MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, containing numerous URLs pointing to compromised CMS uploads and disposable hosting, suggesting an attempt to distribute phishing content or further malware. The presence of multiple external URIs and a link farm heuristic strongly supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://koratspring.com/upload/file/vebubuzowivofokafika.pdf In PDF document text
- http://caramelitos.sk/files/46778872005.pdfIn PDF document text
- http://bioaec.com/userfiles/files/kedige.pdfIn PDF document text
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160702e8ac56ba---famibosesikubekux.pdfIn PDF document text
- http://vinag7furniture.com/app/webroot/files/editor_upload/files/12182920763.pdfIn PDF document text
- http://ligonfamilyreunion.org/clients/9/9a/9a44987365eba454cd9b2deda39aa7c0/File/47456202548.pdfIn PDF document text
- http://bjhtdszdh.com/v15/Upload/file/2021612100495249.pdfIn PDF document text
- https://www.tratedu.net/ssss2018/assets/143ad273/ckfinder/core/connector/php/upload/userfiles/files/7dd78e2e2566b5817764105c43de1719.pdfIn PDF document text
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/bolf2b8ijhaevtgvuenv5vc370/40035191458.pdfIn PDF document text
- https://www.carrentchiengmai.com/files/50989897022.pdfIn PDF document text
- http://sahamit.net/userfiles/file/nusodaraxujurexab.pdfIn PDF document text
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dd66767082---5565788454.pdfIn PDF document text
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1607ebbb3e1e71---gizevutuzizes.pdfIn PDF document text
- http://detikakdeti.ru/img/file/beritolalimoxiduropojan.pdfIn PDF document text
- https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/7068a63959555310d09e0686aaf354d2/maperanikawi.pdfIn PDF document text
- http://moyamoya.center/images/hand_uploaded/files/safigesetugikupejivadob.pdfIn PDF document text
- http://joy05.com/_UploadFile/Images/file/93742613098.pdfIn PDF document text
- http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/9jcp3to5a4raacv4gpla0loup6/dimilifizivopusawelamizaj.pdfIn PDF document text
- https://chefinhogourmet.com/wp-content/plugins/super-forms/uploads/php/files/d8a6e798b07e5c4afc0a016dcba25484/tujosikopumedopo.pdfIn PDF document text
- http://ipublicity.cz/data/file/jusen.pdfIn PDF document text
- http://gancza.pl/userfiles/file/93803123177.pdfIn PDF document text
- http://sashtraayurveda.com/ckfinder/userfiles/files/girixoragamuvilo.pdfIn PDF document text
- https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/6pdl1icprmj8adkrn4id3i58ua/zeviravofodatufez.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=uk+mcdonalds+menu+with+pricesPDF 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_off000129e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129E5 | 11064 bytes |
SHA-256: 408d290b2853fde173259aa5f81bb2cec0ded0336a0e8a4be701159a4e444d62 |
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font_01_sfnt_off0001437f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1437F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00015b91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15B91 | 17688 bytes |
SHA-256: a29202f39f94635c0ed21c6bebfa365731298d74943788040662ccd744d80bd0 |
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