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
• 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.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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://xajibur.ru/wix?keyword=arc+length+practice+worksheet+geometry PDF link annotation

  • https://sizemerekev.weebly.com/uploads/1/3/1/6/131606963/nogop.pdfIn PDF document text
  • https://soxoxalumowaju.weebly.com/uploads/1/3/4/7/134768556/1cb43.pdfIn PDF document text
  • https://nazalufu.weebly.com/uploads/1/3/1/4/131409274/2144715.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4450636/normal_60099ec10f693.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371258/normal_602069798d9fd.pdfIn PDF document text
  • https://nokajavu.weebly.com/uploads/1/3/0/9/130969653/7149531.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4491168/normal_603c62b1eee06.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381297/normal_6013354f15692.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/xukanomarexumu/employment_news_7_september_2019.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3edbe029-04e1-40dd-a51b-83276b3e9cde/84288899845.pdfIn PDF document text
  • https://96daf755-36ed-4ece-a185-bed8db3f70ea.filesusr.com/ugd/a95cda_bdf0c7e5378b4f6293c8db2a33aecd2b.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/forupokisip/array_in_rpgle_free_format.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/86fe1c60-1ca1-4017-8a1a-70aaa0f105c3/gravity_worksheet_6th_grade.pdfIn PDF document text
  • https://s3.amazonaws.com/petikamov/beast_master_ranger_guide.pdfIn PDF document text
  • https://cee4a208-09ac-40e0-983f-4c2cc776acbe.filesusr.com/ugd/5ed537_1a0814e4a8f74ee1b7c57c3026e32e55.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/3c213834-84f5-4730-920a-360055238913/samsung_galaxy_s4_mini_gt-i9195_datenblatt.pdfIn PDF document text
  • https://d9226533-59f4-4737-ae77-cfa9cdee5378.filesusr.com/ugd/d7c203_9bc39b7fe9c9487eab794fd8a8c7af9c.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/zurovajij/grammar_conventions_worksheets.pdfIn PDF document text
  • https://s3.amazonaws.com/wiwuxot/princeton_review_gre_books_free.pdfIn PDF document text
  • https://s3.amazonaws.com/mipizaju/3565591221.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/285ef224-8b37-4c9c-9c13-ba77a3eaa200/44070952013.pdfIn PDF document text
  • https://s3.amazonaws.com/nemafu/vande_mataram_female_song_pagalworld.pdfIn PDF document text
  • https://af0fe010-594a-4ec7-a26b-e2d78e33490d.filesusr.com/ugd/7d2910_65722746d78f4d36a5b396035e0709c9.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/459019f2-8e9d-494c-868d-8931b1065bd6/goronutuboba.pdfIn PDF document text
  • https://fe2b84af-b373-48e0-a714-f820169e3fe9.filesusr.com/ugd/ed1d2e_23277a81779846888af9e10a39895ec2.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/sumesawoxajew/xagaj.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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