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 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 https://queure.ru/uplcv?utm_term=titanic+theme+song+lyrics+pdf+download PDF link annotation

  • http://www.jindatunnel.com/up_files/file/61248307864.pdfIn PDF document text
  • http://abwcrainhwy.com/uploads/files/torikesorumopifolubajepex.pdfIn PDF document text
  • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/f4a7d85e3692aad5113d98342e951696/79658291141.pdfIn PDF document text
  • http://technoauto.jp/js/upload/files/25061598497.pdfIn PDF document text
  • https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/ijfc6imlt129o2atv3g5s29527/velofabo.pdfIn PDF document text
  • http://natur-pet.cz/webpagebuilder/ckfinder/userfiles/files/76678832652.pdfIn PDF document text
  • https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/254686b226fc6c9e7d17a6fbb7e7299a/91403911841.pdfIn PDF document text
  • https://imahima.xyz/js/ckfinder/userfiles/files/zadimageratu.pdfIn PDF document text
  • https://alice-immo.com/userfiles/file/segejuvapa.pdfIn PDF document text
  • http://amirafouad.com/uploaded_files/file/21200651179.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/prtamnrct0pi00q00t2ugaqeb4/11186371789.pdfIn PDF document text
  • http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/rfgjbihjj1uqgjd17cej3ku6u4/jixikorugefopogaxe.pdfIn PDF document text
  • http://rjbmachinery.com/d/files/miwofejaruzufenuxigu.pdfIn PDF document text
  • http://salonorganica.ru/upload/files/zimimovokekipugoji.pdfIn PDF document text
  • https://www.hs-hofgastein.salzburg.at/ckfinder/userfiles/files/ririkejitugopozafadivobap.pdfIn PDF document text
  • https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/2da054a17696e5602b06b5c4abde0f81/runuwunedubarabimosekufa.pdfIn PDF document text
  • http://webinaris.training/ckfinder/userfiles/publics/files/278430281.pdfIn PDF document text
  • https://esz.jp/img/editor/files/50545839038.pdfIn PDF document text
  • http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/16088bd9446516---nogoligutowererisem.pdfIn PDF document text
  • https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/a5ef493eb4702763beeaf03e0d5c5eb3/netuwopabada.pdfIn PDF document text
  • http://atek-ent.com/upload/file/765365152.pdfIn PDF document text
  • http://bora.su/ckfinder/userfiles/files/towuw.pdfIn PDF document text
  • https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2786e20ed---dojoleremuxa.pdfIn PDF document text
  • http://ozdoby-betonowe21.pl/Upload/file/84175647552.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/160b2e2b71e3c5---pepevumasabibi.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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