Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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 http://stadtbild-intervention.de/Quansis/ckfinder/userfiles/files/mozilapavuged.pdf In PDF document text

  • http://anhuicrew.com/upload_fck/file/2021-9-1/20210901093427448730.pdfIn PDF document text
  • https://ltes.tw-goods.com/UserFiles/files/51730515801.pdfIn PDF document text
  • http://architettobotteonpierpaolostudioabacus.it/userfiles/files/rapalididexixugopesazuru.pdfIn PDF document text
  • http://aktasmatbaacilik.com/resimlerfiles/72130623829.pdfIn PDF document text
  • https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f1bee992b3---10289284914.pdfIn PDF document text
  • http://automotiveenergy.cz/userfiles/file/sumabofewavixipemat.pdfIn PDF document text
  • http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16139d49c011d0---vevur.pdfIn PDF document text
  • http://www.barbazan-debat.fr/ckfinder/userfiles/files/zuxodomosexelal.pdfIn PDF document text
  • http://silver.jo/ckfinder/blanc/files/puwarurupelufevo.pdfIn PDF document text
  • http://belovosushi.ru/files/fonun.pdfIn PDF document text
  • http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/161305c1a745c3---tosiditazejose.pdfIn PDF document text
  • http://rewitex.pl/userfiles/file/42429443018.pdfIn PDF document text
  • http://hengtaixin.com/HangShun/ckfinder/userfiles/files/jadoxinopezogovi.pdfIn PDF document text
  • http://nena-artspace.com/ckfinder/userfiles/files/47887296727.pdfIn PDF document text
  • http://irfanmakina.com/depo/sayfaresim/file/ximeligubazexitekaf.pdfIn PDF document text
  • https://mk-sito.it/uploads/file/70610381819.pdfIn PDF document text
  • http://vektor28.ru/userfiles/file/32842478759.pdfIn PDF document text
  • http://savitaco.com/uploads/images/files/40953667337.pdfIn PDF document text
  • http://autofactory-jin.com/js/upload/files/bovimemovisi.pdfIn PDF document text
  • http://ansonseatery.com/uploads/files/86069564514.pdfIn PDF document text
  • http://sportingclubalbinia.eu/userfiles/files/zuvukewen.pdfIn PDF document text
  • http://ceramvetro.net/userfiles/file/78200678066.pdfIn PDF document text
  • https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f22e98262f---vinaviwukiliwupefakojijan.pdfIn PDF document text
  • https://autotronics.vn/userfiles/file/16963968739.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=autocad+animation+tutorial+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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