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
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://medvor.ru/pbw?utm_term=need+for+speed+most+wanted+download+rar PDF link annotation

  • https://static.s123-cdn-static.com/uploads/4503533/normal_5fedac1c8407b.pdfIn PDF document text
  • https://sonalopuxarore.weebly.com/uploads/1/3/4/3/134310538/b19316f83aad52.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4474987/normal_60177f0acef82.pdfIn PDF document text
  • https://matimupu.weebly.com/uploads/1/3/4/8/134880469/fefobuzaveta.pdfIn PDF document text
  • https://ripixupazina.weebly.com/uploads/1/3/5/3/135343237/3a0275788a0.pdfIn PDF document text
  • https://lotagixowila.weebly.com/uploads/1/3/1/1/131164100/da76be.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4449405/normal_60b94119ae262.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/adb70c5b-834b-4a2b-a3ea-2330b5dae28e/asp.net_mvc_5_identity_2.0_tutorial.pdfIn PDF document text
  • http://wiwedano.pbworks.com/f/98938601343.pdfIn PDF document text
  • http://rujuboxu.pbworks.com/w/file/fetch/144773781/tamilrockers_movie_download_2017_telugu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1d611eb6-80d4-47af-a036-fb984955de70/64751107577.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/99c15bae-a0ae-478f-8f65-c60ba42ae0c8/biwirowosuj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/99cc6dc8-613d-4818-bcd3-b780e7abff2f/planescape_campaign_setting_review.pdfIn PDF document text
  • http://gamaxidad.pbworks.com/w/file/fetch/144556542/tejilabej.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/54fdbc40-73a7-4375-854f-4cfdaf0090af/nokiridur.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/823464d8-9a6d-4f07-801b-e23151d84700/pilejimarejozosatik.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/283811d0-1428-48e9-9616-6e734a92ef43/does_amazon_workers_get_a_discount_on_apple_products.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/66136910-61f1-417f-8cf3-e5cd721968ba/ejercicios_de_multiplicacion_de_dos_cifras_para_nios_de_tercer_grado.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e3593f87-f29f-4299-b7b5-5ded27f6b6d7/petit_nicolas_movie_summary.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/53d18360-eeac-44c1-9eeb-b8cef5f17709/which_one_would_most_likely_cause_a_printer_to_print_blank_pages.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6e7ad761-cf1d-4700-86a3-03463f7b873c/circling_idiom_worksheet_answers.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://scripts.sil.org/OFLIn PDF document text

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