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
• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• 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.
• 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
• 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://crophysi.ru/strik?utm_term=first+grade+writing+worksheets+free In PDF document text

  • https://cdn.sqhk.co/vitimosugu/9ifGihW/edf_gas_meter_reading_calculator.pdfIn PDF document text
  • https://cdn.sqhk.co/mowanideju/gbegfhf/the_crossing_chinese_movie_part_2.pdfIn PDF document text
  • http://evatopshop.xyz/my_book_of_memories_by_frederick_holbrookf8s0d.pdfIn PDF document text
  • http://easterthjg.com/am_i_a_transactional_or_transformational_leaderxhjbp.pdfIn PDF document text
  • https://cdn.sqhk.co/suxupijisajo/ihhEjh3/blastula_formation_in_frog.pdfIn PDF document text
  • https://cdn.sqhk.co/baxewoxevum/sifjhgd/really_make_virtually_create_pottery_ceramic_arts.pdfIn PDF document text
  • https://cdn.sqhk.co/ferobisuw/djhYggZ/60323350573.pdfIn PDF document text
  • https://cdn.sqhk.co/vamosopon/i2ij1hc/lopud.pdfIn PDF document text
  • https://cdn.sqhk.co/mamevugixej/ihxNnsI/football_coaching_drills_for_7_year_olds_uk.pdfIn PDF document text
  • https://cdn.sqhk.co/tunuravaxoxi/2VUU5HY/20316673523.pdfIn PDF document text
  • https://cdn.sqhk.co/daxutoxod/gjbvtgc/jawunobidakav.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/dc521fd3-1643-4cc7-bc69-c5edfdd84903/funegaduboselaz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dcae7334-8233-4849-86c8-785a17666d88/philosophy_of_time_travel_real_book.pdfIn PDF document text
  • https://968bac2e-1409-45a7-bd11-2c37eba47390.filesusr.com/ugd/c81504_b824cdbf0cd243d1b57b9d07ae311fc2.pdf?index=trueIn PDF document text
  • https://04934832-22f3-474e-96de-b9d593e92251.filesusr.com/ugd/f390e7_6d88cc26a19e4c5bb138a8f1727a8cff.pdf?index=trueIn PDF document text
  • https://f84ffea9-2755-49c2-9cb5-47ca8b55fe65.filesusr.com/ugd/0adedf_c4e1fa2da8944eba859e67d3ad6c6512.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/3e69a72e-1862-4bb4-88b1-00cb1e5ece6c/how_to_cook_a_whole_chicken_in_my_power_pressure_cooker_xl.pdfIn PDF document text
  • https://f200304d-316b-45a9-b05c-680123ec6d1a.filesusr.com/ugd/aad1a2_cf3144727e394a9f96f43d0a962c21fd.pdf?index=trueIn PDF document text
  • https://d6504552-49b0-4b7d-b1ff-94f9e1082b83.filesusr.com/ugd/1f0558_88daf5c46ead417daf1b5bd093691b0f.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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