MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to compromised websites or disposable hosting, suggesting it functions as a link farm. The primary goal appears to be directing users to external, potentially malicious, resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://abaj.cz/UserFiles/File/98303315005.pdf In PDF document text
- http://superazs.ru/images/news/file/nisirowojivugep.pdfIn PDF document text
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085482775a18---7038168932.pdfIn PDF document text
- https://tcremich.lu/files/files/zosenafuv.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e97487e7c20---newedikuxenitixud.pdfIn PDF document text
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c74e9b1000---93227484946.pdfIn PDF document text
- http://szsahsh.com/uploads/files/61564989248.pdfIn PDF document text
- https://economiadecomunion.com/ckfinder/userfiles/files/womugaluxupatajopojas.pdfIn PDF document text
- https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16074bcb5c5006---xemakejadowimuv.pdfIn PDF document text
- https://siam-royal-view.ru/data/files/77461691574.pdfIn PDF document text
- http://sequirk.ie/userfiles/file/botamazepexuf.pdfIn PDF document text
- http://fd-health.com/upload/ckeditor/files/nerixifegujajo.pdfIn PDF document text
- http://md-servicios.com/userfiles/file/72807659476.pdfIn PDF document text
- http://www.reenactmentmarket.eu/images/wyswig_images/file/96659247937.pdfIn PDF document text
- http://lbhodgereunion.com/clients/3/38/38e1f81cb1ac74d12d86c8ba87866b9f/File/86385728064.pdfIn PDF document text
- https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/kjpq1b4k9d3bc6gr6qm5oavbgk/72945930492.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/vmbhqj8p3rg913hcobfbl7rv5l/27359208434.pdfIn PDF document text
- http://brukbet.com/user_images/file/91698605096.pdfIn PDF document text
- https://emilline.dk/ckfinder/userfiles/files/pamizavigosepudenoji.pdfIn PDF document text
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/e35d1a88bedc2e2347f31c468890afb2/34846025464.pdfIn PDF document text
- http://nsdadventist.org/FCKData/file/tenobenokusadufijinujuta.pdfIn PDF document text
- https://grandplaza.bg/uploads/assets/file/bapotowogoj.pdfIn PDF document text
- https://grdr.org/paidel/ckfinder/userfiles/files/wovarifikumuvixoji.pdfIn PDF document text
- http://hoilhpnqbthanh.com/upload/file/14818940223.pdfIn PDF document text
- http://hungthanhauto.com/luutru/files/66118619042.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=livros+apocrifos+em+pdf+gratisPDF 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_off0000e807.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE807 | 10836 bytes |
SHA-256: 89073d3eea74ec0761e6ad9baa8783dd6c625b40095de35f0be9505d159c5694 |
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font_01_sfnt_off000100ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100EF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011901.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11901 | 20572 bytes |
SHA-256: 8d808cc1966197168118133dd0a185278583c0e00269af599682e6ff7217fe96 |
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