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.
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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://fokemale.ru/award?keyword=important+synonyms+pdf+download PDF link annotation

  • https://kanigonule.weebly.com/uploads/1/3/4/0/134017023/nebuw-zefavelofiz-sufuvujoluxerur.pdfIn PDF document text
  • http://dizofuses.mypressonline.com/definition_of_marketing_communication.pdfIn PDF document text
  • http://zovitidagawas.sportsontheweb.net/kambikuttan_net_download.pdfIn PDF document text
  • http://zekifafeter.scienceontheweb.net/cambridge_checkpoint_english_workbook_8.pdfIn PDF document text
  • https://rurajutudap.weebly.com/uploads/1/3/1/4/131437622/4643836.pdfIn PDF document text
  • https://jasevumoxemu.weebly.com/uploads/1/3/4/7/134707335/xujawasigen.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/c8db0940-13b4-4bc8-8888-79902f63aadc/11258043039.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0e0d47df-60a8-4923-b622-d029d3b44266/how_to_use_oil_in_an_air_fryer.pdfIn PDF document text
  • https://e791dc30-71fd-4519-a75e-453748eb9c32.filesusr.com/ugd/8a5fcf_cc4f7ce7e1f143e6bdf46ccf5f0cd852.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/964f5663-933b-4a28-aeba-6061d1e9f145/30936287576.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ae47f753-037e-46e3-b3c9-712363dab1b3/what_is_fire_and_blood_about.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e2bb58e8-c209-4fb2-9b83-67343f87623e/vabisosorakuvagep.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1688b681-e379-481d-b5b1-8618eed338f5/78907510458.pdfIn PDF document text
  • https://s3.amazonaws.com/dixaleko/how_to_pair_two_echo_dot.pdfIn PDF document text
  • http://newemepakirid.myartsonline.com/sipefikumojovalaxejuj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bac26391-812f-4f3b-beef-d5870cdffdb7/fix_boot_cmd_access_denied.pdfIn PDF document text
  • https://s3.amazonaws.com/dejazuvorira/google_drive_sign_in_sheet.pdfIn PDF document text
  • https://206c1dc7-391c-4b20-ac64-b63c97020fd4.filesusr.com/ugd/87773f_72e4fe9552c348418ad29412b2c456e4.pdf?index=trueIn macro / runtime command snippet
  • https://s3.amazonaws.com/bededuxotulapil/94566871476.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/83637780-59e8-4744-8c14-c5a055532d4d/resevaralujajaxajugetu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fc6648c4-9f28-48fc-8dfb-bb5444277d4e/28187507645.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b530ce4d-e0bd-47c1-b161-b83e53412d6f/evaluative_reading_comprehension_test_with_answers.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
  • https://s3.amazonaws.com/dejazuvorira/In macro / runtime command snippet
  • http://scripts.sil.org/OFLIn PDF document text

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