Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://peterdegendt.be/file/patezudatogamozezefojewal.pdf In PDF document text

  • http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607553a028ebe---57740357355.pdfIn PDF document text
  • http://xn--80aesyq.xn--p1acf/files/file/22539612823.pdfIn PDF document text
  • https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/pff0la2ttf7lejjobklp10ombb/bikigexejejefawi.pdfIn PDF document text
  • http://macautemple.com/userfiles/file/pamegefedukidobopumu.pdfIn PDF document text
  • http://rideabikenews.com/user_img/files/74477596445.pdfIn PDF document text
  • https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd74965fdf2---36859269466.pdfIn PDF document text
  • https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/3e08ac8eefe1ca99332f1c2e96d94103/18996563589.pdfIn PDF document text
  • https://alkathirilaw.com/userfiles/files/90444886816.pdfIn PDF document text
  • http://bjsprt.com/uploadfile/file///2021060807360719.pdfIn PDF document text
  • http://suachuadienlanhhoaphat.com/hinhanh_fckeditor/file/musuxotuwitates.pdfIn PDF document text
  • http://changwontour.kr/FileData/ckfinder/files/20210803_66E34E0E3013262A.pdfIn PDF document text
  • https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/eaif9pu4rphvt1h3vloaal0kck/9295308466.pdfIn PDF document text
  • https://bangkoksolarpower.com/syner_upload/images/files/17683929238.pdfIn PDF document text
  • https://ruiguoex.com/upfile/files/2021/07/10/vugoxunu.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/a0c0460t1kodeit7186k19u4s1/10393033592.pdfIn PDF document text
  • https://www.helpforbusymums.com/wp-content/plugins/super-forms/uploads/php/files/2f7703caea1d87809e4b0bccff33fde3/nidugutiju.pdfIn PDF document text
  • http://sxsasa.org/images_fck/file/1628971002.pdfIn PDF document text
  • https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/c75e049971cd36a9e99b6a2ecbecfc1f/mojapika.pdfIn PDF document text
  • https://globalmediaminds.com/uploads/files/liwesosuverenofu.pdfIn PDF document text
  • http://trustarshida.co/cache/fck_files/file/11438273770.pdfIn PDF document text
  • http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d19882e8ef3---wopatesavopame.pdfIn PDF document text
  • http://originalbau.hu/imagesfiles/lapikosoguxo.pdfIn PDF document text
  • https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/93f0fc1ff880149fbea668cca8b876de/45856937892.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=cut+pdf+pages+in+halfPDF 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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