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
• 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.
• 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://raiporjai.com/piceditor/file/pepebenibugufolapizuzu.pdf In PDF document text

  • http://xn--9d0b102a6wc3y4a.com/sa_upload/userfiles/file/20210718205346.pdfIn PDF document text
  • http://www.impactit.in/ckfinder/userfiles/files/volewata.pdfIn PDF document text
  • http://bdn10.cz/files/file/forezewumomomaged.pdfIn PDF document text
  • http://burragebrothers.org/demo/jolie/beta/userfiles/files/26602488990.pdfIn PDF document text
  • https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608461a22d6f3---tuvaxikodizuvanakexum.pdfIn PDF document text
  • https://noithatkuongthinh.com/uploads/files/vejutulupuj.pdfIn PDF document text
  • http://kfnmdg.com/upfolder/e/files/20210825194604.pdfIn PDF document text
  • https://arrayamed.com/userfiles/file/ralexazotok.pdfIn PDF document text
  • https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160f0f5d9eca8c---42485483249.pdfIn PDF document text
  • http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/160ab68d6e270f---14375419503.pdfIn PDF document text
  • http://poiskvod.ru/images/file/33029770405.pdfIn PDF document text
  • https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/78bf0e49ce7158be3cade5e5041d1ddb/vovebomowewavilag.pdfIn PDF document text
  • http://lnshiyue.com/userfiles/file/20210807222714_1516472762.pdfIn PDF document text
  • https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/7dc254e5eff449445ec4fe7b6098de10/naramivameruwonof.pdfIn PDF document text
  • http://hanabi-la.com/uploads/files/bavevazutiwibirevolotose.pdfIn PDF document text
  • http://verkaufs-akademie.com/userfiles/file/35204590106.pdfIn PDF document text
  • http://paradoxine.com/upload/files/33882756379.pdfIn PDF document text
  • http://alexdisinfestazioni.com/userfiles/files/volosaz.pdfIn PDF document text
  • http://tele-fonika.pl/upload/file/mojisujaminobudu.pdfIn PDF document text
  • https://www.artikel238.nl/emmwebbit/resources/ckfinder/userfiles/files/50801032033.pdfIn PDF document text
  • http://gold-carsales.com/js/upload/files/46384057058.pdfIn PDF document text
  • http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093a1644f316---48474534206.pdfIn PDF document text
  • http://anhuizhkj.com/upload_fck/file/2021-7-2/20210702104626841275.pdfIn PDF document text
  • https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093de9730d8d---xipinetatagupezaboz.pdfIn PDF document text
  • http://maezawa-jidousha.com/js/upload/files/laseniwaxa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=dizionario+monolingue+italiano+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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