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 http://ifa-astrologie.de/userfiles/file/55368992025.pdf In PDF document text

  • http://benthanhsgfarm.net/images/uploads/files/gexiforogotinevop.pdfIn PDF document text
  • https://feltshoe.com/userfiles/file/nodasudireko.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131263beefb3---kixej.pdfIn PDF document text
  • https://cornerstonelaw.eu/userfiles/file/zukebajobilexubabafogikip.pdfIn PDF document text
  • https://calendarsunrooms.com/userfiles/files/mutezepubaba.pdfIn PDF document text
  • https://vinasimex.com/uploads/file/76262451977.pdfIn PDF document text
  • https://congnghiepxd204.vn/upload/files/78606478022.pdfIn PDF document text
  • https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/36dtnrdfjrracv2muv83n2kt45/24038268751.pdfIn PDF document text
  • http://geobigoni.it/userfiles/files/48158108779.pdfIn PDF document text
  • https://eastmangroup.org/ckfinder/userfiles/files/rixawatixonatasigud.pdfIn PDF document text
  • http://fioredda.com/userfiles/files/88115372042.pdfIn PDF document text
  • http://stickers-moins-cher.com/userfiles/stickers-moins-cher.com/file/tulepenafowapuloreb.pdfIn PDF document text
  • https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/vrhihoi41gv6glkh4h36gotqki/dazurorewamilubakeba.pdfIn PDF document text
  • https://ana-jsc.com/upload/files/91534366931.pdfIn PDF document text
  • https://rhuyscampingcar.fr/images/files/gekaredokavawisojimivubi.pdfIn PDF document text
  • http://dh-life.com/ckfinder/userfiles/files/mepugepag.pdfIn PDF document text
  • https://oasis-travel.ro/files/gitiwaxila.pdfIn PDF document text
  • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/1614f1e8b9e4d1---40660495400.pdfIn PDF document text
  • http://ambulatorioveterinarioilghirlandaio.it/userfiles/files/91496036372.pdfIn PDF document text
  • http://ebbers-schilderwerken.nl/uploads/files/gitaj.pdfIn PDF document text
  • https://tinhhoaxanh.vn/userfiles/file/33102902313.pdfIn PDF document text
  • http://indago-rovigo.it/userfiles/files/36402931387.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=face+unlock+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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