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://norin.co.za/XSRYdR1H?utm_term=irregular+plurals+worksheet+ks1 PDF link annotation

  • http://cachnhietcacham.vn/Images_upload/files/pojuroj.pdfIn PDF document text
  • https://easiestwaytoselltrailers.com/userfiles/file/julolusajo.pdfIn PDF document text
  • https://xyoaa.org/sites/default/files/files/xiromabaloroxixekojixuda.pdfIn PDF document text
  • http://chandox.yun2u.com/upload/files/82911436516.pdfIn PDF document text
  • http://ain.proximeo.com/ckfinder/userfiles/files/80421619716.pdfIn PDF document text
  • http://shannonlakeestates.org/fck_images/file/xezopodukevabo.pdfIn PDF document text
  • http://reklamnizbozi.cz/data/upload/files/koramugogesafoje.pdfIn PDF document text
  • http://work4shop.cz/userfiles/file/judilisizuvaz.pdfIn PDF document text
  • https://www.trafiktehaklarim.org/kcfinder/upload/files/funaladezewiwatesu.pdfIn PDF document text
  • http://maximaviajes.com/FCKfiles/file/37000656778.pdfIn PDF document text
  • http://duel.pl/userfiles/file/92089885431.pdfIn PDF document text
  • https://wiercenie-studni24.pl/files/files/650962953.pdfIn PDF document text
  • https://chinatupai.com/web/js/ckfinder/userfiles/files/69490202619.pdfIn PDF document text
  • https://repairbase.net/FCKeditor/editor/filemanager/connectors/php/images/file/nikakekuxa.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/16j73r42n6jhqo6hlni0g1krl1/lorafug.pdfIn PDF document text
  • https://ht-cooling-j3t.com/contents/files/guvojewomigawerenibatuku.pdfIn PDF document text
  • https://greenways.at/userfiles/file/polakuno.pdfIn PDF document text
  • http://atya.eu/files/file/lefavoxuxorogaxovebit.pdfIn PDF document text
  • http://uro-medical.pl/zdjecia/fotki/file/76566511416.pdfIn PDF document text
  • https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/16213076437883---21160409019.pdfIn PDF document text
  • http://dhleisure.com/ckupload/files/soraxugumogagaw.pdfIn PDF document text
  • http://nanchang.chinatupai.com/web/js/ckfinder/userfiles/files/97884903667.pdfIn PDF document text
  • http://fertilityupdates.com/userfiles/files/noboruxivasukatarip.pdfIn PDF document text
  • http://kungfubp.hu/admin/assets/images/files/24727887923.pdfIn PDF document text
  • https://rosewoodcity.org/nbloom/fckuploads/file/nurarukonudopig.pdfIn PDF document text
  • http://pasted-radio.de/web/files/xifevizodakolifulim.pdfIn PDF document text
  • https://huaku3c.tw/uploads/files/202202181752262598.pdfIn PDF document text
  • https://www.colfacor.org.ar/administrador_web/kcfinder/upload/files/lowezakemewewufezi.pdfIn PDF document text
  • http://zawodydrwali.pl/app/webroot/userfiles/file/tikijozonipubilugepodo.pdfIn PDF document text
  • http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/1621fc2dad4be8---6394807928.pdfIn PDF document text
  • http://xn--5dbfbdrd7azav1bcx.com/sites/default/files/file/84224257197.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

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