Malicious PDF — malware analysis report

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://fundacjacat.halpress.eu/userfiles/file/45436985858.pdf In PDF document text

  • http://lineshare.net/upload/files/20211110013831.pdfIn PDF document text
  • http://quocteanviet.com/img-chamthi/files/fupurinifufesosefano.pdfIn PDF document text
  • http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161466bdf167b5---15773638150.pdfIn PDF document text
  • http://qdfhyx.com/userfiles/file/74024935053.pdfIn PDF document text
  • http://xn--80aantfcaehjbxzf1m.xn--p1ai/userfiles/file/88074714144.pdfIn PDF document text
  • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16196c63be578d---xokivitovomoda.pdfIn PDF document text
  • http://petukmahaaaraj.com/userfiles/file/90385061345.pdfIn PDF document text
  • https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/1614007939c7fb---88691385158.pdfIn PDF document text
  • http://dagmare.de/userfiles/file/wasatusuvurojinu.pdfIn PDF document text
  • https://wegofa.com/userfiles/file/19318995714.pdfIn PDF document text
  • https://hitpoint.tw/userfiles/file/53587821856.pdfIn PDF document text
  • http://drivescuolaguida.it/userfiles/files/82442877379.pdfIn PDF document text
  • https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/0674795a1586d9f5326742b207e00a39/guxaxidi.pdfIn PDF document text
  • http://sys-svinding.dk/userfiles/file/64994726382.pdfIn PDF document text
  • http://videoacceso.com/wp-content/plugins/formcraft/file-upload/server/content/files/161b3a47858ad2---gisodonuxazaturiwusodig.pdfIn PDF document text
  • https://naukriguru.com/php/uploads/file/borotiwezat.pdfIn PDF document text
  • https://kingwrapcarspa.com/upload/files/mozoluwok.pdfIn PDF document text
  • http://corising.info/sa_upload/userfiles/file/20210919092450.pdfIn PDF document text
  • https://www.hs-hofgastein.salzburg.at/ckfinder/userfiles/files/muzoleruwibozubasep.pdfIn PDF document text
  • http://joesservicecenternj.com/userfiles/files/kedojesemo.pdfIn PDF document text
  • http://labmansour.com/app/webroot/js/ckfinder/userfiles/files/nitoz.pdfIn PDF document text
  • http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/16183f6759090e---56747843245.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Gsjc/~3/vItLtdF7Pec/uplcv?utm_term=where+is+the+drain+filter+on+a+samsung+front+load+washerPDF link annotation
  • 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_off0003ac90.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0003ac90.bin)

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