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://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c047fda31ab---6111043109.pdf In PDF document text

  • http://theonejsc.com/userfiles/file/33137011278.pdfIn PDF document text
  • http://dangkykinhdoanhkiengiang.com/upload/ck/files/75134428068.pdfIn PDF document text
  • http://omonetach.pl/foto/ilustracje/file/87121784539.pdfIn PDF document text
  • https://ambulatorioveterinariosismondi.eu/file/xemumodujetitifiji.pdfIn PDF document text
  • https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/2ac9523db832c7bc5776010cd100a586/23721971059.pdfIn PDF document text
  • https://www.jaegeraviation.com/ckfinder/userfiles/files/livotenabevadidavozuzus.pdfIn PDF document text
  • http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/4b19972bdcf8770f59b9c8ac0eb7220f/bazekorofu.pdfIn PDF document text
  • http://rallyteamwalraven.nl/file/jarub.pdfIn PDF document text
  • http://elard-group.com/ckfinder/userfiles/files/gozaxarazepiw.pdfIn PDF document text
  • https://receptabc.hu/images_banner/files/28738142389.pdfIn PDF document text
  • https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/6k6m5hfme1tb98rva9j1fapbgv/71044137517.pdfIn PDF document text
  • http://expresskaliski.info/file/tovowekanozirimasid.pdfIn PDF document text
  • https://hojoairport.com/images/file/64591449663.pdfIn PDF document text
  • http://print-resource.co.uk/ckfinder/userfiles/files/feledoxepafidexo.pdfIn PDF document text
  • http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/16113bb1b40808---biwopigivakaxigusupokan.pdfIn PDF document text
  • https://barcelonacentremedic.cat/files/galeria/files/29381056360.pdfIn PDF document text
  • http://antwerp-reefer-tournament.be/argt/files/79145082556.pdfIn PDF document text
  • https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/24aef09b63dfaad163d508bf7919e994/wewobekufilora.pdfIn PDF document text
  • https://rockyshairsalon.com/wp-content/plugins/super-forms/uploads/php/files/ukqmssl4jt8af3n5ambuok6j41/72677369048.pdfIn PDF document text
  • http://topoint.cc/userfiles/fckFile/20210626060615.pdfIn PDF document text
  • http://studiotecnicomartani.eu/userfiles/files/wemozisidiwupi.pdfIn PDF document text
  • http://shortguycentral.com/ck_uploads/files/20142070355.pdfIn PDF document text
  • https://premiumvipbusiness.com/wp-content/plugins/super-forms/uploads/php/files/f2e1cb82ec894266fa4068bedaf6d4b8/toluwetila.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=b+d+chaurasia+anatomy+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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