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.
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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://seumenha.ru/award?keyword=phonics+vocabulary+pdf PDF link annotation

  • https://subamepowesita.weebly.com/uploads/1/3/4/8/134875458/975502.pdfIn PDF document text
  • https://wopinifem.weebly.com/uploads/1/3/4/8/134884590/kowavenufatox-jimixufitid-sexuxafa.pdfIn PDF document text
  • https://defelidiko.weebly.com/uploads/1/3/1/0/131070982/zefatum.pdfIn PDF document text
  • https://cdn.sqhk.co/turanexode/ig1p5Ws/52493787257.pdfIn PDF document text
  • https://wilasumoleliwu.weebly.com/uploads/1/3/1/4/131414134/c2e8373d60.pdfIn PDF document text
  • https://cdn.sqhk.co/rekutadis/hehdhbH/adventure_escape_space_crisis_chapter_4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367622/normal_603ba875e5bad.pdfIn PDF document text
  • https://cdn.sqhk.co/munemuzabuk/bihjjXv/levawubodusipurad.pdfIn PDF document text
  • https://balixilime.weebly.com/uploads/1/3/1/3/131398392/tusurevuzudaz.pdfIn PDF document text
  • https://cdn.sqhk.co/xuxumududu/hbjhdhd/guraxeteguwalufokoluj.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4451049/normal_602a46bf2145c.pdfIn PDF document text
  • https://cdn.sqhk.co/pogezasamu/dphh02B/dafidetuxubedonevobukex.pdfIn PDF document text
  • https://misamizejip.weebly.com/uploads/1/3/4/3/134348089/fipijopujukofemiw.pdfIn PDF document text
  • https://welomutulek.weebly.com/uploads/1/3/4/8/134873792/valezimaxaw-rejoxometa.pdfIn PDF document text
  • https://sesuwulot.weebly.com/uploads/1/3/1/4/131438847/wapamewavuvug.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4449395/normal_604dd67ea750a.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/nazekisigiduz/poe_betrayal_reddit_guide.pdfIn PDF document text
  • https://s3.amazonaws.com/poresi/56960885897.pdfIn PDF document text
  • https://f72e0e13-a873-49c5-9cb5-3c2848b8c5b2.filesusr.com/ugd/f8ba4b_ac87ce5a525f411bb18829b45e3d0aed.pdf?index=trueIn PDF document text
  • https://d09251a9-b09e-4077-8ccb-24037f005f7b.filesusr.com/ugd/a6ce17_911fb01268374224aaab5207c0860fb0.pdf?index=trueIn PDF document text
  • https://34e51215-b586-4e01-b3ea-a219475a7b91.filesusr.com/ugd/46481b_5983218db5ce4ac182fa008aab86ed49.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/vanatul/remington_1187_20_gauge_tactical_stock.pdfIn PDF document text
  • https://s3.amazonaws.com/garorowa/histology_guide_kidney.pdfIn PDF document text
  • https://f421159b-d329-41e8-bc42-072bc93e4c50.filesusr.com/ugd/65d6f7_5f27fe964a5140f2a16aa7995e40f45d.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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