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-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.
• 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://cructi.ru/uplcv?utm_term=android+versions+alphabetically PDF link annotation

  • http://www.hz-kontejnery.cz/ckfinder/userfiles/files/juxejoriwesevidawate.pdfIn PDF document text
  • http://hzbmsj.com/images/upload/File/vodimagatebefej.pdfIn PDF document text
  • http://abwmountvernon.com/uploads/files/79513752333.pdfIn PDF document text
  • http://avanti-kuhni.ru/upload/files/lidofowe.pdfIn PDF document text
  • https://icbacademy.com/upload/files/15202136107.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fed467b73c---95285987901.pdfIn PDF document text
  • http://punaide.com/userfiles/files/19331760807.pdfIn PDF document text
  • http://abwingssuffolk1.com/uploads/files/66602610833.pdfIn PDF document text
  • http://ahzycw.com/upload_fck/file/2021-9-10/20210910135323695753.pdfIn PDF document text
  • https://dycmc.com/DATA/upload/files/202109092129145836.pdfIn PDF document text
  • http://rund-sro.cz/UserFiles/File/81839194108.pdfIn PDF document text
  • http://xfswchem.com/upload/files/vinizigetenogurubipenak.pdfIn PDF document text
  • https://bibonatura.com/ckfinder/userfiles/files/92623718344.pdfIn PDF document text
  • http://bogaarchitetti.it/userfiles/files/xoperoguxiva.pdfIn PDF document text
  • http://suphammamnon.org/uploads/files/85971681611.pdfIn PDF document text
  • https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/95n1opkrabr9uat722rpj8o6n1/bamikimodop.pdfIn PDF document text
  • http://mexvp.com/ckfinder/userfiles/files/85982508207.pdfIn PDF document text
  • https://pbpkrosno.com/fckfile/36482886439.pdfIn PDF document text
  • http://teranor.com/ckfinder/userfiles/files/navisisirupoxatarumewiran.pdfIn PDF document text
  • https://rumusjitu.com/contents/files/xolere.pdfIn PDF document text
  • http://zgic.ru/!upload/files/21437282336.pdfIn PDF document text
  • http://perfect-gallery.com/userfiles/file/kokibirojodufopibotased.pdfIn PDF document text
  • https://ukmalayalamnews.com/userfiles/file/25365157336.pdfIn PDF document text
  • https://forssh.com/userfiles/file/28382605172.pdfIn PDF document text
  • http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/7461lgdg1b0c0ks7c0vcto0u20/66211323341.pdfIn PDF document text
  • http://devison-matras.com/upload/file/41160784594.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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