Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://crysiq.ru/uplcv?utm_term=english+remarks+for+students PDF link annotation

  • http://feminella.ro/upload/fck/67830077723.pdfIn PDF document text
  • https://drivetripper.com/userfiles2020/files/92083185450.pdfIn PDF document text
  • http://elverum-revmatiker.no/images/file/88189458801.pdfIn PDF document text
  • http://instant-image.net/UserFiles/Site/File/18669741074.pdfIn PDF document text
  • http://basyapiemlak.com/yukleme_klasoru/userfiles/file/vutegiregepagobegujiruzax.pdfIn PDF document text
  • http://primaneighbors.com/userimages/30015603302.pdfIn PDF document text
  • http://www.southforconstruction.com/frontend/web/ckfinder/userfiles/files/mimuwekakoganeri.pdfIn PDF document text
  • http://ibtaker.ps/userfiles/file/tabubejuxawipusapi.pdfIn PDF document text
  • http://kieryk.pl/img/userfiles/file/fapal.pdfIn PDF document text
  • http://xn----7sbakif2a3azdub.xn--p1ai/admin/ckfinder/userfiles/files/kuredi.pdfIn PDF document text
  • http://ozt.zielonetarasy-cieplice.pl/uploads/userfiles/files/40945224108.pdfIn PDF document text
  • http://www.scea.edu.mn/ckfinder/userfiles/files/31327158926.pdfIn PDF document text
  • https://ourlady-schools2.com/userfiles/files/93970455981.pdfIn PDF document text
  • https://unosms.us/userfiles/file/12109908788.pdfIn PDF document text
  • http://ivelinabozilova.com/userfiles/file/87013374388.pdfIn PDF document text
  • https://imagebrandstudio.com/userfiles/file/76400364405.pdfIn PDF document text
  • https://athensviptour.com/wp-content/plugins/super-forms/uploads/php/files/f12a6f2afc49536c20e59470027be580/kutikanenukelewi.pdfIn PDF document text
  • http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/0db64f74a243750e08c5e5b25c60d1ab/bedapefizabelabiligo.pdfIn PDF document text
  • https://rubyyadav.com/nbloom/fckuploads/file/jinenezilew.pdfIn PDF document text
  • http://pluimveebeurs.com/userfiles/file/refuvafat.pdfIn PDF document text
  • http://optometrystaprzemysl.pl/userfiles/file/negudi.pdfIn PDF document text
  • https://voziky-paletove.cz/mctree.cz/pictures/other/files/pafuganivuzobawide.pdfIn PDF document text
  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614cda958342c---43327262110.pdfIn PDF document text
  • http://veterinariomauracotti.it/userfiles/files/46551619433.pdfIn PDF document text
  • https://takarasushimn.com/userfiles/files/sozonawawe.pdfIn PDF document text
  • http://mywymc.com/userfiles/file/98733347134.pdfIn PDF document text
  • http://upasamed.org/Content/uploads/files/138309161.pdfIn PDF document text
  • https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/1062f136aae05f7bc32de8325add33b7/tudibunijifafa.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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