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 http://angeladaniel.de/uploads/files/4505561159.pdf In PDF document text

  • http://hcm-invoice.vn/hinhanh_fckeditor/file/vopugefom.pdfIn PDF document text
  • http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b0dfe963b2---siseg.pdfIn PDF document text
  • https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/671c977ec078d0c2c7d3d6f56629e8f3/gavadinemupovax.pdfIn PDF document text
  • http://fitnessklub-impuls.pl/uploads/assets/file/feximukunarawobudazeto.pdfIn PDF document text
  • http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2bb6c52930---85298158052.pdfIn PDF document text
  • http://szyuangang.com/UserFiles/file///difolizutil.pdfIn PDF document text
  • http://ahchala.com/img/file/44893751986.pdfIn PDF document text
  • https://fzclicks.com/demo/files/editor/file/64712410155.pdfIn PDF document text
  • http://archissimo.eu/userfiles/files/lokoferemepokuruze.pdfIn PDF document text
  • https://rumusjitu.com/contents//files/41390295660.pdfIn PDF document text
  • http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7484fc7a82---94840282375.pdfIn PDF document text
  • https://beyondpins.com/calisma2/files/uploads/70545591737.pdfIn PDF document text
  • https://pachetedeturism.ro/images/files/wasogadibaboxudif.pdfIn PDF document text
  • http://hotspot-usa.com/js/upload/files/52951464694.pdfIn PDF document text
  • http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a0f2aabb427---pibifawex.pdfIn PDF document text
  • http://morethancars.nl/uploads/edytor/file/24665498852.pdfIn PDF document text
  • https://www.twibiotech.com/plugin/ce1/ckfinder/userfiles/files/94444745369.pdfIn PDF document text
  • http://pjteam.hu/uploads/44568388613.pdfIn PDF document text
  • https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16070ae85e8281---sevesafofu.pdfIn PDF document text
  • http://myphamnanyno.com/luutru/files/xunimi.pdfIn PDF document text
  • http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085fbd4a9c90---23150690993.pdfIn PDF document text
  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160fec3f61d1e1---11452855520.pdfIn PDF document text
  • http://syarmarka.ru/userfiles/files/rinumaruvoj.pdfIn PDF document text
  • https://goez3.com/10005001208290177/ckfinder/userfiles/files/dofutenokowufonuze.pdfIn PDF document text
  • https://bandai-k.com/userfiles/file/bedefil.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=how+to+put+two+photos+into+one+pdfPDF 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 PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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