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 ML classifier and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised CMS uploads and disposable hosting, suggesting it functions as a link farm to distribute further malicious content or phish users. The presence of embedded URLs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://moorheadhigh1970.com/clients/c/c3/c3beaea4c2dff0dfe15f0c96d12524a1/File/94586947906.pdf In PDF document text
- http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a1a990b1c4f---70072692643.pdfIn PDF document text
- https://big-cash.de/wp-content/plugins/super-forms/uploads/php/files/5ar9l45c0nu7veppqgnvvpqvef/refax.pdfIn PDF document text
- https://geneolock.com/locktactyuma/userfiles/file/24411883858.pdfIn PDF document text
- http://doanekeyes.com/userfiles/docs/sidudi.pdfIn PDF document text
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d331539e84---2850559704.pdfIn PDF document text
- http://tianlanip.com/filespath/files/20210830201604.pdfIn PDF document text
- http://www.ecvbrass.ch/user/web/file/nuxan.pdfIn PDF document text
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/vpcv8rgchphql94ddn4lmc2a5a/vivaz.pdfIn PDF document text
- https://papiratisk.cz/soubory/57793273618.pdfIn PDF document text
- https://www.varishastalari.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072e23396841---jepusuka.pdfIn PDF document text
- http://studioarchperissinotto.eu/userfiles/files/fepugosabiwa.pdfIn PDF document text
- http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a5aec1be30a---karunasoxiwow.pdfIn PDF document text
- http://paillasse.hu/userfiles/file/4312500039.pdfIn PDF document text
- https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/83803abbe22e590d9f9f4f2f82bf1f0f/nojekomalavunotubiwosibe.pdfIn PDF document text
- https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1607d160bceb5f---60869690248.pdfIn PDF document text
- http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613026ba1aec6---39288459133.pdfIn PDF document text
- http://refpecsbelvaros.hu/kepek/files/1612566840.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c037638e145---16107468944.pdfIn PDF document text
- https://adepotcustom.com/UploadFiles/file/20210430215409175.pdfIn PDF document text
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/d55fsb9f3714t0js6vlid1lih5/tekodozazatugegako.pdfIn PDF document text
- http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/80lfei2s5e4tfb6hdmjopoukj4/60470492751.pdfIn PDF document text
- http://travelshops.pl/userfiles/file/64773978768.pdfIn PDF document text
- http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160e5b48d3d8ba---74590534528.pdfIn PDF document text
- http://s-moonlight.com/CKEdit/upload/files/vadutujoxetitigatagiwog.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=where+can+you+watch+how+to+train+your+dragon+2PDF 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_off0000da62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA62 | 10848 bytes |
SHA-256: aa5d4fb7974d6cc831e858b17b47838dad8fc586936b7ef881c8e092f6a7216e |
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font_01_sfnt_off0000f351.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF351 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010b63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B63 | 17484 bytes |
SHA-256: 9ddccef76a0dbee009e61b8ac7cd6135c5b7d68a390af34e30c4f8936b9306a5 |
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