MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
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 0.9991
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://inwebjor.ru/pbw?utm_term=number+problems+worksheets+pdf PDF link annotation
- https://tevejokufip.weebly.com/uploads/1/3/0/9/130969131/3ca5256db2b8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381539/normal_605f3cbde1fd1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4449984/normal_600d08203c6b8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365560/normal_603bbfc6489c5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4501659/normal_6068c4a657cf5.pdfIn PDF document text
- https://rigitugatelimo.weebly.com/uploads/1/3/4/1/134131632/libanofadewifezito.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4454825/normal_5fc94d567fb5a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4483604/normal_6062a42c77734.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393197/normal_606adb733855c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4370275/normal_5fca4525ab028.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366024/normal_6014c554d2e32.pdfIn PDF document text
- https://zijunuriv.weebly.com/uploads/1/3/4/8/134892089/4187225.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://tekitejug.pbworks.com/f/47199790805.pdfIn PDF document text
- http://tusoxefum.pbworks.com/w/file/fetch/144461979/how_to_check_pregnancy_with_pregnancy_test.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/30d6263a-dd25-47e5-bcbb-aa6b3a473db9/vobabusigomenupawefogit.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9ae022e8-7d97-475e-8b4b-eebd1bb7585c/book_report_ideas_for_gifted_students.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/38655697-8c7e-4af4-b846-0e70b013a7dc/where_is_the_thermal_fuse_on_a_kenmore_gas_dryer.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6a749738-5fa3-43cd-bf5a-6f66fd382533/how_to_troubleshoot_a_ge_washer.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dcfe2af5-eb6a-4da1-b3f2-fe85fef9e346/excel_vba_connect_to_access_2016_database.pdfIn PDF document text
- http://bekiravetad.pbworks.com/w/file/fetch/144619659/what_is_abeka_preschool_curriculum.pdfIn PDF document text
- http://vowujepojez.pbworks.com/f/kim_milyoner_olmak_ister_indir_2019_sunucusu.pdfIn PDF document text
- http://xalomuzavege.pbworks.com/w/file/fetch/144431943/actividades_de_enfermeria_en_cuidados_inmediatos_del_recien_nacido.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4666a36a-3213-4f58-a791-85b19b8a730e/zolotoxojevukiga.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7f64b83f-a76f-4066-87bf-5653077c5c3d/37607556496.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_off0000e1ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1BA | 5336 bytes |
SHA-256: 4b276ddbaeb5fa46f5fb21bef47464e8379dab0d080a55de2e754e70127e741c |
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font_01_sfnt_off0000f3c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3C5 | 10960 bytes |
SHA-256: adaad2f74492e2321f470c3ef99c1026d0ebedf24b52c0e0ccf9bb11a16d2486 |
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