Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://smidgel.ru/uplcv?utm_term=body+parts+for+grade+1+worksheet PDF link annotation

  • https://52fantasies.com/home/holly/public_html/ckfinder/userfiles/files/rotixedokuweromu.pdfIn PDF document text
  • https://mimpiindah168.com/contents/files/sunovunogerovinop.pdfIn PDF document text
  • https://doanhnghiepvietnam.org/img_duhoc/files/junukemapoliv.pdfIn PDF document text
  • https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/160872792da257---mewamupuwesojur.pdfIn PDF document text
  • http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1612b4b3647ef8---89564916439.pdfIn PDF document text
  • http://fireprovietnam.net/luutru/files/69918985629.pdfIn PDF document text
  • http://comp-art.ru/userfiles/file/selawetidexob.pdfIn PDF document text
  • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/iihdo82l2i958l4tar8nj6o3fe/40320679845.pdfIn PDF document text
  • http://sp3siemianowice.pl/userFiles/files/konikaz.pdfIn PDF document text
  • http://aodaiminhhanh.com/app/webroot/uploads/files/vonupigejekaze.pdfIn PDF document text
  • https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/207a3f2800282b3a38290abcecb4ec04/xizubabubokovapidi.pdfIn PDF document text
  • http://beijingxinzhi.com/userfiles/file/20210817235412_1265085749.pdfIn PDF document text
  • http://senseoftourism.dk/userfiles/file/94006535879.pdfIn PDF document text
  • http://icmasistemas.com/userfiles/files/14657986580.pdfIn PDF document text
  • http://saxonrt.hu/img/userfiles/files/vomuwakafelakodifiwamerik.pdfIn PDF document text
  • https://a2designbg.com/userfiles/file/87092679830.pdfIn PDF document text
  • http://sanphamhanquocymy.com/uploads/files/83749997590.pdfIn PDF document text
  • https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16077b6c053e25---vasukidobilegegolidave.pdfIn PDF document text
  • http://www.palmettoexpresslanes.com/system/js/back/ckfinder/userfiles/files/musagomiditikamag.pdfIn PDF document text
  • http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/70392250799bc9cda31906b75fd4c59c/96012789335.pdfIn PDF document text
  • http://erpos.sk/data/files/37552022847.pdfIn PDF document text
  • https://cambodiadriverservice.com/userfiles/file/nufilipozisidadumixosujo.pdfIn PDF document text
  • http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c92007ebc28---1916049881.pdfIn PDF document text
  • http://xn--brneneskontor-landsforening-b0c.dk/userfiles/file/99357093949.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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