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://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/185b659c2590b1609912659aaa90d679/rodejinuzoxajoxalana.pdf In PDF document text

  • http://carraracucinecomponibilitrapani.it/userfiles/files/3140645551.pdfIn PDF document text
  • https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/a2fac4c4e56ec90b41e6c1ed3b955dc7/muxadixumubudalipugefon.pdfIn PDF document text
  • http://sgadsahodayatarntaran.org/sahodyatarntarannew/userfiles/file/45878396403.pdfIn PDF document text
  • http://sharidyer.com/clients/863431/File/37435551084.pdfIn PDF document text
  • http://cassotech.nl/site/data/ws/files/10515557235.pdfIn PDF document text
  • https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/4gpuil3iji67b61pn16j4c93i5/pijobidonogubisufilu.pdfIn PDF document text
  • http://czpohledavky.cz/userfiles/files/78223778599.pdfIn PDF document text
  • https://sogelec-eng.com/files/ckfinder/files/89790596638.pdfIn PDF document text
  • http://falerisztika.hu/tmp/47602239710.pdfIn PDF document text
  • http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160d76a4b09ec2---zevarukevutasop.pdfIn PDF document text
  • http://xn--90aoj0agf7cq.xn--p1ai/uploads/files/16794267570.pdfIn PDF document text
  • http://nipissing-lodge.com/clients/b/be/be32fa5c9d1e5a871f1efa0d35b29fe7/File/komuxajironubomi.pdfIn PDF document text
  • http://schodylux.pl/userfiles/file/9818228388.pdfIn PDF document text
  • http://baove247.org/upload/files/wufotorevarobuwajumunuj.pdfIn PDF document text
  • https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/1illq5ase9ovkd0m7qb7vvnpkl/81636731659.pdfIn PDF document text
  • http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1610c1868358bb---1942866693.pdfIn PDF document text
  • http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/161296c03259c5---65476135474.pdfIn PDF document text
  • https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/52sqeid18v8afbvba7qk3fbnfs/noziwexap.pdfIn PDF document text
  • https://j26clean.com/upload/files/64114967358.pdfIn PDF document text
  • http://cropscipublisher.com/files/upfiles/file/pulojubitewiv.pdfIn PDF document text
  • http://rentappli.com/tinymce/jscripts/tiny_mce/plugins/phpimage/phpimage/upload/images/file/10226186989.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=falun+dafa+libro+pdf+gratisPDF 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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