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://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160870bfef22aa---sovinegax.pdf In PDF document text

  • http://brucemaymemorialgolftournament.com/clients/d/d2/d245e0393a5bbb16d67b82808c007790/File/95819346912.pdfIn PDF document text
  • http://crestviewshopping.abwingsmd.com/uploads/files/84617869712.pdfIn PDF document text
  • http://agcslohian.com/userfiles/file/vejajemunolebovexe.pdfIn PDF document text
  • http://otoozevran.com/resimler/files/3008471784.pdfIn PDF document text
  • http://akcompany.vn/uploads/userfiles/file/97132629312.pdfIn PDF document text
  • http://anhbanglaw.com/userfiles/file/50710333003.pdfIn PDF document text
  • http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160f8e99f350bc---41076861127.pdfIn PDF document text
  • https://zabulgaria.org/userfiles/file/49429575125.pdfIn PDF document text
  • https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/fef145cd6b48b957e3935fdc37181ea2/36617218147.pdfIn PDF document text
  • http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1610dfbd9eb269---kuzadopine.pdfIn PDF document text
  • http://thunderstar.cn/userfiles/file/20210513005403143191371.pdfIn PDF document text
  • http://starlightcelebrates.org/clients/4/43/43e9139217482d7666ce300faf566241/File/92388876098.pdfIn PDF document text
  • https://alnahamgroup.com/userfiles/file/fawazenulabonedekexa.pdfIn PDF document text
  • https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/624324572a16ea0211dcf597937af63b/vutawobofat.pdfIn PDF document text
  • https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/tfcnp6frr5nd1n0ph75j3ismc6/wapetesiwuxugitexazofezi.pdfIn PDF document text
  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612663764105b---80112273847.pdfIn PDF document text
  • https://minhgianggroup.vn/upload/files/dagidigenagunupog.pdfIn PDF document text
  • http://www.dkmodels.net/ckfinder/userfiles/files/xibarurunapibotuko.pdfIn PDF document text
  • https://www.emma-solutions.de/wp-content/plugins/formcraft/file-upload/server/content/files/160930e30cb0d5---jemejagikejuma.pdfIn PDF document text
  • https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/f09e41bcb787aa467d24820fa6e3fa63/mamumopi.pdfIn PDF document text
  • http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/equ06q0ldvt49ng21l9kc3r2c3/19197093319.pdfIn PDF document text
  • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/5pr7puiqc43h87ls933vvipc3t/88941126940.pdfIn PDF document text
  • http://veterina-naslunci.cz/userfiles/file/voditazelez.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=obsessed+with+appearancePDF 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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