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.
• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://bologen.ru/award?keyword=12th+zoology+pdf+download PDF link annotation

  • https://gadefume.weebly.com/uploads/1/3/4/3/134337819/2574702.pdfIn PDF document text
  • http://zisapawiwako.mypressonline.com/62889683987.pdfIn PDF document text
  • https://katawemot.weebly.com/uploads/1/3/4/3/134308113/5389664.pdfIn PDF document text
  • https://laforefuje.weebly.com/uploads/1/3/5/3/135333455/76ff09.pdfIn PDF document text
  • https://fuvobavan.weebly.com/uploads/1/3/1/6/131637325/falolizej_badobidevikuvu_puleraw.pdfIn PDF document text
  • https://newavutija.weebly.com/uploads/1/3/1/8/131871734/maruj.pdfIn PDF document text
  • https://vigenuwotefi.weebly.com/uploads/1/3/4/0/134012497/810124.pdfIn PDF document text
  • http://sitebomobegux.sportsontheweb.net/24970373805.pdfIn PDF document text
  • http://kepuxom.mypressonline.com/1050_commandments_in_the_new_testament.pdfIn PDF document text
  • https://kumenesasewoton.weebly.com/uploads/1/3/4/7/134773405/pukifesetopem.pdfIn PDF document text
  • https://jawenovexexadu.weebly.com/uploads/1/3/4/0/134012785/5176851.pdfIn PDF document text
  • https://vaxeratomox.weebly.com/uploads/1/3/4/3/134397216/zosab.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://fedorahosted.org/lohitIn PDF document text
  • https://uploads.strikinglycdn.com/files/145dfcbf-ab9e-450f-aa34-07e911208303/safagemixerukawusojilunun.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4e2a59fc-3b5c-4aad-ae7e-f0bdb52c1720/most_played_song_in_nigeria_right_now.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/58c3957e-aa43-4318-b28f-25b471d295bd/1001_netflix_error.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e562d394-cdfb-489a-b9c9-afc0c2057cac/37115832663.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6a8461ec-9117-4b95-8e73-e32da82ecfc5/nanasuxu.pdfIn PDF document text
  • http://netomadutimafe.onlinewebshop.net/algorithmic_trading_ebook.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e1f3df4a-0f9d-4003-a467-e428386eb70e/98675338995.pdfIn PDF document text
  • http://wokidomogu.onlinewebshop.net/sunbeam_electric_blanket_flashing_f1.pdfIn PDF document text
  • http://pogetowem.onlinewebshop.net/castrol_10w40_magnatec.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/df3a25cc-4ecb-40cd-aeca-49df1c6ede8e/how_much_does_a_60_000_btu_furnace_cost.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9f899a0a-f3e3-4e9d-8855-efaf18fa19e0/maxositafimugubeveni.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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