be47cd3c219---61681816871.pdfIn PDF document text
    • http://tuzvedo.hu/elemek/file/46242574441.pdfIn PDF document text
    • http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613be0518b2b9---94631506504.pdfIn PDF document text
    • https://ofly.om-digitalsolutions.cn/upload/files/28078934897.pdfIn PDF document text
    • https://registracijakoncar.com/webroot/js/ckfinder/userfiles/files/gifanened.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_off0001c143.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1C143 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off0001d863.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1D863 11128 bytes
SHA-256: 63e3e3790dbd5a8705d5fe730cc9d15656885d52b7e33cc088dca527a8e88655
font_02_sfnt_off0001f1bb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1F1BB 18880 bytes
SHA-256: 662f6ce4ef8edf8bfb9c404d0458a2ca67944fd960f167d666ecaebc43cc93a8

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