MALICIOUS
224
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1204.002 User Execution: Malicious File
T1059.007 JavaScript
This PDF document is designed to trick users into installing remote support tools by masquerading as a BBC iPlayer Radio download. It contains numerous links, including a critical redirector to dafemum.ru, which is a strong indicator of malicious intent. The ML classifier and ClamAV detection further support its classification as malicious, likely a phishing or trojan delivery mechanism.
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Remote-support tool lure high SE_REMOTE_SUPPORT_LUREDocument instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
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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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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://dafemum.ru/123?utm_term=bbc+iplayer+radio++for+pc In PDF document text
- http://lozhobelir.space/mini_arador_de_terra_manuald0fyu.pdfIn PDF document text
- http://netopodimamo.mywebcommunity.org/overview_of_c_programming_language.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4450519/normal_6002c35e14091.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4476135/normal_602af431ced9e.pdfIn PDF document text
- http://jewlgems.com/outfoxed_documentary_fullg6be1.pdfIn PDF document text
- http://nalodorepuwag.getenjoyment.net/mosup.pdfIn PDF document text
- http://leon-stavki.info/adobe_flash_player_for_chrome_android_free_download6o6p6.pdfIn PDF document text
- http://bukuminuwakub.mypressonline.com/17268719000.pdfIn PDF document text
- http://cardioactiveufficiale.site/rivusugugduo3t.pdfIn PDF document text
- http://fastpeysistem.online/atomik_rungunjumpgun_apka4y40.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/a9d64f6b-5d7e-49c2-aa96-84a14bbcae58/21457647235.pdfIn PDF document text
- https://3c1efe6f-6e34-41bb-a2c4-2be85dd3cb33.filesusr.com/ugd/41f880_5e794105d1134775b41f52d08050e552.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/02918fc7-b6c8-442b-aebd-ec825b900db6/tobosujakasax.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/20a21ac5-e43c-4103-81ed-b3f3335c232c/way_of_the_world_summary_in_tamil.pdfIn PDF document text
- https://2a4c341d-9af7-4f89-b48a-1b926ad6ced7.filesusr.com/ugd/dd6616_5f95facf2ac04baf8b408993dd89e9e8.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/42a45138-5325-4668-b701-b026ce51ad91/ghosts_by_raina_telgemeier_main_characters.pdfIn PDF document text
- https://983c8978-ad56-435f-a988-47358aa6040c.filesusr.com/ugd/06a663_6bd5ab02bdc54f829810a932566d8404.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jixeremipet/white_christmas_background_free.pdfIn PDF document text
- https://ce2645ba-e89a-43d5-afff-5c0150757291.filesusr.com/ugd/c63dba_9cf23834b1b54073a60d301bd3e1ac9e.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/voropa/the_crown_netflix_series_season_4.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_off0000e9ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9AB | 5260 bytes |
SHA-256: c8ff9e710d86ba0c06a33bb16135808f6b72dfffd1ba4795dc3c7de54b25e469 |
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font_01_sfnt_off0000fba4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBA4 | 10976 bytes |
SHA-256: d29b0f5fd5a8dc5315fd54788400b1c5fe3cecbee57b76103a4d0bfcc8d25d9a |
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