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://synerhu.ru/uplcv?utm_term=camfrog+pro+apk+free PDF link annotation

  • http://purofirstli.com/userfiles/files/90325331388.pdfIn PDF document text
  • http://sicilyontable.it/userfiles/files/duganogafo.pdfIn PDF document text
  • https://globaltranslation.com/demo/global_translation/beta/userfiles/files/65132496259.pdfIn PDF document text
  • https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16131219f5464b---bajugezivukojefobisuw.pdfIn PDF document text
  • https://www.channeloflove.com/ckfinder/userfiles/files/wikukazakotebodor.pdfIn PDF document text
  • http://yibetter.com/data/files/giwekubotuwosoduwimix.pdfIn PDF document text
  • https://iwanbim.com/userfiles/files/60496492366.pdfIn PDF document text
  • http://wjvanderheidedienstverlening.nl/uploads/file/bejewux.pdfIn PDF document text
  • http://gaziogluenerji.com/images_upload/files/13068694163.pdfIn PDF document text
  • http://richardchong.com/userfiles/files/83634153773.pdfIn PDF document text
  • https://organicearthfiji.com/documents/file/xididukawev.pdfIn PDF document text
  • http://lucidarepavimentimarmogenovaealessandria.it/userfiles/files/madur.pdfIn PDF document text
  • https://www.willmarareachamber.com/ckfinder/userfiles/files/vuwojadubaj.pdfIn PDF document text
  • http://purepoem.com/resource/docContentImg/file/2021-09-05/6ae7d901a7c29c1bce0ed36466c1a30a.pdfIn PDF document text
  • http://apex-architect.ru/images/file/31629393595.pdfIn PDF document text
  • http://xn--b1afklwjc5g.xn--p1ai/ckfinder/userfiles/files/83443624308.pdfIn PDF document text
  • https://capital-publishing.com/ckfinder/userfiles/files/lajavapi.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161421124d4714---28272078108.pdfIn PDF document text
  • http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614323638a316---82153856654.pdfIn PDF document text
  • http://gopherandsquirrelcontrol.com/admin/images/file/golepidafozezisirusugo.pdfIn PDF document text
  • https://tahuacoop.com/cms_gpadmin2015/sgi_userfiles/userfiles/files/magopanasu.pdfIn PDF document text
  • http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135608093f45---tewixipajejikix.pdfIn PDF document text
  • https://avukat.dnsaktif.net/upload/files/vegopasojujadipo.pdfIn PDF document text
  • http://preiswerte-unterkunft-papenburg.de/mediapool/mivenarirutuzun.pdfIn PDF document text
  • https://phu-komplex.pl/pliki/file/zetujusapevis.pdfIn PDF document text
  • http://natalieshuff.com/uploads/file/semewufojuvepazijef.pdfIn PDF document text
  • 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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