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://midufefew.ru/123?utm_term=lesson+3+measures+of+relative+standing PDF link annotation
- http://sosiwawivijomo.scienceontheweb.net/76796588953.pdfIn PDF document text
- https://cdn.sqhk.co/monasomeb/scgirgd/bubble_pop_origin_puzzle_game_download.pdfIn PDF document text
- https://cdn.sqhk.co/motakolilo/wlifijv/viwebixibuwizuzizo.pdfIn PDF document text
- https://cdn.sqhk.co/gipudeviwapi/jjJcjhM/blossom_crush_flower_match_3.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4469128/normal_5ffe452f39ce3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490128/normal_602cd9425b9a4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486061/normal_601e10f3f06a7.pdfIn PDF document text
- https://cdn.sqhk.co/gadewekunel/jhuhfia/gotozokinomojiserika.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4474170/normal_6005f90c6bdd3.pdfIn PDF document text
- http://gadetebes.sportsontheweb.net/56954357134.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382194/normal_5fd7f041d6c7c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4460066/normal_6007305facc9c.pdfIn PDF document text
- http://xosubowavenu.mypressonline.com/costco_kirkland_signature_9.0_hearing_aids_review.pdfIn PDF document text
- https://cdn.sqhk.co/nexupumile/Ke3YigB/libufewoxowitikefeson.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4391317/normal_601097697a1ab.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/9ab084f6-b091-4e7f-8aea-55fe3c93cc6d/jatetixepeviruwig.pdfIn PDF document text
- http://litorow.myartsonline.com/38393037345.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/24743fe6-e50e-4c0a-91f2-120c778f6494/kigapid.pdfIn PDF document text
- https://59cf682b-6680-4a08-8b8d-0472bab64ef7.filesusr.com/ugd/d7d6cd_0b49d44f26b44fd9b628576ff95dc896.pdf?index=trueIn PDF document text
- https://39c3e2ba-dcb8-4bc0-9ed7-0058f02c59d5.filesusr.com/ugd/fd4c29_cdc854c7bb87415c965370cd2711bb7b.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/4b1f8e8d-a0e3-4f5f-8838-fc4d7f84dfce/diablo_3_necro_leveling_build.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0d7c6cf5-89c2-456a-b201-e2bf8be05315/actividades_matematicas_para_segundo_grado_primaria.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4b548524-953d-422a-9752-4451b9ea609d/trigonometric_identities_class_10.pdfIn PDF document text
- http://segimoto.myartsonline.com/sesalimavam.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_off0000e996.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE996 | 5392 bytes |
SHA-256: 666ec7c33b20b9df8c9ee264341e96b6f9a6e120fbb318602622236e9a7d7288 |
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font_01_sfnt_off0000fbe2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBE2 | 11108 bytes |
SHA-256: 36ac49930112dbd548c335730420c6aa41508dc5ad242240128805583a313891 |
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