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://allytemp.ru/uplcv?utm_term=exercise+of+past+perfect+continuous PDF link annotation

  • http://prasongp.com/file_media/file_image/file/zavawokamavexarareguxef.pdfIn PDF document text
  • http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614c99088a9a8---99054650462.pdfIn PDF document text
  • http://twfindia.in/userfiles/files/51727069057.pdfIn PDF document text
  • http://mnarch.it/userfiles/files/1756235984.pdfIn PDF document text
  • http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16141095c8e02e---7274894491.pdfIn PDF document text
  • https://galaxytraining.examinationonline.com/files/timisugepijexuwilewel.pdfIn PDF document text
  • http://aow.infogestnet.it/ckfinder/userfiles/files/17720486560.pdfIn PDF document text
  • http://markfarolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/84524565033.pdfIn PDF document text
  • https://computerzone.pk/file/vimovukotenagejonalere.pdfIn PDF document text
  • http://changwontour.kr/FileData/ckfinder/files/20210925_0DD7AA4734B114F4.pdfIn PDF document text
  • http://yigang-lin.com/uploads/files/202109111947307116.pdfIn PDF document text
  • https://lifo-sea.com/ckfinder/userfiles/files/ledafepuzogelajipakewise.pdfIn PDF document text
  • http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145cbd430ba0---fotefifigiroxazuligezo.pdfIn PDF document text
  • http://studiocastigli.eu/userfiles/files/38939135096.pdfIn PDF document text
  • https://ltes.tw-goods.com/UserFiles/files/54971260325.pdfIn PDF document text
  • http://wacommerce.net/home/integrity/public_html/ckfinder/userfiles/files/zovusozexatiwote.pdfIn PDF document text
  • https://www.paseppe.gr/ckfinder/userfiles/files/zovanupafuvulo.pdfIn PDF document text
  • https://moolans.com/uploads/files/93686379463.pdfIn PDF document text
  • https://icnj.net/ckeditor/ckfinder/userfiles/files/kazoxugesiboronagaxesemov.pdfIn PDF document text
  • https://anukulagrotech.com/userfiles/file/78598966858.pdfIn PDF document text
  • http://stepasidemedical.ie/images/uploads/file/dejuzajigirefisavirokaf.pdfIn PDF document text
  • https://0924055971.com/uploads/files/202109242338108707.pdfIn PDF document text
  • http://tsyrulnikov.ru/upload/file/19965087629.pdfIn PDF document text
  • http://sity-luxe.ru/userfiles/file/fepagewawasekek.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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