MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many pointing to compromised WordPress sites or disposable hosting, indicative of a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://catamma.ru/uplcv?utm_term=cheat+on+traffic+rider PDF link annotation
- http://safiorida.dk/operatori/userfiles/file/83193831235.pdfIn PDF document text
- https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/c9ad3bc9a6dd3f5a9e7f625c14be1481/mekalezugu.pdfIn PDF document text
- http://phucuongplus.com/upload/files/pijanelopi.pdfIn PDF document text
- http://dydlhx.com/upfiles/file///sawefivakokujijibero.pdfIn PDF document text
- http://dochoiotovn.com/uploads/userfiles/file/645324385.pdfIn PDF document text
- http://obkladacstvikolar.com/content/gikifipativodo.pdfIn PDF document text
- http://wedooverseas.com/userfiles/file/linirakekegitese.pdfIn PDF document text
- https://himalayanthailand.com/image/upload/File/vugebejafe.pdfIn PDF document text
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131c85191fad---90359986248.pdfIn PDF document text
- http://boras-sjuharad.boj.se/uploads/userfiles/files/54543028148.pdfIn PDF document text
- https://webshopplus.nl/app/webroot/files/userfiles/files/42711604409.pdfIn PDF document text
- http://netinflux.net/userfiles/file/janubexemaxugufebef.pdfIn PDF document text
- http://pro-group.ru/userfiles/file/73773819022.pdfIn PDF document text
- https://www.la-melodie-des-saveurs.fr/ckfinder/userfiles/files/luzodesofa.pdfIn PDF document text
- http://khangvietdn.com/uploads/file/58753339773.pdfIn PDF document text
- http://bellamy.tw/uploads/files/202109160624154960.pdfIn PDF document text
- http://fcgo.tw/uploadpic/files/29765289471.pdfIn PDF document text
- http://regimhotelierbucuresti.com/images/userfiles/17730488415.pdfIn PDF document text
- http://prinsart.ro/uploads/files/vevirafejen.pdfIn PDF document text
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133982f49095---10275788290.pdfIn PDF document text
- https://lanna-flyingclub.com/ckfinder/userfiles/files/7569475555.pdfIn PDF document text
- http://keifo.ru/ckfinder/userfiles/files/fibotimaminexegisosoluf.pdfIn PDF document text
- http://obedovice.cz/userfiles/file/38756973482.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_off0000e2f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2F4 | 10392 bytes |
SHA-256: 8af620f548331fd3304c2fa251cff7269785889bd8cd9b8c05baa3f77c4df284 |
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font_01_sfnt_off0000fa66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA66 | 17476 bytes |
SHA-256: 4e9a5e041411e7707a2f7fc3a1be4bbead2d6c0a394079870aaaf2845d28b3cf |
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font_02_sfnt_off0001282c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1282C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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