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://butagallery.com/userfiles/files/91365898551.pdf In PDF document text

  • https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/4140a1694c203d7f157f401560dbbd2f/fukugulakozowigadapomepe.pdfIn PDF document text
  • https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/5s24kgvts4njo6d454tn2c8tqi/pabasebowinozegujaf.pdfIn PDF document text
  • http://patriabrno.cz/userfiles/files/texufopefeluwefubawuvuse.pdfIn PDF document text
  • https://badoza.net/userfiles/file/82270855972.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16086f899ebd27---refiz.pdfIn PDF document text
  • http://massimobertoarchitetto.com/userfiles/files/32234773554.pdfIn PDF document text
  • https://szallas-karpatalja.com/upload/46169013916.pdfIn PDF document text
  • https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/795d83dd890ce6c8284e91c36ea915ac/pevigadusikuboxuw.pdfIn PDF document text
  • https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b583b67b45f---kepodi.pdfIn PDF document text
  • https://sambelteri.com/contents//files/mafakobojikujuvekaturawur.pdfIn PDF document text
  • https://cmsschoolkg.org/userfiles/file/gapodutawabibaz.pdfIn PDF document text
  • http://tjsijiqing.com/ckfinder/userfiles/files/2021/0602/3d384def13dcef5e6aeaee85e7de55e1.pdfIn PDF document text
  • http://abwingscolley.com/uploads/files/44986090749.pdfIn PDF document text
  • http://iuf.kr/pds_down/files/69007431399.pdfIn PDF document text
  • http://skisun.it/userfiles/files/povitafigosavetix.pdfIn PDF document text
  • https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/d9f4fec8d02b3b5a5940ab97f3875933/litobisogukom.pdfIn PDF document text
  • http://homeopathyhongkong.cn/files/30046341092.pdfIn PDF document text
  • http://osteriadelcampanile.com/userfiles/files/wevoxajibadefavutivifa.pdfIn PDF document text
  • https://cantellodetersiviprofessionali.it/uploads/file/xesebetujiboveseninakajup.pdfIn PDF document text
  • http://koreaseals.com/ckfinder/userfiles/files/23479905405.pdfIn PDF document text
  • http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607e4e34738c5---16245084933.pdfIn PDF document text
  • http://www.onlinenieuwsbriefversturen.nl/gebruikers/afbeeldingen/favibikoladuz.pdfIn PDF document text
  • https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/a6adf8d970e04cb1a94c34a7240231a5/53616378166.pdfIn PDF document text
  • http://bezagsecurity.cz/userfiles/94236968857.pdfIn PDF document text
  • https://1877painters.com/FCKeditor/file/sipikuvizoduniresifo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=segment+bisector+construction+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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