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
• 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 67 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.
• AcroForm button with action trigger low PDF_ACROFORM_BUTTON
  PDF contains a /Btn form field together with a SubmitForm/URI/Launch/JS trigger — this is the building block of fake 'Download' or 'Open' button overlays used in PDF phishing lures
• 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://uniquecharacters.com/upload/files/28914516360.pdf In PDF document text

  • https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/fgl88q7r254a6j56tmpvpser7q/solupipot.pdfIn PDF document text
  • http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/16132a5c8e77b5---21105988653.pdfIn PDF document text
  • https://pensiunea-escape.ro/ckfinder/userfiles/files/gojefezilazoroxemepenura.pdfIn PDF document text
  • http://bephoangdung.vn/uploads/ckfinder/files/31394815729.pdfIn PDF document text
  • http://billagelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/77088390884.pdfIn PDF document text
  • http://maynenkhipuma.vn/quangbasanpham/app/webroot/upload/image/files/sekunikopilo.pdfIn PDF document text
  • https://pcparts.fr/ckfinder/userfiles/files/35752426938.pdfIn PDF document text
  • http://ksiclub.org/projects/achievemore/admin/upload/fckImages/file/lufujejuf.pdfIn PDF document text
  • http://alt-1c.ru/userfiles/file/49850646025.pdfIn PDF document text
  • http://rdmsrl.it/userfiles/files/wefemoregi.pdfIn PDF document text
  • https://dolnoslaskialarmsmogowy.pl/imgturysta/files/nibefizitimufirinujumezi.pdfIn PDF document text
  • http://businessplan-capalpha.fr/mbp/upload/images/images/upload/ckfinder/38445867110.pdfIn PDF document text
  • http://assushop.com/userfiles/assushop.com/file/fomorided.pdfIn PDF document text
  • http://k3projekt.pl/uploads/userfiles/files/rajezigivi.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161303d6450749---71702504320.pdfIn PDF document text
  • http://adveotec.com/img/file/44069014796.pdfIn PDF document text
  • http://architettipassarinmarzotto.com/userfiles/files/mipobularidutafod.pdfIn PDF document text
  • https://alohasafaris.com/files/17633760425.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/63298790895.pdfIn PDF document text
  • https://www.pharmawell.eu/ckfinder/userfiles/files/wifima.pdfIn PDF document text
  • https://bursac.net/userfiles/file/51720821229.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=how+to+cast+mobile+screen+on+desktopPDF 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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