MALICIOUS
246
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.007 JavaScript
The PDF file was flagged by multiple heuristics as malicious, including a critical finding for brand-impersonation credential phishing (Amazon). It contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to distribute malicious content or phish for credentials. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 7
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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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Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://nakabupibuf.weebly.com/uploads/1/3/4/6/134608610/joveluganudorurofo.pdf.
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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://jacksth.ru/wix?keyword=free+prayer+card+template+for+word PDF link annotation
- https://nakabupibuf.weebly.com/uploads/1/3/4/6/134608610/joveluganudorurofo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375356/normal_604d7e19c335f.pdfIn PDF document text
- https://wudujadulaneg.weebly.com/uploads/1/3/0/7/130738887/zetar.pdfIn PDF document text
- https://nojemalof.weebly.com/uploads/1/3/0/8/130873850/tupakogalot-nalatuwiselon-xuxiropisin.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4467955/normal_605316b1a0641.pdfIn PDF document text
- https://vogavova.weebly.com/uploads/1/3/1/6/131606390/f43cbfc72e1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370764/normal_6062078ce0777.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4407988/normal_5fe8240f47bb3.pdfIn PDF document text
- https://vujajewuriwox.weebly.com/uploads/1/3/5/3/135387523/pavogo_jemasitakunami_zikut_birakozuvamu.pdfIn PDF document text
- https://jizoneva.weebly.com/uploads/1/3/0/7/130738725/1449018.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4456999/normal_601181107d708.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://592908bf-dd96-48cc-88d9-ffebbdd10d84.filesusr.com/ugd/f34823_0f573d7fce8c4ff6a6d935433e9996dd.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/329611ec-2987-4f2f-aee0-23f975caf7ec/loveri.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/be480c3a-5202-4034-bb9b-d69389743668/milasuvapopizimovo.pdfIn PDF document text
- https://s3.amazonaws.com/wizuluworafid/65408126382.pdfIn PDF document text
- https://s3.amazonaws.com/midizaxopazeji/technic_launcher_crash_report.pdfIn PDF document text
- https://s3.amazonaws.com/davolazupivowi/jopumuwirozoroliga.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/566eeea8-1315-4954-931c-cf414d8ea0ef/tugewadigu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ab55ebed-6ca6-41ca-a254-e3aaad1fa317/cdr_data_analysis_software_free_download.pdfIn PDF document text
- https://d0fd53c2-66a5-49f7-a942-a4bfc50892a3.filesusr.com/ugd/11baf9_0881f9ec5a2b4452872bd0fabe219a63.pdf?index=trueIn PDF document text
- https://dedb376b-efc3-4528-ac10-fc65d12f866c.filesusr.com/ugd/5f6074_62eb066cda2448ea82ea3f5df16bef0b.pdf?index=trueIn PDF document text
- https://d38713d8-f9e0-49bf-8e72-3f46774ce551.filesusr.com/ugd/b3faf5_453d8761b13b4db2bbda32f02bd62651.pdf?index=trueIn 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_off0000ee3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE3D | 5272 bytes |
SHA-256: cbeb29ad987de2da087139204673499b387a1a8e7f5894ba899a603103219d44 |
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font_01_sfnt_off00010032.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10032 | 11640 bytes |
SHA-256: 7c989415f77be27bc60ac34151df9776f3f47361a1f870d5a2280436a25532ae |
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