Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://wastran.ru/uplcv?utm_term=evaluation+cm2+maths+grandeurs+et+mesures+pdf PDF link annotation

  • https://securitegenerale.tn/userfiles/file/44342787072.pdfIn PDF document text
  • http://fc-junajted.com/upload/datoteke/wozibugevu.pdfIn PDF document text
  • https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/9adf5bdf1abac314d536276df11a241c/bebaridibur.pdfIn PDF document text
  • https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608e2cd7c14d0---96755211278.pdfIn PDF document text
  • https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/16102e3ea1fc17---kenixatuvafagarevubo.pdfIn PDF document text
  • http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/161281af09a5ce---pomapasaxemifaf.pdfIn PDF document text
  • https://singaporenotarypublic.com/wp-content/plugins/super-forms/uploads/php/files/dad83147778b8711df0697a4207a3d13/10339988616.pdfIn PDF document text
  • https://www.varishastalari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ea2b3afe71---94382778941.pdfIn PDF document text
  • https://holocaustresearch.pl/nowy/photo/file/17991742851.pdfIn PDF document text
  • http://lnimeina.it/userfiles/files/zegiruvu.pdfIn PDF document text
  • http://forresterfamilyreunion.com/clients/c/cc/cc72bfd2512333311cc1ef5a4fdef90f/File/63001912505.pdfIn PDF document text
  • http://smart-ventures.ch/upload/Editor_Images/files/duwunisimu.pdfIn PDF document text
  • http://aucoindeshalles.fr/menu/file/30381626652.pdfIn PDF document text
  • https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/9536c55972eab94f06b4280adf423320/senifeva.pdfIn PDF document text
  • https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/160caf7686d237---40906379873.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/hm7sju067h12ll7f6le3ajrlu2/25438841617.pdfIn PDF document text
  • https://robert-zauer.cz/userfiles/file/kupudirar.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/ssoecb1bhfriv8mtr2ajgkm315/94354047263.pdfIn PDF document text
  • https://mps-india.com/userfiles/files/jiwabewunom.pdfIn PDF document text
  • http://reicar.dk/userfiles/file/sometiv.pdfIn PDF document text
  • http://vrieshorst.nl/images/uploads/file/pitomofopelamezad.pdfIn PDF document text
  • http://rasciindia.com/firetech/ckupload/files/76524293458.pdfIn PDF document text
  • http://caratow.nl/userfiles/file/44055550322.pdfIn PDF document text
  • https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/hh7vjik8jer5vmke742pd2cfbp/tuwuxidipafukipebaje.pdfIn PDF document text
  • http://pwr-tech.ru/userfiles/file/88371187430.pdfIn PDF document text
  • http://marsalanoleggio.it/userfiles/files/26613860560.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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