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-heavy PDF with invisible link to suspicious domain high PDF_SUSPICIOUS_LINK_LURE
  PDF is a small image-heavy lure with invisible link annotations that send the user to a suspicious high-risk-domain URI. This matches credential-phishing carriers where the visible document is only a prompt and the real collection flow happens on the linked website.
• 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://xezojetit.ru/wix?keyword=work+equilibrium+and+free+energy+pogil+answer+key+pdf PDF link annotation

  • http://netzamka.ru/lasker_s_manual_of_chess8g32w.pdfIn PDF document text
  • http://securitycheckingbrowservkcom.xyz/xexutalufebazilivikewajazq8iz3.pdfIn PDF document text
  • https://cdn.sqhk.co/nixagigad/hejghhg/advice_chat_rooms_free_no_registration.pdfIn PDF document text
  • http://onsideball.info/puxedipemageh0n5.pdfIn PDF document text
  • https://cdn.sqhk.co/vusutesilo/cHgfigP/15790766250.pdfIn PDF document text
  • http://komarovskii.xyz/ruger_lc9_lasermax_iwb_holsterd4obc.pdfIn PDF document text
  • https://cdn.sqhk.co/lebogomatoze/gcG3Pid/survival_maps_1._16._3.pdfIn PDF document text
  • http://lozhobelir.space/how_many_atoms_of_nitrogen_and_hydrogen_respectively_are_in_2nh3fmamx.pdfIn PDF document text
  • https://cdn.sqhk.co/mibemofega/AvQgibq/45207358624.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://73f4d879-981c-49fe-abc7-520f36a14a84.filesusr.com/ugd/b77b08_77b047caf728428aa24b723619e73b13.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/c4618854-35a9-4f50-99f6-12be224fc866/nuvipejagavawex.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c7be88f0-f92d-4a58-878f-2fd92e61cdfc/legawigivi.pdfIn PDF document text
  • https://6525eaf8-9a42-4119-9fb4-c3d475b3b78e.filesusr.com/ugd/80bfa9_d15c26a1a0994bd8a7def99c3d770f33.pdf?index=trueIn PDF document text
  • https://92fed17e-af34-466b-b3fe-38cd9ef27699.filesusr.com/ugd/192d58_7b8fcd91cbc24a878d9ad4acf2acff00.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/e1527f42-5415-4b71-b619-9a9d3930bb7d/gujuxagemuduw.pdfIn PDF document text
  • https://8c56b32b-3398-45d6-9c0b-b55146621f16.filesusr.com/ugd/6924eb_649faefb5e9a4c22b59bb6254ba3e9c2.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/561308fd-ac89-4b83-9911-0044f89f209a/international_bpo_interview_questions_and_answers_for_freshers.pdfIn PDF document text
  • https://170d08c7-2527-4f8e-8bc4-cf7f6ffab704.filesusr.com/ugd/afe24e_b230f17d1ba34f8ca7b79b5d8315c30e.pdf?index=trueIn PDF document text
  • https://d8acad56-eb9a-42d1-a06c-a695c5b02328.filesusr.com/ugd/0ad6c7_cf0e0b083a074415beece1e5172823c6.pdf?index=trueIn PDF document text
  • https://f9c81679-ddb1-4746-ab40-32673edc426c.filesusr.com/ugd/2eff39_a491b50c113f4f158fdc3175aa0f79f2.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/548bcd81-7877-4014-87be-14728ceb6fa9/87222183562.pdfIn PDF document text
  • https://5057b38b-f250-4925-a5fd-2dbc054a2c1f.filesusr.com/ugd/25ee37_67f1ba9731d445b2b1cdfcd67a620a0a.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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