Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://irlanc.ru/uplcv?utm_term=remember+the+titans+worksheet+answers PDF link annotation

  • http://artistalexanderkanevskywinnerinternationalaward.com/clientMedia/file/sajosixewemibixiborojiwoz.pdfIn PDF document text
  • http://esrafisek.com/images_upload/files/99861999906.pdfIn PDF document text
  • https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/68afab9322d071de3e55f03c22f71374/44025394858.pdfIn PDF document text
  • https://tomorrowhubs.com/upload/users/files/79274510820.pdfIn PDF document text
  • https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/59d80e59dbd095edffcd7081aff66e41/67849918306.pdfIn PDF document text
  • https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb71e284db---vaferadokeri.pdfIn PDF document text
  • https://tabularasa.lv/sites/tabularasa/uploads/documents/files/5347778854.pdfIn PDF document text
  • http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/4qo0ib9eargtmab6872n5gvq40/nugiwoxoka.pdfIn PDF document text
  • https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8ff37df66b---95537541653.pdfIn PDF document text
  • http://zulaikhatextile.com/userfiles/files/tedetusikudadinevugem.pdfIn PDF document text
  • http://shinex-auto.com/userfiles/file/67457195453.pdfIn PDF document text
  • https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607bebef2f081---lokipiredubisoxi.pdfIn PDF document text
  • http://www.alex-vasilkov.ru/images/wisdom/file/zigolobimogovixuxoxevurij.pdfIn PDF document text
  • http://alt-1c.ru/userfiles/file/giwofojozovozas.pdfIn PDF document text
  • http://batterseataxi.com/survey/userfiles/files/ditemagumonus.pdfIn PDF document text
  • https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/b3afa40a3f2ee691122d0907330a38f9/57379849627.pdfIn PDF document text
  • http://hanbangrd.com/userfiles/file/20210727064645_1211204621.pdfIn PDF document text
  • http://allier-genealogie.org/File:/gizam.pdfIn PDF document text
  • http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160d9f4ee75490---36109454481.pdfIn PDF document text
  • http://laboratoriodiprogettazione-ve.it/userfiles/files/2451045137.pdfIn PDF document text
  • http://sattosushi.com/uploads/files/88510295197.pdfIn PDF document text
  • https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f3b54c1830---dolugoxesa.pdfIn PDF document text
  • 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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