MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains high-confidence heuristics indicating suspicious and invisible links to external domains, including one disguised as a PDF file. The ML classifier and ClamAV also flagged this file as malicious. The embedded URLs suggest a phishing or credential harvesting attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 6
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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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Image-heavy PDF with invisible link to suspicious domain high PDF_SUSPICIOUS_LINK_LUREPDF is a small image-heavy lure with invisible link annotations that send the user to a suspicious high-risk-domain URI. This matches credential-phishing carriers where the visible document is only a prompt and the real collection flow happens on the linked website.
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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://xajibur.ru/123?utm_term=linen+house+linen+sheets PDF link annotation
- http://sochi2026.com/32062049978ds1xc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416326/normal_60506fa56a7be.pdfIn PDF document text
- http://loginwithfb.site/blindspot_hidden_biases_of_good_peoplei3xgd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4449774/normal_6047519b6557c.pdfIn PDF document text
- http://siankaanmexico.com/you_are_the_universe_book_free_downloadnxcsp.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4464527/normal_5ffbf1b29badf.pdfIn PDF document text
- http://rifivejawix.22web.org/67400188581.pdfIn PDF document text
- http://jixusigelabewe.iblogger.org/how_to_set_call_forwarding_in_samsung_a30.pdfIn PDF document text
- http://fadopaduwovod.iblogger.org/24329680521.pdfIn PDF document text
- http://trickyturkey.com/xobogalavujakimopurunokdcb5h.pdfIn PDF document text
- https://cdn.sqhk.co/dasofuduveje/giivBhc/18430175876.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410976/normal_600b63ccc41bd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404528/normal_6038c42f9dddc.pdfIn PDF document text
- https://cdn.sqhk.co/vesagivara/CiicDct/zisukamorozibufoxixuv.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/b3ad51e8-82c8-4845-98e5-3d5b322d06a1/a_dream_deferred_by_langston_hughes_analysis.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/eedb2a32-50ef-419e-a1e9-5964d369b6e9/how_to_print_wireless_hp_officejet_4500.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3031216b-f144-4fa2-91e3-63b090e4d7ee/arctic_king_portable_air_conditioner_not_blowing_cold_air.pdfIn PDF document text
- https://s3.amazonaws.com/pevuwarobuvowa/sample_autopsy_report_gunshot.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/963fd074-d2fe-42bd-9977-b128de768e9e/calvinism_vs_arminianism_chart.pdfIn PDF document text
- http://xelemebimatof.epizy.com/19351549267.pdfIn PDF document text
- https://s3.amazonaws.com/biwubeleba/flashcards_template_tes.pdfIn PDF document text
- https://s3.amazonaws.com/divikufifir/automatsko_upravljanje_knjiga.pdfIn PDF document text
- https://s3.amazonaws.com/petikamov/52567397779.pdfIn PDF document text
- http://mivoxonewume.rf.gd/antnio_gramsci_livros.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_off00011f42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F42 | 4408 bytes |
SHA-256: a73f77af3c9eebc6d5350566461951bb1b5dbe7ce7b1868393751cef7f9c9224 |
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font_01_sfnt_off00012e40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E40 | 11444 bytes |
SHA-256: 488590ec13a412d86764b113877380d39e7cfb0761734bf9176cdbf4fc5d18e5 |
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