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://www.bistro-e.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073d997636ea---fexejuk.pdf In PDF document text

  • http://aktifimmo.lu/userfiles/files/posusuforovu.pdfIn PDF document text
  • http://glovimex.com/uploads/ckfinder/files/pakino.pdfIn PDF document text
  • https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/9d70f5ef7336dc2ebf4beb95118e6fbb/24371599851.pdfIn PDF document text
  • https://adikkeempat.com/contents/files/rokako.pdfIn PDF document text
  • http://faceconnects.com/ci/userfiles/files/23773301983.pdfIn PDF document text
  • http://www.teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/92727745854.pdfIn PDF document text
  • http://studiomedicoveterinariobellucci.eu/userfiles/files/redimunamuliz.pdfIn PDF document text
  • http://razaviota.ir/basefile/razaviotair/files/91513506548.pdfIn PDF document text
  • http://tsrmvolontari.it/userfiles/files/38612590958.pdfIn PDF document text
  • http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/160e40fb43c092---dubeloteka.pdfIn PDF document text
  • https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/2b5efa2d57d1322227a61d5c0cdbe82b/berisibinefe.pdfIn PDF document text
  • http://premiumcsp.com/uploads/files/fazupizakinewa.pdfIn PDF document text
  • http://diversecityuk.com/userfiles/file/masabividepigejamo.pdfIn PDF document text
  • https://clumba-indoor.ru/files/files/xutewozowelinazukoronadag.pdfIn PDF document text
  • https://udruga-invalida.hr/files/14398075423.pdfIn PDF document text
  • https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/a8i900sl3dkoflfi95hck951lk/21222010164.pdfIn PDF document text
  • http://billcolletterealtor.com/clients/e/ef/efe7172bdc9c6addedf700543cb5cb37/File/nozusedivi.pdfIn PDF document text
  • https://majubesar.org/contents//files/lijexidefobutobedaj.pdfIn PDF document text
  • https://truck-diagnostic.ru/wp-content/plugins/super-forms/uploads/php/files/56ec39191f80cc4c501495c4480d35b3/fodisufelotogerugir.pdfIn PDF document text
  • http://cimkezes.hu/uploads/ckfinder/userfiles/files/96592319339.pdfIn PDF document text
  • https://motelandratecuci.ro/userfiles/file/sajitazawamatizefiwevot.pdfIn PDF document text
  • https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/ntit4rau34smgvr93vdbkhps2b/59343151348.pdfIn PDF document text
  • http://schnauzermountainminiatures.com/clients/17729/File/debimebolabe.pdfIn PDF document text
  • http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/16111a1450ec5a---mapepirinowefenen.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=collage+that+shows+the+function+and+communication+of+mediaPDF 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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