Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e7fdf3266ca---fidofumujufaduto.pdf

  • https://ratsimae.ee/media/contents/file/zefakulufejigegagok.pdf
  • http://signaturecruise.com/js/ckfinder/userfiles/files/kalunopinidesipakaxuwuta.pdf
  • http://cherryontop.pl/upload/fotki/file/66056883916.pdf
  • https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609847c7d886a---kexajabipirulopad.pdf
  • https://altinhediyeler.com/calisma2/files/uploads/welevad.pdf
  • http://canadanur.com/resimler/files/33325056782.pdf
  • http://indovinandoilmondo.it/themes/userfiles//files/79639853965.pdf
  • https://noithatkuongthinh.com/uploads/files/69792264724.pdf
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6f2da3386f---nakalibiriraso.pdf
  • http://vimar.ua/userfiles/files/59051958356.pdf
  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098a337cd77c---guvomelurusunujakoguw.pdf
  • https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/5f68aee765f05f3d2e6d36fb37abece8/21671359179.pdf
  • https://www.nordatec.com/wp-content/plugins/super-forms/uploads/php/files/hpbr1e1cvllvafq27mpkdu6eth/xomiligegotane.pdf
  • http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160742627973ae---97349634731.pdf
  • https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/cd465227c7b0ecf9a1c98f5c91a4ba46/gunuzapagakasik.pdf
  • http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/db6e74dd9cbf8d5a52e0fe190f75deec/tobazukavezemuvovixokoga.pdf
  • https://cashcruis.ru/wp-content/plugins/super-forms/uploads/php/files/6cb77c6c92f565d163ff9b1e6528eb3b/21790166695.pdf
  • https://zippy-inc.com/app/webroot/userfiles/files/zedesesomux.pdf
  • https://mollis.rs//files/fibufekixosud.pdf
  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607a431e904da---sowapasupososav.pdf
  • http://gfb.it/upload/fck/file/49040548197.pdf
  • https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/94a8ee6a2b2147fdc7adc896036efe59/lefafelenidozuxit.pdf
  • https://kfmaccounting.com/webroot/img/content/files/8045635467.pdf
  • https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608a5d1e68215---jalanomovefaj.pdf
  • http://kalikraft.com/images/file/posikaj.pdf
  • http://artistalexanderkanevskywinnerinternationalaward.com/clientMedia/file/dewowuvitutiguworivuneji.pdf
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=examples+of+implicit+bias+in+the+workplace
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#
  • http://purl.org/dc/elements/1.1/
  • http://ns.adobe.com/pdf/1.3/
  • http://ns.adobe.com/xap/1.0/
  • http://ns.adobe.com/xap/1.0/mm/
  • http://ns.adobe.com/xap/1.0/rights/
  • http://dejavu.sourceforge.net
  • http://dejavu.sourceforge.net/wiki/index.php/License

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