MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution lure. The presence of numerous unknown URLs further supports this, as they likely host malicious payloads or redirect to phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://runhouchem.com/upload/files/nesuvofoli.pdf In PDF document text
- http://thegioichuyendong.info/app/webroot/upload/files/puvokimodenexofugusenobo.pdfIn PDF document text
- http://blekinge.boj.se/uploads/userfiles/files/2721990866.pdfIn PDF document text
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/2cc47f1a203ef356883dc18e89b204a3/dogedixegom.pdfIn PDF document text
- https://tutorbolivia.com/userfiles/file/nunononivikukad.pdfIn PDF document text
- http://talleresjpg.es/img/file/topulisojuparidowifid.pdfIn PDF document text
- https://hantverksakuten.se/ckfinder/userfiles/files/61702013918.pdfIn PDF document text
- http://yuli-china.ru/d/files/sawojaxiwupiwupixafumi.pdfIn PDF document text
- http://kemnhapkhau.com/upload/files/mokovuxixomedaxolux.pdfIn PDF document text
- http://xindeshiye.com/uploadfile/file///2021091715265097.pdfIn PDF document text
- https://hsse.hssanesteban.cl/files/lalegizudifugafureda.pdfIn PDF document text
- http://okna-kurska.ru/page_edit/_samples/userfiles/files/volirarumetep.pdfIn PDF document text
- http://24hnbc.com/assets/ckfinder/core/connector/php/uploads/files/galujiropered.pdfIn PDF document text
- http://clarklawtexas.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/38223496050.pdfIn PDF document text
- http://gezond-trakteren.nl/kasteel-doornenburg-img/bestandenfile/wagevodosemunage.pdfIn PDF document text
- https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/rd5h7l7h5d93ll0t1u5fep2e1g/67820962005.pdfIn PDF document text
- http://vnationwide.com/userfiles/files/motizobijegajorixetuz.pdfIn PDF document text
- https://edarky.net/data/file/juzikobo.pdfIn PDF document text
- https://thuanxuongmonmb.com/admin/webroot/upload/image/files/napemis.pdfIn PDF document text
- http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/161300a5c0333c---86948798751.pdfIn PDF document text
- http://thietbikhachsanvinhhung1.com/upload/files/jepifuvanuxunewevalejogiw.pdfIn PDF document text
- https://paymentor.nl/uploads/file/41587944891.pdfIn PDF document text
- https://taxfirma.com/userfiles/file/25737127849.pdfIn PDF document text
- http://around-sicily.net/userfiles/file/5951967535.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=chhota+bheem+game+apkPDF 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_off0000d156.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD156 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e968.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE968 | 18736 bytes |
SHA-256: ff025ea432636c1abd70d6fa2327e12817966c66232d7cf3c3640efa924dc145 |
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font_02_sfnt_off00011abd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11ABD | 10452 bytes |
SHA-256: b4258b4ec30a61d8f2879d7e97c371f11f22c69ecf391ec56bad08328bc94fd1 |
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