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 http://xn--80age2amlc.xn--80adxhks/pics/images/file/35585738208.pdf In PDF document text

  • http://changwontour.kr/FileData/ckfinder/files/20210704_F7F74420325A1376.pdfIn PDF document text
  • https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607314d36557b---tabelafexadu.pdfIn PDF document text
  • http://fairmonteast1969.com/clients/876766/File/xezalizumovofukad.pdfIn PDF document text
  • http://www.sas.edu.mn/ckfinder/userfiles/files/nepiduvufixaxibetojowerok.pdfIn PDF document text
  • https://rdsdealers.com/ckfinder/userfiles/files/jidarinuxevimatifewobolu.pdfIn PDF document text
  • http://cheapneasytrafficschool.com/CheapNEasyTrafficSchool/pa/trainstation/uploads/image/file/donudumeromef.pdfIn PDF document text
  • http://teresachild.com/upload/files/34091050238.pdfIn PDF document text
  • https://earplighting.com/wp-content/plugins/super-forms/uploads/php/files/d4c731b304e0ba4e3b5fbb98db7eedca/55719460055.pdfIn PDF document text
  • http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608da86b8d002---forurerojatazikuzogeku.pdfIn PDF document text
  • http://mdbim.pl/ubezpiecz/obrazy/file/74613571173.pdfIn PDF document text
  • http://rajskiewakacje.pl/userfiles/file/kakozekobuxuvegudokaweva.pdfIn PDF document text
  • https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/fabef5f9ed235a781d5945216c6180ee/19623108401.pdfIn PDF document text
  • https://burgas-remonti.com/userfiles/file/59092422378.pdfIn PDF document text
  • http://dragonera.cn/admin/userfiles/file/vigasanirirojad.pdfIn PDF document text
  • http://forglass.sk/userfiles/file/6235893611.pdfIn PDF document text
  • https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/9c2dbc065d7860719e5a1313f595ac74/15783129396.pdfIn PDF document text
  • http://upakuika.com/img/file/9149510349.pdfIn PDF document text
  • http://tiszaladany.hu/upload/file/zetavokujawade.pdfIn PDF document text
  • http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/511bb2745e814bf3ca116563394c3624/17268827484.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160c9a954cf56e---5924769377.pdfIn PDF document text
  • http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b88068708b3---51748840758.pdfIn PDF document text
  • http://clinicaveterinariacittadivignola.com/userfiles/files/tumakigot.pdfIn PDF document text
  • http://langeline.com/ckeditor/upload/files/8873101772.pdfIn PDF document text
  • https://tahitotfaluovodak.hu/ckfinder/userfiles/files/komunosifi.pdfIn PDF document text
  • https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d22bc7b5766---44823297435.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=patrick+lencioni+the+advantage+worksheetPDF link annotation
  • 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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