MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, with several heuristics indicating it functions as a link farm. One notable finding is a link pointing to a compromised WordPress upload directory, suggesting a potential distribution point for further malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://malovanesklomh.cz/images/file/nejamonusowagifinote.pdf In PDF document text
- https://prawobrzeze.info/userfiles/file/mimogugotutapibe.pdfIn PDF document text
- http://kamienneogrody.com/userfiles/file/87636606007.pdfIn PDF document text
- http://budapesticukraszdak.hu/userfiles/files/gugope.pdfIn PDF document text
- http://soupworld.de/upload/file/62615594686.pdfIn PDF document text
- http://tvsatkrosno.pl/userfiles/file/zamunun.pdfIn PDF document text
- http://medicalproduct.hu/images/files/zudebivesabusoluwu.pdfIn PDF document text
- https://suacuacuontoanphat.com/upload/files/pusujuvoju.pdfIn PDF document text
- http://bjyhyy.cn/filespath/files/20210903074749.pdfIn PDF document text
- http://abwmercury.com/uploads/files/65921991030.pdfIn PDF document text
- http://to-tuong.com/media/ckfinder/files/dixukeniwenusiwixosex.pdfIn PDF document text
- http://dunajecbiala.pl/upload/File/1426206887.pdfIn PDF document text
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613a152c2f0dc---63155253045.pdfIn PDF document text
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/161341088c0d25---22166985056.pdfIn PDF document text
- http://cesnek-vysocina.cz/UserFiles/File/xojiwi.pdfIn PDF document text
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/161315173934df---84138505581.pdfIn PDF document text
- https://ntc-container.com/upload/files/69328874900.pdfIn PDF document text
- http://cukiernia.eu/upload/files/94349854145.pdfIn PDF document text
- https://profipreklady.cz/www/ckfinder/userfiles/files/dedov.pdfIn PDF document text
- https://hoongnau.com/upload/files/fofekisaxiz.pdfIn PDF document text
- http://akwarella.pl/user_uploads/file/43021116021.pdfIn PDF document text
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/d3pg66veujoqrfe5rk74n679q0/topawosazegemudelomosig.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=what+is+the+most+populated+continent+in+the+worldPDF 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_off0000e514.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE514 | 10956 bytes |
SHA-256: 4c8acd4718b0228ba084c587a3154d5bec6f67018289de91d26cc7ac356e6836 |
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font_01_sfnt_off0000fe58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE58 | 18724 bytes |
SHA-256: 026f5b344715d4d5a357fe19336c7a9086e6c564a76cf6aaa380f3be054fd5f9 |
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font_02_sfnt_off00012f23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F23 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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