MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution. The presence of multiple external URIs and a link farm heuristic points towards an attempt to exploit user trust to visit malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://pistant.ru/uplcv?utm_term=olx+android+app+free+download PDF link annotation
- https://bdblue.com/ckfinder/userfiles/files/vizupesepotamofupivew.pdfIn PDF document text
- https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/1613f9d9b6c9b7---zizalalebitoxuxibipavonol.pdfIn PDF document text
- http://newgrids.com/userfiles/file/kejilemebujedov.pdfIn PDF document text
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/8b9006d4a004704aeaf136af9eabf29f/8434534287.pdfIn PDF document text
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131551655209---laniluzozuxajevatata.pdfIn PDF document text
- https://highlander-inn.com/assets/userfiles/files/takamameziregufituga.pdfIn PDF document text
- http://benardoutlite.com/admin/fckeditor/fckdata/file/79818550343.pdfIn PDF document text
- http://www.santabriganti.org/admin/ckfinder/userfiles/files/64504941011.pdfIn PDF document text
- https://www.bevillelecomte.com/ckfinder/userfiles/files/zelizidibibuvexowetub.pdfIn PDF document text
- http://internationalnetworksolutions.net/files/In PDF document text
- http://webinaris.net/ckfinder/userfiles/publics/files/59091443618.pdfIn PDF document text
- http://tonghuichem.com/upload/files/84979168039.pdfIn PDF document text
- http://178.62.148.222:300/ckeditor/ckfinder/userfiles/files/33752882697.pdfPDF link annotation
- https://newfrio.com/userfiles/files/10226181818.pdfIn PDF document text
- http://showpalmedical.com/userfiles/tejikafobijo.pdfIn PDF document text
- https://aldwalia.com/userfiles/files/18298259664.pdfIn PDF document text
- https://www.cascatai.com.br/ckfinder/userfiles/files/rujesowasolukex.pdfIn PDF document text
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161403496af364---95133189679.pdfIn PDF document text
- http://nhatrangpalace.vn/app/webroot/upload/files/77753054079.pdfIn PDF document text
- http://interroadholland.nl/userfiles/file/12773002589.pdfIn PDF document text
- https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/1613cb3f6884bd---nidexodopeditogive.pdfIn PDF document text
- http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136c89d6174b---josizolukufovamavagomepam.pdfIn PDF document text
- http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/161441e892576d---8882115198.pdfIn PDF document text
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138e8fe79dc9---86594400688.pdfIn PDF document text
- 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_off0000c53e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC53E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dd50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD50 | 17580 bytes |
SHA-256: 89120847d8f564ddfa495c0597468664b91af9db902fd0afa5d86461a0960817 |
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font_02_sfnt_off00010b03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B03 | 10436 bytes |
SHA-256: a32971da8542cbe03bffa004d92b06c786bcca3d5767dc756abe755e455f44e1 |
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