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
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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://synerhu.ru/uplcv?utm_term=follow4follow+instagram+apk PDF link annotation

  • https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/16149b76a7b961---fomikerafimu.pdfIn PDF document text
  • http://mecaniquekd.ca/upload/file/lijisowewagobizule.pdfIn PDF document text
  • http://blpest.com/UserFiles/file/37173368494.pdfIn PDF document text
  • http://effekt-film.de/files/file/rilifupusufazolove.pdfIn PDF document text
  • http://sallytour.com/FileData/ckfinder/files/20210909_9A73D9E0F530FFD2.pdfIn PDF document text
  • http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/161357340b7cc0---guziretuvekafulugiriviw.pdfIn PDF document text
  • http://gurolmumcu.com/userfiles/file/delife.pdfIn PDF document text
  • https://mchs.kz/userfiles/File/gewixexidoma.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614bd8e83e0f0---41591325155.pdfIn PDF document text
  • https://trompis-tondschungel.de/userfiles/file/bipofetuzisesoxemigexe.pdfIn PDF document text
  • http://www.bufolari.com/public/immagini/file/dibutefonavoxe.pdfIn PDF document text
  • http://papianiarch.it/userfiles/files/21055658297.pdfIn PDF document text
  • https://tramtron.vn/uploads/files/files/gogumixupemomuvivikavotep.pdfIn PDF document text
  • http://sity-luxe.ru/userfiles/file/mojaruluwijinisudi.pdfIn PDF document text
  • http://rockpapersun.com/upload_mce_image/file/logukajuzobaxo.pdfIn PDF document text
  • http://xinxinhouseware.com/uploadfile/files/18181631439.pdfIn PDF document text
  • https://www.zochrot.org/ckfinder/userfiles/files/duzefikenivufinokewurebu.pdfIn PDF document text
  • http://thepokewave.com/uploads/files/76736075334.pdfIn PDF document text
  • http://karpatskiles.ru/store/files/91339986076.pdfIn PDF document text
  • http://fusheng-vietnam.vn/admin/webroot/upload/image/files/55705866728.pdfIn PDF document text
  • http://luxcottage.ru/stroykamen/userfiles/file/41702761138.pdfIn PDF document text
  • https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/7b607011d2ff1ada814bedfd032788cc/32935933501.pdfIn PDF document text
  • http://fivelscope.net/fckimages/jelatisufogozanubedav.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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