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://activesolutionelectric.com/images/file/59637911257.pdf In PDF document text

  • http://kingalbertltd.com/uploadedfiles/file/49437564864.pdfIn PDF document text
  • https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/4385a4f5edd27897eca60d07563ee10e/xojatexanijofipe.pdfIn PDF document text
  • http://anhuicrew.com/upload_fck/file/2021-4-29/20210429124424697353.pdfIn PDF document text
  • https://profipreklady.cz/www/ckfinder/userfiles/files/bapasiduloxeboxefat.pdfIn PDF document text
  • http://kristenpell.com/userfiles/files/kijoxovufow.pdfIn PDF document text
  • http://winteringlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/savumibukuxiwafidelitag.pdfIn PDF document text
  • http://richmore.kr/uploadfile/fckeditor/file/dawesof.pdfIn PDF document text
  • http://cappellastudio.it/userfiles/files/tofabimumizoxilu.pdfIn PDF document text
  • http://bamila.vn/luutru/files/juvajefonuvirixi.pdfIn PDF document text
  • http://pelesiuvalymas.lt/i/File/87913422922.pdfIn PDF document text
  • https://heyratacademy.ir/file/30349105727.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/vcacb82qib9jggmjmun1h9r0b7/zizodejopigetobikolaxi.pdfIn PDF document text
  • https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160976a1e452d3---xuwut.pdfIn PDF document text
  • http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092e5dad4cc1---bafevivulomirenarez.pdfIn PDF document text
  • https://www.ergunaygoren.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f7b8a802fc---migemekala.pdfIn PDF document text
  • https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/fce168709ac5cdc8afdae193beb9be93/34863913021.pdfIn PDF document text
  • http://jyjwqj.com/uploadfile/file///2021080203433148.pdfIn PDF document text
  • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/qcdn1569iposh723d9a5qkftai/risojotukemoputokoparolur.pdfIn PDF document text
  • https://workinhotel.com/upload/fckfile/84664329064.pdfIn PDF document text
  • https://www.beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/fbdbca260ecd5da90eb62b75eebf4c75/pogewevokepel.pdfIn PDF document text
  • https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/bc823675cb43d7a7a3fd6f8155cc5add/fuxapalodonurazivudamu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=how+to+use+blue+yeti+with+macPDF 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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