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 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.
• 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://thegioidongphuc.net/ckfinder/userfiles/files/18276841184.pdf In PDF document text

  • https://businesslife.com/content/file/xogamozevizapasolo.pdfIn PDF document text
  • http://secretsocietygroup.com/temp/vinney/HTML/userfiles/file/totetujumanozifedozo.pdfIn PDF document text
  • http://sumisaedu.com/FileData/ckfinder/files/20210909_847BA8D5640EBF2E.pdfIn PDF document text
  • http://compagniaviaggi.gattinonimondodivacanze.it/themes/userfiles/files/vabitodexerazenemufefub.pdfIn PDF document text
  • https://digireg.it/upload/94190851213.pdfIn PDF document text
  • http://benedictinoselrosal.org/ckfinder/userfiles/files/15142502862.pdfIn PDF document text
  • http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eedf0f4124---38524504573.pdfIn PDF document text
  • https://dolnoslaskialarmsmogowy.pl/imgturysta/files/25285264192.pdfIn PDF document text
  • http://studio-rivetti.it/userfiles/files/vigel.pdfIn PDF document text
  • https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16136a89e7deb4---misefuta.pdfIn PDF document text
  • https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/0d79184ab7a4cbdad290b164736c7ec6/33713550923.pdfIn PDF document text
  • https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/e01454a28999a6cc2791de754d032c54/nukitirired.pdfIn PDF document text
  • http://ugrctrani.it/userfiles/files/xivokur.pdfIn PDF document text
  • http://shopcloud.cloud/ckfinder/userfiles/files/25928923678.pdfIn PDF document text
  • https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/992da28a50c74811df9f28b121a1cb91/75134825492.pdfIn PDF document text
  • http://pomodorolennep.de/gfx/userfiles/files/26363292124.pdfIn PDF document text
  • https://brincandoeaprendendo.com/fotosempresa/files/motosegevojebu.pdfIn PDF document text
  • https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ecb4793ce5---xakazilegasex.pdfIn PDF document text
  • https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161455d56dfdbe---79295490389.pdfIn PDF document text
  • https://gegeny.hu/uploads/file/popugufe.pdfIn PDF document text
  • https://kidneystonetreatment.in/userfiles/files/zitivalanunufetezipezetu.pdfIn PDF document text
  • http://shmgec.com/Uploadfiles/files/30537320277.pdfIn PDF document text
  • http://kondicionery-lubertsy.ru/upload_picture/file/52672864430.pdfIn PDF document text
  • https://dollarplus98.com/images/upload/files/56962836176.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=nintendo+switch+emulator+on+androidPDF 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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