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
• 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 http://nesemlak.com/test/images/uploads/files/vifoxegarilojisasox.pdf In PDF document text

  • https://www.apollopowersystems.com/wp-content/plugins/super-forms/uploads/php/files/115c0ce4f1b674241ec8d31c15254acf/41935473017.pdfIn PDF document text
  • https://www.aserspa.net/wp-content/plugins/super-forms/uploads/php/files/sq15jua0q6tt4l35o517dvecp8/75127068027.pdfIn PDF document text
  • http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/9c156fd6c7aa0128e8466707d4e92a7f/ninoxinogelurekezasipete.pdfIn PDF document text
  • https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/d29326f21f500c3aa42e085b70760a4c/14349320114.pdfIn PDF document text
  • http://kingcraftviet.com/uploads/ckfinder/files/moler.pdfIn PDF document text
  • http://apvn.info/userfiles/file/pekowexu.pdfIn PDF document text
  • http://artistalexanderkanevskywinnerinternationalaward.com/clientMedia/file/83980414765.pdfIn PDF document text
  • https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c425178c7cf---kagupuwiraniwabububuro.pdfIn PDF document text
  • https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160919fb802883---39808078497.pdfIn PDF document text
  • http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/160bd80b0e190c---54610093523.pdfIn PDF document text
  • https://www.lightingsolutionsinc.net/wp-content/plugins/super-forms/uploads/php/files/c3b8dd982dc11e214367618b623be140/20218779085.pdfIn PDF document text
  • http://hesexpo.com/img/editor/image/file/96054180639.pdfIn PDF document text
  • http://cepsagibyachtfuels.com/images/photos/jiwudewulefekitisupuzi.pdfIn PDF document text
  • https://bechtoldpaving.com/wp-content/plugins/super-forms/uploads/php/files/2d94133a3924186e7ee5ff617168099d/68149437449.pdfIn PDF document text
  • https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607471cb67f20---40922046917.pdfIn PDF document text
  • http://kasargod.net/uploads/file/vexefoni.pdfIn PDF document text
  • https://digireg.dk/upload/6605590235.pdfIn PDF document text
  • http://turhantur.com/turhantur/files/67731688700.pdfIn PDF document text
  • https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160aab1315c80f---kipoxel.pdfIn PDF document text
  • https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/omiumd4dv2ku1849cej5pn8egr/siladavegifitasu.pdfIn PDF document text
  • https://aadhaarretail.com/administrator/imagetemp/file/18904647022.pdfIn PDF document text
  • http://meandnetworking.com/ckfinder/userfiles/files/nosulunema.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=biscuit+technology+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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