MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by multiple heuristics, including a high-confidence ML classifier and ClamAV detection, indicating malicious intent. The presence of numerous external URIs, many pointing to potentially disposable hosting, suggests a link farm or phishing operation. The document body, though heavily obfuscated, contains metadata related to PDF creation and a keyword that might be part of a lure. The primary attack pattern involves directing users to external URLs, likely for credential harvesting or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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 http://olymp-trade.top/dbrau_date_sheet_2019_msci4gbw.pdf In PDF document text
- http://tortomsk.ru/how_to_write_a_copywriting_quotehlskg.pdfIn PDF document text
- http://profapp.pro/ninijadajovejibofabikixowdlng7.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4409110/normal_5fe1b0911cba7.pdfIn PDF document text
- http://xuxetosufuzo.getenjoyment.net/reflective_symmetry_worksheets.pdfIn PDF document text
- http://heretythere.site/jivapigafizijuzasakolediri02u.pdfIn PDF document text
- https://cdn.sqhk.co/sikibeve/sjihB7j/on_my_own_song_ross_lynch_lyrics.pdfIn PDF document text
- https://cdn.sqhk.co/jimumakevaji/geCgfYg/offroad_truck_simulator_mod_apk.pdfIn PDF document text
- http://midarujiwuvi.mygamesonline.org/manly_p_hall_secret_teachings_of_all_ages_readers_edition.pdfIn PDF document text
- https://cdn.sqhk.co/devisojop/ighldGh/baby_growth_chart.pdfIn PDF document text
- https://cdn.sqhk.co/gitesafuwu/gjbhcji/developing_management_skills_3rd_edition.pdfIn PDF document text
- http://livecopyrightverification.com/1998_harley_softail_service_manualn7hxh.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413368/normal_605846a28817f.pdfIn PDF document text
- http://goladelexugezi.sportsontheweb.net/jokunudizowige.pdfIn PDF document text
- http://nupesupo.mypressonline.com/mass_effect_2_manual_xbox_360.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://feedproxy.google.com/~r/wb/ENAH/~3/4NO0L8wlyOA/wb?keyword=hp%20pavilion%20dv6%202155dx%20cpu%20upgradePDF link annotation
- https://b66a6cc6-7028-4fd7-9d19-084b2b27c535.filesusr.com/ugd/4015cf_f4b7c4c648d74985b8c6e83e54a5af07.pdf?index=trueIn PDF document text
- https://6525eaf8-9a42-4119-9fb4-c3d475b3b78e.filesusr.com/ugd/80bfa9_789f48b8dec046d89a14fc07621186a9.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tajimipojimo/what_is_florida_law_on_car_seats.pdfIn PDF document text
- https://s3.amazonaws.com/tufitijinexu/puxegirarufogaxexilupabi.pdfIn PDF document text
- https://0f8fedcd-12c0-4678-86f8-e2bff7269121.filesusr.com/ugd/70e7d4_9089a8142d184624860eab34a684b2ba.pdf?index=trueIn PDF document text
- https://65d0a56f-4074-4e8f-9acc-29e6f8e8f663.filesusr.com/ugd/37655d_22a8ad20e05d44c3ae006e3a50f5b9e2.pdf?index=trueIn PDF document text
- https://7ef5d8b8-74ac-4e0a-b0a0-fa61ca6462a8.filesusr.com/ugd/23e9be_2a69e9a642b748c9b0bcfbb327d20564.pdf?index=trueIn PDF document text
- http://bemabam.myartsonline.com/devixatuzojekaritukesopo.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010aea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AEA | 5612 bytes |
SHA-256: 2a297cb54e3e60622161e0dc829429273ee3fdcccf6b2e52d4ec30bbe3c8f5d7 |
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font_01_sfnt_off00011e24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E24 | 11200 bytes |
SHA-256: a4fd0506def0b04c2195900d081b6b37879ebef1e0f05ef70350672e4978549c |
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