MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links, many pointing to compromised websites or disposable hosting, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://plantbiochem.com/ckfinder/userfiles/files/rovujobasexejavi.pdf In PDF document text
- http://xn--e42bt3l.net/upfile/files/76957211794.pdfIn PDF document text
- http://ptaki.info/imgekoprojekty/files/mozupiladawiliwivazetava.pdfIn PDF document text
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/rv04k9nhmct3aj5v9en2i79qet/45307586113.pdfIn PDF document text
- http://share-world.tw/userfiles/file/39307189904.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161490116d2f17---lifaxowone.pdfIn PDF document text
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16144a3d6cfe94---18877082795.pdfIn PDF document text
- https://global-brand.net/userfiles/files/41880463036.pdfIn PDF document text
- https://nayyaralidada.net/alpha/ckfinder/userfiles/files/dawolafu.pdfIn PDF document text
- http://giprozdraw.ru/ckfinder/userfiles/files/8077290143.pdfIn PDF document text
- https://hotel-la-licorne.fr/userfiles/file/5728146574.pdfIn PDF document text
- https://teater77.nl/userfiles/file/niwekupebunekife.pdfIn PDF document text
- http://triatlonbizuterie.cz/sites/default/files/file/83330911445.pdfIn PDF document text
- https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/fb52a527d12d281035f64bb12436396e/22373675392.pdfIn PDF document text
- http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143e6cf96074---5189611239.pdfIn PDF document text
- http://edeins.com/userfiles/file/20584402923.pdfIn PDF document text
- https://terracell.info/images/file/17026981425.pdfIn PDF document text
- http://vinacafe-dalat.com/Images_upload/files/xegafefok.pdfIn PDF document text
- https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/03d6010da67010de566a762d8ca2a306/99571028861.pdfIn PDF document text
- http://canxetaianhduc.com/images/file/nenulatesofanazogeka.pdfIn PDF document text
- http://thephinhmienbac.com/upload/files/93889651464.pdfIn PDF document text
- https://onlinendttraining.com/files/86664618189.pdfIn PDF document text
- http://hk-sai.com/ckfinder/userfiles/files/40635821060.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=best+app+lock+that+cannot+be+uninstalledPDF 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_off0000d5a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5A3 | 10896 bytes |
SHA-256: a93a8b5f4627d04f861e6f276491ab6cf627ec85870f9f92a8a29e3677937371 |
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font_01_sfnt_off0000ee96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE96 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000106a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106A8 | 16908 bytes |
SHA-256: a3ec00652bb164327d2614719636594a62dc529a6ee7db728f6770be4df9d5da |
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