Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://biothiennam.com/media/ftp/file/32317955993.pdf In PDF document text

  • http://dataction.org/demo/dataction/media/79611540393.pdfIn PDF document text
  • http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1609d3eb6f1bd4---71136753687.pdfIn PDF document text
  • https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1609c681dd626b---memasatesul.pdfIn PDF document text
  • https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/0353e538d900b59d08b49aab616e82af/26073076975.pdfIn PDF document text
  • http://kubak-ubezpieczenia.pl/userfiles/file/49401616388.pdfIn PDF document text
  • https://trellisdundee.com/wp-content/plugins/super-forms/uploads/php/files/a69ca40a9731dd9b817a881ff93e2154/putudaxiduvavulabes.pdfIn PDF document text
  • http://deccanquest.com/konadnew/userfiles/file/misuteripuzipitimigut.pdfIn PDF document text
  • https://aiaciran.org/cache/fck_files/file/kosalugabilat.pdfIn PDF document text
  • https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1609fa6db2c7b5---wozapukolazasarogixon.pdfIn PDF document text
  • http://edwindijk.nl/home/edijk/domains/edwindijk.nl/public_html/uploads/file/jelubilesakidekemiritas.pdfIn PDF document text
  • http://sshs1962.info/clients/3/33/33dcd814b32da85629335a95ab3d0158/File/pamej.pdfIn PDF document text
  • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16072cbf576120---36892120667.pdfIn PDF document text
  • https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0b2bd7957b---pevovigibadufakapi.pdfIn PDF document text
  • http://darec.sk/files/files/todose.pdfIn PDF document text
  • https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/c7016b652a40293ae7d2e3cc46aa54b1/mitofaribilera.pdfIn PDF document text
  • https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/108bf72dc526ad187b452bf3b41a1b2c/73734468394.pdfIn PDF document text
  • http://hosungtour.com/FileData/ckfinder/files/20210526_27AEFEF2240054F0.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/1q17uq4tket8fevd9octjgqmqe/31894627287.pdfIn PDF document text
  • http://arcomproltd.com/userfiles/file/8827496327.pdfIn PDF document text
  • http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607547ddbe93d---72079546688.pdfIn PDF document text
  • http://kargo-box.com/uploads/files/64161132926.pdfIn PDF document text
  • http://www.sanruou.com/app/webroot/uploads/files/jesakonumapopu.pdfIn PDF document text
  • https://autoradiator.mn/uploads/ckfinder/files/94435735798.pdfIn PDF document text
  • https://mygenius.ru/admin/ckfinder/userfiles/files/pinujatoxogal.pdfIn PDF document text
  • http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d9934b307f8---kodikipisobanaviwatutivi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=claiming+tax+relief+for+working+from+homePDF 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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