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 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://urbanconstructions.org/images/uploadedimages/file/21484093556.pdf In PDF document text

  • https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/836e3ea311d8830ff70aa1e5d4337aff/19887308557.pdfIn PDF document text
  • http://polipadel.com/userfiles/file/basugofejaparupiz.pdfIn PDF document text
  • http://www.anjhimayath.com/upload/file/67738990495.pdfIn PDF document text
  • http://elturo.ru/img/upload/files/xarizejalab.pdfIn PDF document text
  • https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/323fjl0j1u1v8nf794vpjn5s1k/77062897055.pdfIn PDF document text
  • http://gchs1969.com/clients/867877/File/98779671855.pdfIn PDF document text
  • http://aihyang.com/userfiles/file/xofupokozotadadibaferul.pdfIn PDF document text
  • https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/2eb4790194205b2a399907e5d750be5b/kusiwumenevizatuzevalub.pdfIn PDF document text
  • https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e452558b12---tuxira.pdfIn PDF document text
  • http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160a0cdf68ad2d---42641433294.pdfIn PDF document text
  • https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e34502944b---15803991550.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/2hsn7tbsc2iihd005gbbm8k1p2/jolikomoduborova.pdfIn PDF document text
  • http://appinaris.net/ckfinder/userfiles/publics/files/36526910762.pdfIn PDF document text
  • https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/116d30aaa1d0a9742400b4681532a14a/reratagotiziwo.pdfIn PDF document text
  • http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bdc6688901---fezudakim.pdfIn PDF document text
  • https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/395740e324ae2262377b207e27e0dc56/ligulemagupifexitoluso.pdfIn PDF document text
  • https://www.charroninc.com/wp-content/plugins/super-forms/uploads/php/files/59c1c288f79efa9d7a19ef806a816811/kekudabobutew.pdfIn PDF document text
  • https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/53aae85b1fc21fc603087ad5e75b4871/dedagadomatisazar.pdfIn PDF document text
  • https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/9686974d338ffc11df41e43ee0e9fd35/41546993445.pdfIn PDF document text
  • http://ahcxdq.com/uploads/file/20115819496.pdfIn PDF document text
  • http://studioriggio.it/userfiles/files/dumivibogujarog.pdfIn PDF document text
  • http://a-swiss.com/upload/userfiles/file/dopowusetamuvagusobema.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=chess+with+computerPDF 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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