MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous URLs pointing to potentially compromised websites or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of multiple external URIs and link farm heuristics strongly supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://synerhu.ru/uplcv?utm_term=spence+vs+garcia+live+stream+free PDF link annotation
- http://vasekurzy.cz/userfiles/file/40631678736.pdfIn PDF document text
- https://tjpapigroup3.com/contents/files/wazijivos.pdfIn PDF document text
- http://denge.aero/upload/files/weluwovamelik.pdfIn PDF document text
- http://pharmabiosolutions.com/filespath/files/20210901075042.pdfIn PDF document text
- http://fvv-hohenfelde.de/sites/default/files/files/refatagafinevigabu.pdfIn PDF document text
- http://avvocato-callegaro.it/public/file/sufefakutawefubilurivin.pdfIn PDF document text
- http://7seapharmtech.com/Uploadfiles/files/takefomawi.pdfIn PDF document text
- http://bibikid.ru/upload/55720104533.pdfIn PDF document text
- https://drhuanghair.com/uploads/files/202109092046185194.pdfIn PDF document text
- http://atomiccm.com/userfiles/files/kobebifezuposegaxat.pdfIn PDF document text
- http://mayinmaunhat.com/upload/files/momujusuvumokenalokaluj.pdfIn PDF document text
- http://tuvantindat.com/uploads/2021-09-08/images/files/wazomowogemunawoxaxido.pdfIn PDF document text
- http://ecogestval.com/userfiles/file/62685168473.pdfIn PDF document text
- http://iccjsc.com/images/uploads/files/pofisegetipivazoxutisa.pdfIn PDF document text
- http://gonzagafood.com/userfiles/files/kugezivevotew.pdfIn PDF document text
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/b616a4c5fa61c52411166561d915b423/nebijubafodimezenekomipox.pdfIn PDF document text
- http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613937a4767b6---pibowas.pdfIn PDF document text
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613984fbb76e3---60391616343.pdfIn PDF document text
- http://gzlmjx.com/data/home/bxu2343160066/htdocs/uploadfile/files/13409872099.pdfIn PDF document text
- https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/e3d2fc90e3cad25f42b09305c109f7f1/97472421035.pdfIn PDF document text
- http://brandnewgoods.net/userfiles/file/leruvesowaxejedozatesutow.pdfIn PDF document text
- https://saintarseny.ca/sites/saintarseny.ca/files/file/nisodexiwekenazajuki.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000df75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF75 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f78c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF78C | 10844 bytes |
SHA-256: b47774a7082bb72dc81d1b056ffd23946a6439628024af2b22bf4aced8376f16 |
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font_02_sfnt_off00011095.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11095 | 17476 bytes |
SHA-256: 13adda6b1799b6ea6fed1449dcc7564615d522e76241bd83008bfb53d547132a |
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