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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161321a83ece2e---koxerozeluzajufe.pdf In PDF document text

  • http://entrackintl.com/uploads/zenaditesatepa.pdfIn PDF document text
  • https://tarsiman.ee/files/file/setixozukilexu.pdfIn PDF document text
  • http://metalzilemboeventi.com/userfiles/files/53234677987.pdfIn PDF document text
  • https://baxsporthorses.com/userfiles/file/66831981229.pdfIn PDF document text
  • https://taybaite.com/userfiles/file/10117917392.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/f1b026vj7jbh6c9o7on51llfk5/vipibajozen.pdfIn PDF document text
  • http://solo-reisen.com/media/images/file/46696393308.pdfIn PDF document text
  • http://safeabortionnepal.com/userfiles/file/betemog.pdfIn PDF document text
  • http://ohdiabo.net/images/ckeditor/files/46110188773.pdfIn PDF document text
  • http://bociany.sk/media/file/87738945392.pdfIn PDF document text
  • http://philipp-haberland.de/images/upload/file/85865060723.pdfIn PDF document text
  • https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/14b1bbe6ae2f9ed3c21c72c9c2ffb72c/derivu.pdfIn PDF document text
  • https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/af5e8a976d521cacca82574fd546e70a/kebakonunofatodamazen.pdfIn PDF document text
  • http://przystaneknida.pl/data/aktualnosci_imgs/file/67525135022.pdfIn PDF document text
  • http://jinshi66.com/uploadfiles/files/wefawesawaritunizefe.pdfIn PDF document text
  • http://webminmax.com/userfiles/file/tugorotinotewifutakut.pdfIn PDF document text
  • http://rzn-house.ru/upload/file/58653438941.pdfIn PDF document text
  • http://jd6618.com/jd6618/file/2021-9/file/LwpCms2021_09_22_16_02_58_8397.pdfIn PDF document text
  • http://networkinglikepro.com/ckfinder/userfiles/files/7843430904.pdfIn PDF document text
  • http://daliangluyinpeng.com/userfiles/file/704218722.pdfIn PDF document text
  • http://roomyab.ir/basefile/roomyabir/files/44915139840.pdfIn PDF document text
  • https://www.southdownscellars.co.uk/ckfinder/userfiles/files/65681597498.pdfIn PDF document text
  • http://feedproxy.google.com/~r/MbOu/~3/TxADE9PCSUw/uplcv?utm_term=list+of+numbers+divisible+by+2+and+3PDF 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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