MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded links, with one specifically identified as a malicious redirector pointing to 'https://dafemum.ru/award?keyword=nhs+pension+opt+out+form+pdf'. The document body, though heavily obfuscated, suggests a lure related to 'nhs pension opt out form pdf'. The presence of numerous links on disposable hosting and the ML classifier's high confidence score indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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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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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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/award?keyword=nhs+pension+opt+out+form+pdf In PDF document text
- http://raxuzogigegekaj.66ghz.com/guidewire_testing_training_in_hyderabad.pdfIn PDF document text
- http://regvoolkim.website/widafugidekidarozx4xpk.pdfIn PDF document text
- http://zugosaxoma.iblogger.org/how_much_does_it_cost_to_install_a_procharger_kit.pdfIn PDF document text
- http://gefejisu.22web.org/dinesh_chemistry_class_9_free.pdfIn PDF document text
- http://wegisinebirixe.iblogger.org/the_house_of_bernarda_alba_themes.pdfIn PDF document text
- http://parrrtner.xyz/2005_ford_focus_manual_transmission_fluid8x891.pdfIn PDF document text
- http://hookup153.fun/40604130109383mm.pdfIn PDF document text
- http://snatural.space/xtreme_soaring_3d_2nixrc.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://lugegurofeso.epizy.com/bbm_delta_mod_apk.pdfIn PDF document text
- https://891dfe3a-8969-4df2-b253-5ccc4ebbb7a0.filesusr.com/ugd/e66789_6fa72c0d3264422ca08f68f103f8d481.pdf?index=trueIn PDF document text
- https://5a1138df-423b-4a5d-a7c7-36223740754e.filesusr.com/ugd/a72fa8_ba48d368af504c6397f57607ddd7a867.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/66cdb440-97fc-4ee1-85f5-9214af79fe8f/oxford_word_of_the_year_2020.pdfIn PDF document text
- https://3d7c42e8-cad9-4196-8f3c-0f210fd97588.filesusr.com/ugd/1b7c00_83b370b462134732937ddc1dce32de02.pdf?index=trueIn PDF document text
- https://d572dbd6-ec42-402e-884a-3db6daac2318.filesusr.com/ugd/6a558d_d8c3e5c5f6aa4d29a2a86fed61429710.pdf?index=trueIn PDF document text
- http://jidowadosul.epizy.com/6137152847.pdfIn PDF document text
- http://gidubivej.rf.gd/28433221006.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7693d02b-17be-49e3-bf25-046a222fcd5a/64292039108.pdfIn PDF document text
- https://469ee322-798e-4c1d-9571-af6764901f97.filesusr.com/ugd/57169b_7c5f9028b85349c2928b03e65791010e.pdf?index=trueIn PDF document text
- http://tanasebebibe.epizy.com/64950493414.pdfIn PDF document text
- http://mexesumofiruvaf.rf.gd/game_of_love_starlife_summary.pdfIn PDF document text
- http://zuluvegutadetu.epizy.com/burshat_ka_button_hd_video.pdfIn PDF document text
- http://wotalajo.epizy.com/fractions_worksheet_7th_grade.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f5bcad9c-51b9-4345-ad08-2879102013c3/muscle_building_exercises_at_home_no_equipment.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_off0000ef52.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF52 | 5008 bytes |
SHA-256: 0dd0bcb99f78ea78d3329a7839a15183ae7766d4c1be9ed03b8c62cde4e8ef6d |
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font_01_sfnt_off00010038.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10038 | 9888 bytes |
SHA-256: 79e1ab131c2f685c335ba6604bc695f95506eebeaa978161b2409a0ef4bd707a |
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