MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall 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.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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://pelibifir.ru/wix?keyword=after+school+programs+fall+2020 PDF link annotation
- http://medicinfo.online/procol_harum_homburg_piano_sheet_musicjk6rh.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4372076/normal_6055a9944f632.pdfIn PDF document text
- https://cdn.sqhk.co/navotezive/geneDig/snowball_fight_game_math.pdfIn PDF document text
- http://slimitalia.space/sijafazanavakawededekasol2c4f7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486036/normal_60552bc82e632.pdfIn PDF document text
- http://paxezimusosesa.scienceontheweb.net/what_does_the_bible_say_about_the_potter_house.pdfIn PDF document text
- https://cdn.sqhk.co/fowifabibu/igYT4HN/school_days_full_gameplay.pdfIn PDF document text
- http://shop-profildoors.ru/what_is_general_anesthesia_for_surgerylf677.pdfIn PDF document text
- http://helpverifybadges.com/weber_spirit_e_210_partskr9gd.pdfIn PDF document text
- http://nitanupemil.mygamesonline.org/vatomegumanenokakupir.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://a96990da-dd17-4b11-844c-aba2d588d1b6.filesusr.com/ugd/5e5e7b_aaf6272e07b247daab164e8d361ef34e.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e41bed2c-2190-444a-8d42-a6091508c99e/ap_chemistry_balancing_equations_worksheet_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/33ebdf19-1ae8-4c9d-a980-3ed6abdf9811/kanso_sound_processor_troubleshooting.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/99a9252f-c4d4-4105-b38f-ee05bc306e17/jewilas.pdfIn PDF document text
- https://7c3dd69e-6649-485e-b385-36acc2971cd6.filesusr.com/ugd/cf9ff1_0b61b72b5c6b455f901d87b7031dceae.pdf?index=trueIn PDF document text
- https://fac30f9c-1bc3-4ff6-ac40-7ced1d2a170b.filesusr.com/ugd/3b7182_cadf79fb89224d3d8a938fa86e25ffef.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/86caa1b3-67c3-4ed1-971e-447db04b8db5/the_secret_check_filled_out.pdfIn PDF document text
- http://xuvekixofeku.onlinewebshop.net/numerical_aptitude_test_questions_and_answers_free_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3c19f1b9-b385-474d-8f75-7d29d2b06a6c/python_write_string_variable_to_text_file.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010c0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C0B | 5328 bytes |
SHA-256: c8b7ba42ca1a429efc2fa024036b0fa650f51e9d276c5ce178c42867ad8215fc |
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font_01_sfnt_off00011e2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E2B | 10996 bytes |
SHA-256: 205507f7b7572174a527304f429b54b608e5c193f287809b145d46c1e0d44631 |
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font_02_sfnt_off0001439e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1439E | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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