MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many hosted on disposable domains like weebly.com, designed to create a link farm. The embedded URLs and the heuristic firings, particularly 'PDF_SEO_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM', indicate a phishing or malicious redirection scheme disguised as a document download. The ML classifier and ClamAV detection further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://gimoguvi.ru/strik?utm_term=an+introduction+to+political+theory+pdf+download PDF link annotation
- https://toraboretopupu.weebly.com/uploads/1/3/4/7/134769369/tivopukup.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4411493/normal_600dff29118c3.pdfIn PDF document text
- https://nuguviroguzemek.weebly.com/uploads/1/3/1/0/131070089/985169.pdfIn PDF document text
- https://dizegixevovule.weebly.com/uploads/1/3/4/5/134576191/wumisabebujaba_kaxokisitava.pdfIn PDF document text
- https://xukejexen.weebly.com/uploads/1/3/4/4/134480318/5921914.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446773/normal_604ec4fa173c5.pdfIn PDF document text
- https://fobabunopana.weebly.com/uploads/1/3/0/9/130969757/vites-riboxamebo.pdfIn PDF document text
- https://jatevabuxises.weebly.com/uploads/1/3/5/3/135382810/3211867.pdfIn PDF document text
- https://mevamakokuvafas.weebly.com/uploads/1/3/4/0/134040887/2436327.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4473044/normal_604b4cbb7c853.pdfIn PDF document text
- https://vopumatibu.weebly.com/uploads/1/3/4/4/134402560/dcaa1bc71.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4495696/normal_5fd7134ea90e8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4411483/normal_60279c402decb.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4386086/normal_6003c4834598d.pdfIn PDF document text
- https://mabaxezo.weebly.com/uploads/1/3/4/7/134766945/7883680.pdfIn PDF document text
- https://buwigare.weebly.com/uploads/1/3/5/3/135308802/jasomemofafijugi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369782/normal_604b7141cce2c.pdfIn PDF document text
- https://gusujosu.weebly.com/uploads/1/3/0/7/130775940/19568.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/bupaxomu/47306838022.pdfIn PDF document text
- https://s3.amazonaws.com/webipejonavuv/2019_spring_snow_goose_migration_report.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_off0000d275.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD275 | 5248 bytes |
SHA-256: 4cd55f4c6ba309be5dc45362dcc1e4854b0f38ecc720d699ca874619235d58d8 |
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font_01_sfnt_off0000e463.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE463 | 10532 bytes |
SHA-256: 170886746269b14aaef6b69b6d3e869e9d90856caec1cb564dd6253b58a474d7 |
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