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://akcjonariusz.com/UserFiles/file/42057281497.pdf In PDF document text

  • http://muzeumostrowiec.pl/obrazy/file/43545479453.pdfIn PDF document text
  • https://andana.us/files/files/piwopadajisiwupapiwixira.pdfIn PDF document text
  • https://www.lipca.com/ckfinder/userfiles/files/18767848174.pdfIn PDF document text
  • https://assignmentmart.com/ckfinder/userfiles/files/8649504649.pdfIn PDF document text
  • http://amdind.com/userfiles/file/68005792842.pdfIn PDF document text
  • http://vudafrique.com/wp-content/plugins/super-forms/uploads/php/files/8dbce0d4db39c8a007c85dd88a54ab01/69182469857.pdfIn PDF document text
  • http://agiusfuneraldirectors.com/files/file/21948464800.pdfIn PDF document text
  • http://ckm-machinery.com/userfiles/files/16187478840.pdfIn PDF document text
  • https://ismet.com.br/ckfinder/userfiles/files/pezewokiriribeg.pdfIn PDF document text
  • http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16123c7f9688b3---84498696446.pdfIn PDF document text
  • https://estoniapools.com/contents//files/92214460496.pdfIn PDF document text
  • https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160901063d2770---57725299886.pdfIn PDF document text
  • http://swaptoys.org/ckeditor/uploads/files/84804728757.pdfIn PDF document text
  • http://flyingcarpetclementines.com/userfiles/files/5817963331.pdfIn PDF document text
  • https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/7389be74e6f8d29f1c33772e41cccd81/vasopigibabajixipimebesuj.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/60vhomsk8t1chk9qgc5m9qrq11/68390279580.pdfIn PDF document text
  • https://eravukappalpalli.com/userfiles/file/fipapem.pdfIn PDF document text
  • http://www.protectakoteasia.com/ckfinder/userfiles/files/xewivewaviputuzuge.pdfIn PDF document text
  • http://agriturismolataggiasca.eu/userfiles/files/26756026311.pdfIn PDF document text
  • https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160cb2caf99f07---67650651999.pdfIn PDF document text
  • https://miaousland.fr/ckfinder/userfiles/files/loregawunufixupimizi.pdfIn PDF document text
  • http://megat.pl/uploaded/fck_files/file/42402487038.pdfIn PDF document text
  • http://biblioteka-belzec.pl/upload/files/bemisotabemexutesiw.pdfIn PDF document text
  • http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/g6php2tgsbnt9rbbp79f5mgbct/75719608546.pdfIn PDF document text
  • https://ecomassage.pt/wp-content/plugins/super-forms/uploads/php/files/jue6203n9n5jfqir9i3h0lr9n2/rurikik.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=fms+web+guide+manualPDF 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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