MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
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 0.9995
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 https://crophysi.ru/strik?utm_term=ejercicios+de+estad%25C3%25ADstica+para+ni%25C3%25B1os+de+quinto+de+primaria PDF link annotation
- https://cdn-cms.f-static.net/uploads/4455207/normal_60461bb0954ba.pdfIn PDF document text
- https://wunovolal.weebly.com/uploads/1/3/5/3/135311751/foredabu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4391308/normal_6032b70736b28.pdfIn PDF document text
- https://pelefazefipaguj.weebly.com/uploads/1/3/4/8/134892892/670393.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373261/normal_600f4e0329b10.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366050/normal_60128f080f26f.pdfIn PDF document text
- https://lariwajiko.weebly.com/uploads/1/3/4/3/134316624/zefamepefafedijir.pdfIn PDF document text
- http://goxalajiwon.22web.org/gikafapagepabuxokus.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379491/normal_600ca302b3a7d.pdfIn PDF document text
- http://pavaverijakat.iblogger.org/48419461460.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://zunuwovadete.epizy.com/gift_of_the_magi_questions_multiple_choice.pdfIn PDF document text
- https://e26dc784-fa46-4601-9f6d-57686faaf216.filesusr.com/ugd/c66525_b0ece6aafe734eac9301c32944839cbd.pdf?index=trueIn PDF document text
- http://buluperase.epizy.com/jimmy_d_psalmist_consuming_fire_lyrics.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/75fe0764-6b32-4d47-b078-73f72cbf73f7/epson_m244a_printer.pdfIn PDF document text
- https://s3.amazonaws.com/novipaliwid/56645034603.pdfIn PDF document text
- https://bb55feb6-a0c4-48ae-8f72-aea2c45912f8.filesusr.com/ugd/b9801a_c1779cfc3a1641958950b406e5168dd9.pdf?index=trueIn PDF document text
- http://wokanulobasanek.epizy.com/sat_test_dates_charleston_sc.pdfIn PDF document text
- https://01c19f78-c7d0-441a-b56a-8672493f87de.filesusr.com/ugd/9d66c7_df2fb8fb094a4c078087aa6cd9e37bf8.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/gidibesuxi/little_einstein_jumper_weight_limit.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/144b42a4-ede0-4e41-a845-eed2675ef7df/6171089949.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/71df535b-8640-4605-a431-54a1e14f1cff/how_to_work_celestron_astromaster_114.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e75a7a3c-e27c-43fb-884d-864cce9b4070/sipopigubofunidukaduruxu.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_off0000e8a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8A3 | 5612 bytes |
SHA-256: 9ab2e9524de31718feb2f8c754e14116bfcaf2592a6d85d6fcafb6c4e59dea4c |
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font_01_sfnt_off0000fb69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB69 | 12232 bytes |
SHA-256: fe146aefb4d317d0bc9332565d567567383d4303e814f405bab47db6e249dc97 |
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