MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by a machine learning classifier and ClamAV, indicating a phishing or trojan threat. It contains a large number of embedded URLs, many of which point to compromised CMS upload storage or disposable hosting, suggesting a link farm designed to redirect users. The presence of these links and the overall structure strongly indicate an attempt to lure users to external, potentially malicious, sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://jikaramen.com/uploads/files/32464379485.pdf In PDF document text
- http://mexxeopaint.com/upload/files/jewatetelubosevavar.pdfIn PDF document text
- http://france-ex.com/images/blog/file/56936267850.pdfIn PDF document text
- http://mclarenquartz.in/ci/userfiles/files/vojabasafimilifir.pdfIn PDF document text
- http://trungnguyenjsc.vn/uploads/image/files/97953645472.pdfIn PDF document text
- https://typeone.com.my/ckfinder/userfiles/files/danokoxo.pdfIn PDF document text
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613f17d74330f---35242912816.pdfIn PDF document text
- https://bcbc3399.com/upload/files/53485646341.pdfIn PDF document text
- http://toyotarent.hk/FileData/ckfinder/files/20210912_5AF0FE2C2669281E.pdfIn PDF document text
- https://peterdegendt.be/file/wemipiwev.pdfIn PDF document text
- https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/09d558addb9cb0d1a2522a41f8fe89d9/rujaxurubir.pdfIn PDF document text
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/161338db470bd6---kulorasulekedotoro.pdfIn PDF document text
- http://thaimassageboy.com/ckfinder/userfiles/files/fesavezedabaguwe.pdfIn PDF document text
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/42b88b4b810d6a702d366d70cabccf69/gisabuzirivugolisete.pdfIn PDF document text
- http://stroyvodservice.ru/upload/File/saxude.pdfIn PDF document text
- http://viettelhaiphong.me/data/dulieu/files/90181744822.pdfIn PDF document text
- https://aprenda-atdi.com/uploads/files/70250150622.pdfIn PDF document text
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1613a085334aa2---13840882826.pdfIn PDF document text
- http://marine-inox.com/i/File/jewop.pdfIn PDF document text
- http://geobigoni.it/userfiles/files/69976382598.pdfIn PDF document text
- http://lejuriste.ru/files/file/gurabun.pdfIn PDF document text
- https://traiteur-troyes-mariage-buffet-aube-10.blaisot-traiteur.fr/ckfinder/userfiles/files/wesegelikemetagibixadowix.pdfIn PDF document text
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613aea0381d84---97685373751.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=game+theory+in+operation+research+pdfPDF 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_off0000c28b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC28B | 16072 bytes |
SHA-256: f1569a88d3129a742aeab9f0aa51751101db3486569e3ae6d6dc6f17fbd0808a |
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font_01_sfnt_off0000ebc1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBC1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000103d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103D8 | 10992 bytes |
SHA-256: a645c022e97bb3728bf96609095bcf4d35ec997e6ed34be54e638e5ecd3220df |
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