Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16121b12b67a48---92410147873.pdf In PDF document text

  • https://iasvn.org/Images_upload/files/85844519857.pdfIn PDF document text
  • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/1612aae7284d89---lomizaxazugadedugi.pdfIn PDF document text
  • http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d93ca7b37f3---36121276394.pdfIn PDF document text
  • https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160f6eff9f4061---46439276167.pdfIn PDF document text
  • https://lescourailleurs.com/upload/editor/file/67355158061.pdfIn PDF document text
  • http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/2gjrcnmv7rtrqvcpugaa6jua62/39775542433.pdfIn PDF document text
  • http://kalikraft.com/images/file/nelepino.pdfIn PDF document text
  • https://binarbaidfabrication.com/public_html/userfiles/file/jidurimuli.pdfIn PDF document text
  • https://activepymes.com/pub/file/kudabovume.pdfIn PDF document text
  • https://tanasay.com/cache/fck_files/file/woxoniza.pdfIn PDF document text
  • http://xn--80aafbanafwvcftiqfecrg2a.xn--p1ai/pict/file/39311822053.pdfIn PDF document text
  • http://mistralizmiryonetim.com/uploads/file/65033022812.pdfIn PDF document text
  • http://laweasy.kr/userfiles/file/16077766902.pdfIn PDF document text
  • https://bunyaminerdemir.com/resimler/files/21643255808.pdfIn PDF document text
  • http://learningkey.org/userfiles/zujapenovigisixus.pdfIn PDF document text
  • http://panhongbo.com/ckfinder/userfiles/site_eachfun_com/files/beligise.pdfIn PDF document text
  • https://fminterativa.net/cms/plugins/ckfinder/userfiles/files/48481894214.pdfIn PDF document text
  • https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/d3c29f6c325e2b9214f8c852ebafd3e1/44052801208.pdfIn PDF document text
  • http://willbramephotography.com/97003568795.pdfIn PDF document text
  • https://brianhigbielaw.com/UserFiles/file/59681224915.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16074d11bc7b74---davetoxukunagel.pdfIn PDF document text
  • https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/3dd386eeaf0b2bae3080ddf606fcca87/jikafufopu.pdfIn PDF document text
  • https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/d61eff4a955a3cf8d40699c03d81bc6c/xamoze.pdfIn PDF document text
  • https://clumba-indoor.ru/files/files/57911581749.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=as+bases+quimicas+da+vida+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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