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://golowaki.ru/wix?keyword=gas+stoichiometry+problems+with+answers PDF link annotation

  • https://cdn.sqhk.co/konafomaz/hzZzmgc/kogamuzewibelibumipop.pdfIn PDF document text
  • https://cdn.sqhk.co/mifimafonuku/dpid2ja/wifi_private_network_windows.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/04acd939-ce41-4598-924e-feae24b31dbd/radumalafivazo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/35ea8d83-87c3-4492-a35d-336ff27a5032/dijesotivofenonomizibop.pdfIn PDF document text
  • https://s3.amazonaws.com/lonozote/avatar_250_premium_cho_android.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6e0cff7e-1d27-4d77-9ae1-92f6085ce4a7/is_the_brandy_cinderella_on_disney_plus.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/61ab5ead-6b19-459d-806b-a7fa8c17af44/34117576034.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/51e53f38-8501-4645-85d9-07b3da545621/17605153257.pdfIn PDF document text
  • https://s3.amazonaws.com/vufuzewasi/sample_reflection_paper_in_apa_format.pdfIn PDF document text
  • https://f8b2de7a-6012-4721-b8f1-df5267d6bb95.filesusr.com/ugd/8ebb60_77aa2d6c378c4a88ad0880b1267a60b6.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/74019fdf-cac0-4b1f-abaa-84726892552c/punidofekak.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bebc68ca-f1cb-45e4-aa42-f8f010ec474e/48381082444.pdfIn PDF document text
  • https://2d2b1dae-c014-4902-97e6-c3f1d56915cd.filesusr.com/ugd/70e5f7_1210085df26f47088b17342a5c75a089.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/76bfcaba-3eac-4fcf-9e8d-2e0305cf18c6/irobot_roomba_670_robotic_vacuum_cleaner.pdfIn PDF document text
  • https://521a9f5b-5c7e-4f25-a9e4-5446fb1b1975.filesusr.com/ugd/c1a494_b7126c917df74432897b22b65072424e.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/11ea90da-655f-4496-ba1e-fb4439fe048f/67291879725.pdfIn PDF document text
  • https://de315c38-daa2-4293-b666-e554ba9b7d65.filesusr.com/ugd/564d2e_1530ccb84b7d4d2f88fe7ac0cce9af5c.pdf?index=trueIn PDF document text
  • https://24a70dd4-b549-4b9e-9c0a-6eea45ab85ad.filesusr.com/ugd/ab0c63_998890ebbb2048abb180dcdde198e03b.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/2b0958c6-7c2c-4c25-b43b-72b8fc9bc324/tarewomewejalisagivavati.pdfIn PDF document text
  • https://s3.amazonaws.com/sejakopa/game_aquapark_io_mod_apk.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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