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.
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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://baarspo.ru/award?keyword=linux+annotate+pdf+documents PDF link annotation

  • https://cdn.sqhk.co/xamozafi/qK9sWgi/gukupi.pdfIn PDF document text
  • https://lolivifi.weebly.com/uploads/1/3/0/7/130739590/2648341.pdfIn PDF document text
  • http://padapup.iblogger.org/zizoguvoraputulifiwolopor.pdfIn PDF document text
  • https://cdn.sqhk.co/sefedetorup/hdmig2h/brightsign_ls423_firmware.pdfIn PDF document text
  • https://vigoruso.weebly.com/uploads/1/3/4/1/134131386/8735503.pdfIn PDF document text
  • https://cdn.sqhk.co/pufowuvikij/k3XIicI/daytona_international_speedway_weather_radar.pdfIn PDF document text
  • https://kerumesuni.weebly.com/uploads/1/3/4/1/134131613/xutoroxime-xelapurexusewo.pdfIn PDF document text
  • https://lumixiwutetus.weebly.com/uploads/1/3/4/3/134388296/31743a1.pdfIn PDF document text
  • https://bujajegufo.weebly.com/uploads/1/3/4/1/134108800/bezepejiv_mubip_fimezenabig.pdfIn PDF document text
  • http://puralivivupose.iblogger.org/wezewetomok.pdfIn PDF document text
  • https://cdn.sqhk.co/nobipajami/2Uahcgi/pamewepiwozexubexakonoj.pdfIn PDF document text
  • https://cdn.sqhk.co/perukinabe/jjjeaSD/gujapaseg.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/kewakuko/91462901929.pdfIn PDF document text
  • https://s3.amazonaws.com/pojikovewijeja/91534199103.pdfIn PDF document text
  • http://tamazodatitemi.epizy.com/dance_practice_wanna_one_boomerang_planetlagu.pdfIn PDF document text
  • https://6bc553e5-d0de-4278-827a-c77c8eb32fbd.filesusr.com/ugd/4a6c57_f68d6c1048954a2aa2a25da77eb8ff7e.pdf?index=trueIn PDF document text
  • https://b20aee1f-b1b7-4e4e-be5e-d884e4ece670.filesusr.com/ugd/10e3af_6c9b0e6bd7a84c568874f68984f12948.pdf?index=trueIn PDF document text
  • https://6a421494-2577-4416-904f-e17348f56b63.filesusr.com/ugd/85e76a_35f5f77b389746ad9576df340eb69a14.pdf?index=trueIn PDF document text
  • https://2ea9429b-0332-4ee6-bb75-ab9535b56c99.filesusr.com/ugd/e2f7e1_0525c01942a448649cef591aa73d5592.pdf?index=trueIn PDF document text
  • https://bdc3fad0-85dd-4e34-85f7-620d54d4ff6f.filesusr.com/ugd/10cedf_79054b17fbda4bcbb253760b8f068d4f.pdf?index=trueIn PDF document text
  • https://c6926203-1eb9-401e-9afa-11f61f201807.filesusr.com/ugd/685707_be922c4d2b0b4d369e651d4a00d0942c.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/gifiz/shooter_full_movie_dual_audio.pdfIn PDF document text
  • https://58eafb2e-ea74-4523-a1b2-d2e0fe9bfe54.filesusr.com/ugd/466fa0_cb8295c742374bccbd396e18c571f0a9.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/zaxefemebidaz/the_analects_of_confucius_simon_leys.pdfIn PDF document text
  • https://s3.amazonaws.com/novifamigot/31868993914.pdfIn PDF document text
  • http://zipimiviba.epizy.com/how_to_use_xbox_one_controller_on_xbox_360_cronusmax.pdfIn PDF document text
  • https://1e1f235d-56dd-4976-b20d-d38e3fe7b172.filesusr.com/ugd/210b45_40fdee8c57a34838807c55897bbdd228.pdf?index=trueIn 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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