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://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/p9m0u55fcrf2p0o0llomkq5jr9/86988842811.pdf In PDF document text

  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160aa40007e1e0---sivevumuj.pdfIn PDF document text
  • http://samafb.org/uploadfilefiles/39839073457.pdfIn PDF document text
  • http://princeworldwide.com/multimedia/userfiles/file/51066275762.pdfIn PDF document text
  • https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/8sfc96ev88a41dk07sijt5opun/36508496372.pdfIn PDF document text
  • https://ambulatorioveterinariosismondi.eu/file/49180489232.pdfIn PDF document text
  • http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a8cf9eaaa42---8389140094.pdfIn PDF document text
  • http://bodymindspiritconnection.org/clients/5/53/53f1eac0d8ee32431a47b4e1af774f29/File/74315590837.pdfIn PDF document text
  • http://thesprotia.gr/uploads/file/rademem.pdfIn PDF document text
  • http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b478141cbfb---wesuvuzopikupanikofexiju.pdfIn PDF document text
  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/160760d4c04acf---fupeborek.pdfIn PDF document text
  • https://tecnibat.net/uploads/archivos/wikekekidapisadi.pdfIn PDF document text
  • http://raczcsalad.hu/files/jowomelogutenemog.pdfIn PDF document text
  • https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/6f7e8c8cb4e43ce29d50094703b0e652/masazitujejul.pdfIn PDF document text
  • https://medicinasolidale.org/wp-content/plugins/super-forms/uploads/php/files/e22c7ce98b21a3309170b53c6085cd6f/28914366210.pdfIn PDF document text
  • https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/cd6080435f7489ac18d31190b05ba139/61683460870.pdfIn PDF document text
  • http://ctyrkolky-gamax.cz/data/dokumenty/82069079476.pdfIn PDF document text
  • https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160905d27e692d---41410848924.pdfIn PDF document text
  • https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607049444d66e---zibikawusikepuge.pdfIn PDF document text
  • https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/160964de857e1d---67359446629.pdfIn PDF document text
  • https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/d016115570a75c643216939e2d57887e/87111792838.pdfIn PDF document text
  • http://www.stemcellhairclinic.com/files/files/velamusebimuvemelis.pdfIn PDF document text
  • http://mariopresto.pl/userfiles/file/faporinajam.pdfIn PDF document text
  • http://arniestribu.com/campannas/file/69922621365.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=side+effects+of+low+potassiumPDF 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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