MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a link farm with numerous external URLs, many of which point to other PDF documents hosted on disposable domains. This behavior is indicative of a phishing or redirection campaign, likely intended to deliver malware or lead users to malicious content. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://nipisod.ru/strik?utm_term=como+fazer+resenha+cr%25C3%25ADtica+de+um+filme PDF link annotation
- https://cdn-cms.f-static.net/uploads/4492875/normal_604008eb89d28.pdfIn PDF document text
- https://putifetoz.weebly.com/uploads/1/3/7/5/137515519/947453.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4374682/normal_60037916f3ccb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4495841/normal_60318448a2769.pdfIn PDF document text
- https://giboritozi.weebly.com/uploads/1/3/1/3/131379296/837130.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4504554/normal_6021d11a28766.pdfIn PDF document text
- https://duzonaxur.weebly.com/uploads/1/3/4/0/134012347/subujifiw.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4459621/normal_5feb74c359da2.pdfIn PDF document text
- https://tivepikilusu.weebly.com/uploads/1/3/4/7/134759048/koluram_matojitufokurub_gemitilebiba.pdfIn PDF document text
- https://wuxinaruniluxod.weebly.com/uploads/1/3/4/8/134882591/5839935.pdfIn PDF document text
- https://tifegoguxefufi.weebly.com/uploads/1/3/1/6/131637953/5716680.pdfIn PDF document text
- https://joxunirefebemi.weebly.com/uploads/1/3/4/3/134319414/2042643.pdfIn PDF document text
- https://wonumajogo.weebly.com/uploads/1/3/1/3/131379434/kefexiju-sezatufivu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4501057/normal_604a140857c51.pdfIn PDF document text
- https://kabugumaka.weebly.com/uploads/1/3/6/0/136099465/4d7a3047f6e0.pdfIn PDF document text
- https://vufosaxirit.weebly.com/uploads/1/3/4/0/134018891/4fcdb.pdfIn PDF document text
- https://bododomeliba.weebly.com/uploads/1/3/1/4/131408614/dubinamud-gudomekotulo-losutivad.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4474997/normal_60013cffb82c9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416132/normal_6060044893b74.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4390330/normal_605c5c3747b32.pdfIn PDF document text
- https://pupinalakarer.weebly.com/uploads/1/3/4/2/134234580/delufinusujenuzet.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410694/normal_6009c8c104009.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off0001020a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1020A | 5272 bytes |
SHA-256: 2f9f593576af57d69460c9315a326cc5d48db033c5f0f90f35e38c7000421e53 |
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font_01_sfnt_off000113d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113D5 | 12812 bytes |
SHA-256: 36eef3812db2ff9f9f208a26a80a0981a542b963b3d1f6500ed406c7ca618c86 |
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