Malicious PDF — malware analysis report

Heuristics 9

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
  Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
• Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
  Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
• 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://splhardware.com/UploadFile/file/2021090602204373499.pdf

  • http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/302a1b3237b015c3bb47afe99b8ed045/menezidupipag.pdf
  • https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/8819919ff75100c4ba1d6d1aae8833f8/14012767840.pdf
  • http://marketingnews.fr/images/file/zewevi.pdf
  • http://www.guus.edu.mn/ckfinder/userfiles/files/zexoz.pdf
  • http://hieuchuan.com/upload/files/xopupufimulapik.pdf
  • https://mongolia-volkslift.com/uploads/files/wojevonol.pdf
  • http://kuehllawpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jinafobigijefilasab.pdf
  • https://www.ojchamber.com/ckfinder/userfiles/files/xopajupofodigisaweva.pdf
  • http://www.parinet.fi/tiedostot/files/73542330126.pdf
  • https://songhongresort.com/img/files/pinoforez.pdf
  • http://5m-tti.com/uploads/image/files/zebutixazasadazize.pdf
  • https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/52ef02b8d61d174dd297e7de5d323427/97243806495.pdf
  • http://getsolarny.com/userfiles/file/13662657330.pdf
  • http://allgeology.ru/ckfinder/userfiles/files/24982515263.pdf
  • http://ambulatorioveterinarioscapindandrea.it/userfiles/files/dujebotiwugilefug.pdf
  • http://www.enredmail.com/templates/files/idCliente_/file/moxavoborugipibipiro.pdf
  • https://www.shipgo17.com/plugin/ckeditor/ckfinder/userfiles/files/faxinejomowaled.pdf
  • http://darslaska.org/ckfinder/userfiles/files/lebulobedadupibe.pdf
  • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132ed4398c47---tapamedutafakukanikasug.pdf
  • http://giaodantanthaison.com/Images_upload/files/jekebawuwekolefugox.pdf
  • https://tezerwatch.com/file/upload/files/09-07-00-56-09-66.pdf
  • http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613151560809e---xavelufipilekirosa.pdf
  • https://ahirealty.in/admin/userfiles/files/87392501270.pdf
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138573bbacf8.pdf
  • http://itexpertdog.nwoasis.com/upload/files/15723759477.pdf
  • http://stellar.ru/ckfinder/userfiles/files/mazukidepimuwopidowozorut.pdf
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=fifa+mobile+hack+mod+apk+2020
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#
  • http://purl.org/dc/elements/1.1/
  • http://ns.adobe.com/pdf/1.3/
  • http://ns.adobe.com/xap/1.0/
  • http://ns.adobe.com/xap/1.0/mm/
  • http://ns.adobe.com/xap/1.0/rights/
  • http://dejavu.sourceforge.net
  • http://dejavu.sourceforge.net/wiki/index.php/License

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