MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm with numerous URLs, several of which point to compromised WordPress upload directories or disposable hosting, indicating a potential distribution or phishing campaign. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://sicurezzaips.it/uploads/file/xumafowabadawodu.pdf In PDF document text
- https://xedulichhaiphong.vn/images/news/files/xixunigugetapi.pdfIn PDF document text
- http://dancephoto.ru/userfiles/files/wovajafegutobaka.pdfIn PDF document text
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613aea3abb28f---foxisejidifa.pdfIn PDF document text
- http://www.rannatennis.ee/data/upfiles/files/sukazofizediluja.pdfIn PDF document text
- http://fernandopelosini.it/userfiles/files/zapitakavoderukafigumus.pdfIn PDF document text
- https://peisheng.org/uploads/ckfiles/files/6133cb0d36b86.pdfIn PDF document text
- https://whitesal.com/data/images/file/6074_20210905145955.pdfIn PDF document text
- http://webinaris.biz/ckfinder/userfiles/publics/files/97974054189.pdfIn PDF document text
- http://alrabbancapital.com/file/files/32464866038.pdfIn PDF document text
- https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/18244419eb8e01d98eb7128edd725b47/zitamatizafimaloja.pdfIn PDF document text
- https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/29d919d601b587e6b6086ea1edb30c7c/33672946460.pdfIn PDF document text
- https://agrilaui.com/userfiles/file/55659355439.pdfIn PDF document text
- http://kommunikator.nu/demo/userfiles/file///girukijuvetazepebaris.pdfIn PDF document text
- http://vietkinggroup.com/uploads/userfiles/file/44275348121.pdfIn PDF document text
- https://livewireeventz.com/userfiles/file/59006316054.pdfIn PDF document text
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/aa5095feb82667c44113c8f30a84c5d9/57507972975.pdfIn PDF document text
- http://goang-hann.com/uploads/files/202109091530091872.pdfIn PDF document text
- http://dichvumucin.com/upload/ckupload/files/befulodavitogekadib.pdfIn PDF document text
- http://www.mariabeckmann.com/fotos/uploads/files/50033478163.pdfIn PDF document text
- https://webshopplus.nl/app/webroot/files/userfiles/files/bumuxopazaxewaro.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=skam+france+season+6+episode+1+english+subtitlesPDF 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_off0000ddc1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDC1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f5d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5D3 | 19212 bytes |
SHA-256: 4aa32155cd6b767b7b33cb8e74e049411df466687ebc7943f31733f1dafcb34f |
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font_02_sfnt_off000127bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127BF | 11696 bytes |
SHA-256: d5aa6bf0597aaa4580b885102c65c0806276faded645f0278eef33516cb643a6 |
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