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.
• JavaScript action low 1 related finding PDF_JAVASCRIPT
  PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://spielundlicht.de/content_provider/documents/files/24100245092.pdf In PDF document text

  • http://www.oe.com.tw/ezadmin/ckfinder/userfiles/files/32357082668.pdfIn PDF document text
  • http://diadiemvui.com/upload/files/pepatezuzipipajipofixudu.pdfIn PDF document text
  • http://jinshi66.com/uploadfiles/files/53924029719.pdfIn PDF document text
  • https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/23054d61bc31381fb50505984f959dcf/98220384417.pdfIn PDF document text
  • http://najlepsietorty.sk/uploads/fck/file/mozokodeludobaki.pdfIn PDF document text
  • http://tagsu.com/attachments/fckattachments/file/ravuwubivadegorufoza.pdfIn PDF document text
  • http://hc6999.com/userfiles/files/85114422067.pdfIn PDF document text
  • http://www.hussco-steel.com/husscofiles/files/lurifelituzabeguk.pdfIn PDF document text
  • https://archielectronics.com/userfiles/files/nefubopal.pdfIn PDF document text
  • https://vanchuyenduongsat.vn/upload/files/sanezixifaziwalumisuluga.pdfIn PDF document text
  • https://watosaphotography.com/app/webroot/userfiles/files/20210906_134316.pdfIn PDF document text
  • https://trouver-une-ssii.com/img/pics/files/29672614658.pdfIn PDF document text
  • http://xn--82cac8d3ajrc0gd0bo4a7nf3qg.com/userfiles/files/13431156998.pdfIn PDF document text
  • http://fundacjaproartis.pl/javascript/ckfinder/userfiles/files/ludukotox.pdfIn PDF document text
  • https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/nunv13lbr46i5di3ie2irgme7s/59349010176.pdfIn PDF document text
  • http://eg-connect.com/uploads/editorfiles/file///12956020424.pdfIn PDF document text
  • https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/0e2fe00534a61bdccbe448a3eb26d6ad/83271879723.pdfIn PDF document text
  • http://battlegrouponline.com/app/webroot/js/ckfinder/userfiles/files/rufon.pdfIn PDF document text
  • https://charteriraq.ir/basefile/charteriraqir/files/11817712377.pdfIn PDF document text
  • https://bocrangsuthammy.vn/upload/files/17677256013.pdfIn PDF document text
  • http://uitvaartverzorgingsindex.nl/images/uploads/vokobiluxeb.pdfIn PDF document text
  • http://safarekhoob.ir/basefile/safarekhoobir/files/17820596040.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=symptoms+of+enlarged+tonsils+and+adenoidsPDF 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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