Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• JavaScript action low PDF_JAVASCRIPT
  PDF contains a /JavaScript action. 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://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/9f552fc384f0cc353b83817e4278df67/97424096896.pdf In PDF document text

  • https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135fb521ec25---12602602172.pdfIn PDF document text
  • https://jpt.mysmartedu.com/uploadimages/files/56967991016.pdfIn PDF document text
  • http://precisao.org/files/files/13171783377.pdfIn PDF document text
  • http://astprom.ru/sites/default/files/file/55415331723.pdfIn PDF document text
  • https://kozlovka.mebel18.com/uploads/files/bamiloro.pdfIn PDF document text
  • http://acm-medicali.it/userfiles/files/lanavarusab.pdfIn PDF document text
  • http://alnoorcity.com/userfiles/file/70082579676.pdfIn PDF document text
  • http://www.sanjuktabanerjee.com/fckimages/file/dodanidetusug.pdfIn PDF document text
  • http://berbun.com/user_img/file/23976137709.pdfIn PDF document text
  • https://www.borzabadi.com/ckfinder/userfiles/files/10334869436.pdfIn PDF document text
  • http://108shiva.com/userfiles/file/In PDF document text
  • https://socardan.com/userfiles/files/menizim.pdfIn PDF document text
  • http://cukiernia-waltar.pl/qcms/userfiles/file/36066118654.pdfIn PDF document text
  • http://madinaboys.com/easydo%20v2.00/files/uploads/watuxujenomawuva.pdfIn PDF document text
  • https://guptajimarriagebureau.com/userfiles/file/jozililonal.pdfIn PDF document text
  • http://newtarrytowndeli.com/uploads/files/88800671098.pdfIn PDF document text
  • https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/00e3c2f8c1ca3ab5746b825af26eac1c/famugejitimokepeludi.pdfIn PDF document text
  • http://fundacjaproartis.pl/javascript/ckfinder/userfiles/files/zilagenodijulib.pdfIn PDF document text
  • http://ipceurope.be/assets/file/58506740672.pdfIn PDF document text
  • https://digireg.nu/upload/57651488030.pdfIn PDF document text
  • http://doudou.tw/userfiles/files/bemujawijanetefitimafat.pdfIn PDF document text
  • http://packagingandfoodmachinary.com/userfiles/file/vukopegedimopogobefodi.pdfIn PDF document text
  • http://www.corazondelsol.es/ckfinder/userfiles/files/71649243088.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=day+countdown+widget+androidPDF 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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