Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://nomylo.ru/uplcv?utm_term=set+up+my+device+iphone+to+android PDF link annotation

  • http://myshopgroup.com/userfiles/files/64548534971.pdfIn PDF document text
  • http://kaizousha.com/js/upload/files/83597712343.pdfIn PDF document text
  • http://dpkwi.org/userfiles/files/kijujumofuro.pdfIn PDF document text
  • https://ccichn.vn/data/upload/file/juguxiwesaponezobogabe.pdfIn PDF document text
  • http://gocoachfox.com/userfiles/file/88357524573.pdfIn PDF document text
  • http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613afef1e88b5---29968994597.pdfIn PDF document text
  • http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/16135401c9076e---69181821365.pdfIn PDF document text
  • https://gangwontaxi.com/FileData/ckfinder/files/20210905_BCE6B7121F862051.pdfIn PDF document text
  • http://synthecinter.com/userfiles/files/72433636333.pdfIn PDF document text
  • http://tplustech.com/images/ckeditor/files/2944381211.pdfIn PDF document text
  • http://consorzio-csa.it/userfiles/files/fesezijovuxakimog.pdfIn PDF document text
  • http://firsttimehomebuyerstudy.com/images/file/zobeguka.pdfIn PDF document text
  • https://sthouseluxury.com/upload/files/rizozujasewokebeku.pdfIn PDF document text
  • https://esofagopisa.it/userfiles/file/bidopu.pdfIn PDF document text
  • https://ka-base.no/images_students/files/sejazowobezewawilazilas.pdfIn PDF document text
  • http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16141a668085a9---ruligopebijuto.pdfIn PDF document text
  • http://jezirka-biobazeny.cz/UserFiles/File/27098415425.pdfIn PDF document text
  • http://dgxzz.com/uploadfile/file/82457248999.pdfIn PDF document text
  • http://world-housing.jp/ckfinder/userfiles/files/49760935412.pdfIn PDF document text
  • https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/161434c9b30e00---marededalakel.pdfIn PDF document text
  • https://cnc-ar.ro/files/file/woletegoxogotakunuwefofof.pdfIn PDF document text
  • http://smeeing.com/userfiles/files/pemevonexowoxaxokufaruk.pdfIn PDF document text
  • https://taichielite.com/louis/taichi/ckfinder/userfiles/files/kotarowepazigepebi.pdfIn PDF document text
  • https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/161452ab1c638d---65877051518.pdfIn PDF document text
  • http://tscyw.net/userfiles/file/20210902145401_xfgwg7.pdfIn PDF document text
  • http://consorzio-csa.it/userfiles/files/dujimepijabixexujazogi.pdfIn PDF document text
  • 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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