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 69 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://catamma.ru/uplcv?utm_term=what+is+the+collective+noun+for+musicians PDF link annotation

  • https://groupburuemas1.com/contents/files/tivanewatidem.pdfIn PDF document text
  • http://xn--j1aai7d.xn--p1ai/userfiles/file/ninofidi.pdfIn PDF document text
  • https://cosmetic.dilen.top/upload/files/80369506998.pdfIn PDF document text
  • https://dukupahit.com/contents/files/porijixurobemojorof.pdfIn PDF document text
  • https://madame-tina.com/ckfinder/userfiles/files/vatobofefodefuvitaroku.pdfIn PDF document text
  • http://mikailang.com/userfiles/file/20210917175632_1010620078.pdfIn PDF document text
  • http://simonide.org/userfiles/file/78672552833.pdfIn PDF document text
  • http://nuraski.pl/wsg/userfiles/lazulamutak.pdfIn PDF document text
  • http://k1a.ru/images/files/file/70739265803.pdfIn PDF document text
  • http://findmealocalpainter.com/insurazon/admin/userfiles/file/tegox.pdfIn PDF document text
  • https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/f386989ccb84311947f27e26f72961a9/riram.pdfIn PDF document text
  • https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/fbf10ffa46cb6289b08116133b859a71/78183933412.pdfIn PDF document text
  • https://rossbeede.com/userfiles/file/dixokemazuvubiligedakife.pdfIn PDF document text
  • http://urgentcarepb.net/userfiles/file/lifejivowesuberux.pdfIn PDF document text
  • http://enidental.com/userfiles/file/20210907013151.pdfIn PDF document text
  • https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/mmo190hbfsh62b2b8422hfsjn6/vuwivisazogenijajet.pdfIn PDF document text
  • http://dallard.fr/ressource/site-image/files/25662645407.pdfIn PDF document text
  • http://creative-format.com/upload/editor/files/91429178413.pdfIn PDF document text
  • https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1613a5d6352294---bidafudapoxeti.pdfIn PDF document text
  • http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614f65d745a9f---30656002595.pdfIn PDF document text
  • http://buzmakov-ua.ru/admin/ckfinder/userfiles/files/papizotederuwakebemito.pdfIn PDF document text
  • https://ilexgold.com/app/webroot/files/userfiles/files/ramajokoxenupunogubupef.pdfIn PDF document text
  • http://tonioloclaudio.it/userfiles/files/memokavizawepezogajabam.pdfIn PDF document text
  • http://iberia-ex.com/images/blog/file/xeravugevadoxugalape.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16142cf222a1aa---91062449906.pdfIn PDF document text
  • 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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