MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged as malicious by a machine learning classifier and ClamAV. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a phishing or malware distribution scheme. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics indicates a deliberate effort to obscure the final destination or leverage compromised infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://darkoyunpin.com/calisma2/files/uploads/vujimuxajedetup.pdf In PDF document text
- http://massarentearchitettura.com/userfiles/files/68441207085.pdfIn PDF document text
- http://duda-tech.pl/dudatech/upload/file/94772455045.pdfIn PDF document text
- https://aneri12.eu/res/file/50939820436.pdfIn PDF document text
- http://osc-pribor.ru/products_pictures/file/61067290222.pdfIn PDF document text
- https://www.vedaaz.com/wp-content/plugins/super-forms/uploads/php/files/e7939bcd73b2e731d029af38d21c5ed4/latozopemaw.pdfIn PDF document text
- http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dfb1cd5171---fejipe.pdfIn PDF document text
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160731c376d95e---nisigawixomoki.pdfIn PDF document text
- http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b217a9c351---80836882244.pdfIn PDF document text
- https://rlvanstory.com/wp-content/plugins/super-forms/uploads/php/files/b1aa46f47ec5be972aab79cd6421cb8e/nasobejuvulirixopupaki.pdfIn PDF document text
- https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/0i5evdn26cgrdtqjv4upv7nc0l/butotatutoguba.pdfIn PDF document text
- http://marta-galan.com/files/varios/file/62467766804.pdfIn PDF document text
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609425d275d51---sukotimiwinufefoparujilof.pdfIn PDF document text
- http://gardatrans.com/content/Files/desomozi.pdfIn PDF document text
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/160777f3eaf3e9---83860267112.pdfIn PDF document text
- http://mcutech.net/upload/2021/06/file/1623609327389900672.pdfIn PDF document text
- https://trotusgrup.ro/ckfinder/userfiles/files/wozipezilezekuteti.pdfIn PDF document text
- http://vantaidongsaigon.com/uploads/files/gasuwokib.pdfIn PDF document text
- https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/327b0f61536176069aaacf4cd026828c/57155561899.pdfIn PDF document text
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a6db21e1c7a---niporenajabegeki.pdfIn PDF document text
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e86c9b0f835---46689895413.pdfIn PDF document text
- http://technoculture.cz/admin/upload/file/vuxokutul.pdfIn PDF document text
- http://zhengfutz.com/v15/Upload/file/202181181167361.pdfIn PDF document text
- https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081203607803---wupufaxuxazamojulikarulot.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=gate+2020+eligibility+certificate+pdf+downloadPDF link annotation
- 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_off0000f5cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5CF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010de6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DE6 | 11248 bytes |
SHA-256: 7ef030a3ded6f2081504aad07263df560d30fb57b7f71837b79017d0991fee6e |
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font_02_sfnt_off0001281c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1281C | 19332 bytes |
SHA-256: 5f8d67590b4ff8e84f9072baf785e1eb1c2ab98f3ed79ccb21757143a5acfb92 |
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