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 that point to compromised websites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall structure indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://pistant.ru/uplcv?utm_term=lcd+tester+android PDF link annotation
- https://xo-sound.ru/userfiles/file/36608316679.pdfIn PDF document text
- https://asi-filter.pl/files/file/pawopafekufisuzegafopibu.pdfIn PDF document text
- http://telesson.net/_UploadFile/Images/file/sitofepeb.pdfIn PDF document text
- http://quartierdete.fr/uploads/fckeditor/file/91244858689.pdfIn PDF document text
- https://franchiseharbor.com/files/files/zifusoladitagaxagor.pdfIn PDF document text
- https://amatnieks.lv/pictures/image/loduregab.pdfIn PDF document text
- http://hanyangsteel.com/files/fckeditor/file/132933932561397e7e67060.pdfIn PDF document text
- http://storemisr.com/uploads/files/51603154645.pdfIn PDF document text
- https://inprovitperu.com/ckfinder/userfiles/files/nemefabozojawewatotufa.pdfIn PDF document text
- http://salamino.pl/userfiles/file/xerimepimupibega.pdfIn PDF document text
- http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613d4724cc9b7---19101398492.pdfIn PDF document text
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/161321d4c24e4b---62930062884.pdfIn PDF document text
- https://activsport.ro/userfiles/file/worinajimibewumeko.pdfIn PDF document text
- http://supair-lux.hu/ckfinder/userfiles/files/tezumuferaz.pdfIn PDF document text
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614032d3e2a04---14235747669.pdfIn PDF document text
- https://cokhivietuc.com/img-vietuc/files/finonerebi.pdfIn PDF document text
- http://wonderful-foods.net/userfiles/file/jolazusokuxudulobiposani.pdfIn PDF document text
- http://rydelko.pl/userfiles/file/23538874320.pdfIn PDF document text
- https://vialivonica.eu/userfiles/files/75823520113.pdfIn PDF document text
- https://armagedonspedycja.pl/files/file/83386226178.pdfIn PDF document text
- https://wyslijpaczki.pl/app/webroot/files/userfiles/file/84389311419.pdfIn PDF document text
- https://dalnoboy.com/data/filestorage/upload/files/91169355268.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_off0000b249.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB249 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ca5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA5B | 14336 bytes |
SHA-256: 40eb515ad68ad721c107f3451a44bd5cdf7fac82dc1858b098a71a3cec82fc38 |
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font_02_sfnt_off0000ee5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE5D | 10272 bytes |
SHA-256: 744827f0bd1cb5168a4e2cecb6b91cb74d0c4a65658bbfb69cbb0155804c08fe |
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