Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://vilenefex.ru/strik?utm_term=chemical+nomenclature+worksheet+with+answers PDF link annotation

  • https://jowidirususonin.weebly.com/uploads/1/3/0/7/130775515/3771604.pdfIn PDF document text
  • https://toxutumopomepe.weebly.com/uploads/1/3/5/3/135327812/mumisafomopolelof.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387424/normal_60155ae2d79f9.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4480162/normal_60090a4f154b9.pdfIn PDF document text
  • https://niwanuve.weebly.com/uploads/1/3/1/4/131406473/viseletefogula.pdfIn PDF document text
  • https://dozumudokasalog.weebly.com/uploads/1/3/4/9/134902229/a9c3a7c9c47a.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4426422/normal_5ff9f8f1de067.pdfIn PDF document text
  • https://guxatizozekeme.weebly.com/uploads/1/3/4/7/134733227/37eb42b8e.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/90afcda6-a21f-4c23-ac2b-70845b71bf54/vezeburox.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6fd0fdc8-ee4c-4ce1-8fdf-76f5bc7683db/spanish_grammar_for_beginners_free_download.pdfIn PDF document text
  • https://s3.amazonaws.com/sesijesule/age_of_empire_3_mobile_java_apk.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/95ba7bd6-818c-4e7f-a18c-ad01d3f5959e/xeneximozolofapup.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d0cdf1f1-82fa-4de0-992f-f9a7fad93be5/bigapojodekavonafofuwa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5a714af1-592e-47b8-badb-fbecd0e7ba14/three_view_drawing_exercises.pdfIn PDF document text
  • https://s3.amazonaws.com/tokatefozude/los_fenicios_reporteros_de_la_historia.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/86a1584d-e2f0-4652-9c93-03ce94d80bd9/fantastic_beasts_and_where_to_find_them_2_full_cast.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9c719fff-f4ca-48b7-8dc8-cea829786073/12555040372.pdfIn PDF document text
  • https://s3.amazonaws.com/pesetufavo/dublin_city_council_commencement_notice_form.pdfIn PDF document text
  • https://s3.amazonaws.com/muvarelo/block_sites_android.pdfIn PDF document text
  • https://s3.amazonaws.com/fapaga/nomorudidekegugosedixulu.pdfIn PDF document text
  • https://s3.amazonaws.com/wupuxus/dd_5e_mythic_classes.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/14fd909c-5073-4e43-ad00-11985fbde09c/57449278647.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a24de8ca-2fb6-4495-94be-d21a40fa609e/23142193617.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c0eaabff-cbab-4815-ac85-7ec39233651b/memefoba.pdfIn PDF document text
  • https://s3.amazonaws.com/novifamigot/padi_open_water_diver_manual_test_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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