MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It contains numerous embedded URLs, many of which point to potentially compromised or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of a link to a compromised WordPress upload storage further supports this. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 http://grandviewcommunity.com/userimages/1161671004.pdf In PDF document text
- https://fiberglasssupplydepot.com/userfiles/files/lowoxesube.pdfIn PDF document text
- http://cppzone.ru/users/blogs/file/kelubaxuxudufuzasubopo.pdfIn PDF document text
- https://zohopin.com/calisma2/files/uploads/nupunonebogogafiwizanadux.pdfIn PDF document text
- https://dailyhondaotomientay.com/upload/files/73136513971.pdfIn PDF document text
- https://hopadive.cz/ckfinder/userfiles/files/jinuronegobibudumasor.pdfIn PDF document text
- https://barrier.exma.cl/ckfinder/userfiles/files/talariwelega.pdfIn PDF document text
- http://maquinandoysubastando.com/dleyes/admin/fotos/file/sarokawirikulezixew.pdfIn PDF document text
- http://sxcec.org/userfiles/file/68727529380.pdfIn PDF document text
- http://shijijiaming.net/filespath/files/20210914092804.pdfIn PDF document text
- http://solarwindependence.com/ckfinder/userfiles/files/pepadogitipivexibisomerir.pdfIn PDF document text
- https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/3abcadf71b9255d4996384bf55d5c49f/43236864024.pdfIn PDF document text
- http://tevukasveza.lt/ckfinder/userfiles/files/wigadugotaraziburo.pdfIn PDF document text
- https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/d165de7bcd011b86734975a49101777e/mirilazaruwifut.pdfIn PDF document text
- http://myepres.com/HotelEstimator/userfiles/file/tebezisudowufanezuvozasid.pdfIn PDF document text
- http://avtrak.ru/ckfinder/userfiles/files/41190439780.pdfIn PDF document text
- http://dangkykinhdoanhkiengiang.com/upload/ck/files/45802419967.pdfIn PDF document text
- http://master-vin.ru/files/file/7484404231.pdfIn PDF document text
- http://geerhannutpourreussir.be/docs/upload/files/51512067233.pdfIn PDF document text
- http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161329d4e3d2bf---94147804730.pdfIn PDF document text
- https://tomclarkvoiceovers.com/userfiles/files/57207639268.pdfIn PDF document text
- http://elard-group.com/ckfinder/userfiles/files/junimebuzu.pdfIn PDF document text
- https://currenwatch.myhost360.cn/file/upload/files/09-02-15-19-30-24.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=euro+truck+evolution+mod+apk+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_off0000be3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE3F | 16452 bytes |
SHA-256: e39f6aa0ecc40ff92b0c014f8197c353fca28e1643929cf4827c639d6c7b471a |
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font_01_sfnt_off0000e87b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE87B | 10832 bytes |
SHA-256: ccca907a261d281557ba105d4ed60fa16d44ce715900b241ecef0194f089f5a4 |
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font_02_sfnt_off0001017c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1017C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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