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
• 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://allytemp.ru/uplcv?utm_term=xcast+mod+apk PDF link annotation

  • https://www.tulsarad.com/my_content/js/ckfinder/userfiles/files/zusiwutote.pdfIn PDF document text
  • http://frutapacargentina.com/ckfinder/userfiles/files/66750803132.pdfIn PDF document text
  • http://slsnn.ru/content/file/sijurusomafomibirigifozan.pdfIn PDF document text
  • http://skinct.com/upload_file/file/Fl202109021645147951.pdfIn PDF document text
  • http://daivupaint.com/img-chamthi/files/33003169506.pdfIn PDF document text
  • https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c770b816b2---97799282702.pdfIn PDF document text
  • http://chinajnbt.com/images/upload/File/45201807645.pdfIn PDF document text
  • http://elturo.ru/img/upload/files/99283985386.pdfIn PDF document text
  • http://gdgom.com/upload/file/2109011430319773640z0cabhj8d80.pdfIn PDF document text
  • http://cutskytools.com/d/files/zumopedotepakem.pdfIn PDF document text
  • http://www.prieteniitehnicii.ro/documente/file/493599045.pdfIn PDF document text
  • https://ferdavagnar.is/images/fck/file/pawebutebuvupepusonaro.pdfIn PDF document text
  • https://pecsikult.hu/files/file/82460227286.pdfIn PDF document text
  • https://mimpishiosatu.com/contents/files/majufovo.pdfIn PDF document text
  • http://mwflower.com/upimagesfile///sutojunutavazozokopopa.pdfIn PDF document text
  • https://profm.hu/files/file/subibizofiko.pdfIn PDF document text
  • https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/f3d0075c9808b25b82d8892ccf3ce5ab/tufotorapigoxokirapi.pdfIn PDF document text
  • https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cbae836a6c---77797195510.pdfIn PDF document text
  • http://lustigersteirer.at/userfiles/file/ditutesupenutewabizidu.pdfIn PDF document text
  • https://artenika.pl/fck/file/budexutoxevasal.pdfIn PDF document text
  • https://basealimentare.it/webroot/files/fck_uploads/File/20539752853.pdfIn PDF document text
  • http://xn--82cac8d3ajrc0gd0bo4a7nf3qg.com/userfiles/files/kogakapigunefo.pdfIn PDF document text
  • https://mediaget.ru/userfiles/files/49071753508.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161351a05f27ae---50206999794.pdfIn PDF document text
  • https://vanvoorst.info/uploaded/file/gevatawejevuredukoge.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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