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.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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.
• 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 https://yubit.co.za/XSRYdR1H?utm_term=echo+dot+manual+reset PDF link annotation

  • https://tessuno.com/upload/files/622b6cc635595.pdfIn PDF document text
  • https://ldoris.com/upfile/files/20220210053044.pdfIn PDF document text
  • http://goddeal.cz/files/file/31205068368.pdfIn PDF document text
  • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1620d116acdbe6---zuzexepolakorogoko.pdfIn PDF document text
  • http://www.motionmantra.com/userfiles/files/bameto.pdfIn PDF document text
  • http://riverside.tw/user_upload/files/72054283420.pdfIn PDF document text
  • http://doudou.tw/userfiles/files/lagaxaxebol.pdfIn PDF document text
  • https://thebillionbottom.com/business_school/uploads/file/kojaxatulerisozam.pdfIn PDF document text
  • http://www.kevimotor-rock.hu/files/files/tidekerozixusisapugikak.pdfIn PDF document text
  • http://rexpo.es/admin/ckFiles/files/49666787441.pdfIn PDF document text
  • https://angkaganjil.com/contents/files/56708220442.pdfIn PDF document text
  • https://staffinghub.complifly.com/ckeditor/kcfinder/upload/files/12940992146.pdfIn PDF document text
  • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/16219e89ae1107---ruzur.pdfIn PDF document text
  • https://ultralloy.net/upload/files/joluvevogozudimif.pdfIn PDF document text
  • https://inprovitbrasil.com/ckfinder/userfiles/files/gebulolonobaneze.pdfIn PDF document text
  • http://cdut.kiev.ua/kcfinder/upload/files/serosagukirifu.pdfIn PDF document text
  • https://tikatalog.sk/_files/file/10206036854.pdfIn PDF document text
  • http://jurabos.nl/include/editor/file/fulivakekebuje.pdfIn PDF document text
  • http://nsk-nalogov.net/upload/files/53404411047.pdfIn PDF document text
  • http://ineke-ott.nl/keramiek-beelden-imagesfile/20864544536.pdfIn PDF document text
  • https://mariellatriolo.it/public/file/vuxuxuweg.pdfIn PDF document text
  • https://sayurmateng.com/contents/files/rulisezenozesejurume.pdfIn PDF document text
  • http://euro-service.org/kcfinder/upload/images/kelamuzafojevusax.pdfIn PDF document text
  • http://axiomestates.com/userfiles/file/20384730267.pdfIn PDF document text
  • https://www.liad-alger.fr/admin/style/js/edit/kcfinder/..%5Cimages%5Ccontenue/files/zedolikineluguvima.pdfIn PDF document text
  • http://vytvarnyobchod.cz/UserFiles/File/wumekesuvawunatewux.pdfIn PDF document text
  • http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16222a9adde976---bujowoxufunami.pdfIn PDF document text
  • https://www.uncme.org.br/Gerenciador/kcfinder/upload/files/sulunejofaxofe.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/0dnsbqjqiu670bookg71is13h5/birepoxogat.pdfIn PDF document text
  • https://gira-rozetki.su/kcfinder/upload/files/47793676517.pdfIn PDF document text
  • http://elite-nails.pl/Upload/file/xabovepimulaz.pdfIn PDF document text
  • https://imagebrandstudio.com/userfiles/file/lubarifotikadiwu.pdfIn PDF document text
  • http://raudhatuljannah-gma.com/assets/kcfinder/upload/files/1422179572.pdfIn PDF document text
  • https://fluffy-chins.sunnylion.com/images/file/dodalomiwigonefaxawap.pdfIn PDF document text
  • http://www.tiande-global.com/ckfinder/userfiles/files/2809763608.pdfIn PDF document text
  • https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/16227216bbdc8b---nefakuvepirujisex.pdfIn PDF document text
  • https://www.habitat-morvan.fr/ckfinder/userfiles/files/vemabukuzexagej.pdfIn PDF document text
  • https://communicationscharlevoix.com/admin/kcfinder/upload/files/32932817266.pdfIn PDF document text
  • http://kbautotech.com/board/datafiles/imagefile/56048258063.pdfIn PDF document text
  • http://iscyber.com/userfiles/file/jifajibilinegisedaxoka.pdfIn PDF document text
  • https://oilbasaro.com/web/images/ckfinder/files/20220203081146.pdfIn PDF document text
  • https://www.sophrologue-nimes.fr/upload/news/files/figenunawuxigarawotu.pdfIn PDF document text
  • http://juentai.com/userfiles/files/81091854589.pdfIn PDF document text
  • http://ksklinika.ru/ckfinder/userfiles/files/2852487447.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

  +3 more URL(s)

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