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://infrive.ru/uplcv?utm_term=the+site+forman PDF link annotation

  • http://freehajjandumrah.com/admin/admin/uploadfiles/file/jidutoluve.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/160802e8de7e22---28144913530.pdfIn PDF document text
  • http://mientrungland.net/uploads/image/files/25944989680.pdfIn PDF document text
  • http://microlana.com/ckfinder/userfiles/files/pegulavipolatuzenamig.pdfIn PDF document text
  • https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/160a67d5ebd381---70861068245.pdfIn PDF document text
  • http://skrabl.pl/www/rpbd/fck/file/liginoxisobifidemisesunol.pdfIn PDF document text
  • https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/c6509f770f834d5388f43de163894587/57082769788.pdfIn PDF document text
  • https://www.litesourcenc.com/wp-content/plugins/super-forms/uploads/php/files/dd30092bacc1d1baf63a615afaf2d528/mozirulalaxivesewawusi.pdfIn PDF document text
  • https://www.expoagrogto.com/wp-content/plugins/super-forms/uploads/php/files/lprskaarvnjbhfahslvijva560/rukutajewetuxo.pdfIn PDF document text
  • https://catwalkdogcome.com/editor_upload_image/file/xutufivatusekakafejojaga.pdfIn PDF document text
  • https://aulacvn.com/upload/fck/file/larokidirawa.pdfIn PDF document text
  • https://myvideoclasses.com/ci/userfiles/files/mosajuxejibobopulap.pdfIn PDF document text
  • https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/f6a23c0d95290a96c95d152b3042a96f/64074704919.pdfIn PDF document text
  • http://blbr365.com/userfiles/file/1620594801.pdfIn PDF document text
  • http://mt-filtration.com/uploaded/file/16266014360e774439d2fe.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/7c9a130ce48f5478adef2f447c47eceb/77476911710.pdfIn PDF document text
  • http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b7323799b12---65635038735.pdfIn PDF document text
  • http://sushiloverca.com/uploads/files/kagewe.pdfIn PDF document text
  • https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/1cf8c608c92a7ed2fc76152fcfaaeb47/mewimuwezotusovor.pdfIn PDF document text
  • http://elandtour.com/FileData/ckfinder/files/20210705_971195803D04A201.pdfIn PDF document text
  • https://ms01bet.net/contents//files/60488403183.pdfIn PDF document text
  • http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16071e74e6a35d---3019777188.pdfIn PDF document text
  • http://artistalexanderkanevskywinnerinternationalaward.com/clientMedia/file/7020794935.pdfIn PDF document text
  • http://martonelektro.hu/files/file/57176087570.pdfIn PDF document text
  • https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/7134b24c037e280e92964c0e4640951a/98736097732.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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