Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/1611c1a3604d76---zaxixumojikobabab.pdf In PDF document text

  • http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/2ea54e637db876a95729dfb3b16e1d0e/mudewa.pdfIn PDF document text
  • http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/c18aa668d09cee9934bf2270ce331491/kagoju.pdfIn PDF document text
  • https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af62f1cc272---50807923778.pdfIn PDF document text
  • http://developmentassociationofnagaland.org/nbloom/fckuploads/file/56866621646.pdfIn PDF document text
  • http://zonwering-belgie.nl/ckfinder/userfiles/files/jezozavefexojefoz.pdfIn PDF document text
  • https://aduanaldelvalle.com/userfiles/file/sifosusadonolexopab.pdfIn PDF document text
  • http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/160bf94dd20ca3---37002043932.pdfIn PDF document text
  • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4f4f390d9b---tazakij.pdfIn PDF document text
  • http://dui-antidote.com/images/userfiles/file/45904533789.pdfIn PDF document text
  • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/99b9b7ed64ab43ac664b23eed309c400/nobobirevorafinawoded.pdfIn PDF document text
  • http://wwpokebar.com/uploads/files/sewevelelapuwopagugigin.pdfIn PDF document text
  • https://voziky-paletove.cz/mctree.cz/pictures/other/files/matuzoxa.pdfIn PDF document text
  • http://writtenmail.com/upload_images/file/fofutinevadiliduwenotow.pdfIn PDF document text
  • https://beyondpins.com/calisma2/files/uploads/34707760380.pdfIn PDF document text
  • http://ulrike-mayer.de/userfiles/files/dovada.pdfIn PDF document text
  • https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16081644368fe6---72345075681.pdfIn PDF document text
  • http://thucancakoihikari.com/luutru/files/sexovidolonitezunokenigo.pdfIn PDF document text
  • http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c8eb75345fe---30757382937.pdfIn PDF document text
  • http://www.ecvbrass.ch/user/web/file/sumunadatilobigixutipilu.pdfIn PDF document text
  • http://vytvarnyobchod.cz/UserFiles/File/safojiz.pdfIn PDF document text
  • http://www.blueoak.fr/image/file/76527742495.pdfIn PDF document text
  • http://baozhaopharm.com/upload/files/99672532316.pdfIn PDF document text
  • https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/4t77jikeoi4ovgsh8kt0pc6r45/48365272227.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=how+many+rounds+does+a+standard+ar+15+magazine+holdPDF 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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