MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous embedded URLs that point to disposable hosting and compromised CMS upload storage, indicating a link farm designed to redirect users to malicious content. The presence of these links suggests an attempt to distribute phishing content or malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://ketchas.ru/uplcv?utm_term=farm+heroes+saga+game+download PDF link annotation
- http://haraj-alqunfudhah.com/userfiles/file/78926190021.pdfIn PDF document text
- http://mtsp.by/userfiles/files/zokebovibarag.pdfIn PDF document text
- http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/9389399193.pdfIn PDF document text
- http://jobsmarttampabay.com/files/public/80636114058.pdfIn PDF document text
- http://ahjygjg.com/upload_fck/file/2021-9-24/20210924015051273818.pdfIn PDF document text
- http://www.parinet.fi/tiedostot/files/97550338206.pdfIn PDF document text
- http://venusland.vn/app/webroot/img/files/81063267343.pdfIn PDF document text
- http://ride-on-earth.com/images/blog/file/tagevazoseganitu.pdfIn PDF document text
- http://www.focitabor.hu/userfiles/file/birowiletoravigikip.pdfIn PDF document text
- http://restravel.ru/ckfinder/userfiles/files/95417985092.pdfIn PDF document text
- http://bet-balance.com/userfiles/file/76859848961.pdfIn PDF document text
- http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/161512335e5dff---35658716872.pdfIn PDF document text
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/16135b732e65b3---tinuxuj.pdfIn PDF document text
- http://dachastyle.com/userfiles/file/78107353312.pdfIn PDF document text
- https://aradovan.com/userfiles/file/fojetuxozufotezezez.pdfIn PDF document text
- https://uangraja.com/contents/files/pugaj.pdfIn PDF document text
- http://bona-agra.pl/Upload/file/ripijidedewowalipekigo.pdfIn PDF document text
- http://letsbelegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kifopegekadiv.pdfIn PDF document text
- http://uptownfallschurch.com/uploads/files/78565088673.pdfIn PDF document text
- http://lnshiyue.com/userfiles/file/20210910231517_844677129.pdfIn PDF document text
- https://sca-eagleegg5k.com/ckfinder/triplebuserfiles/file/46605210589.pdfIn PDF document text
- http://fslawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/divevoruvipiwaxato.pdfIn PDF document text
- https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/67832a1bd6ac20a8c5da78f730b8a757/jomiwewufaj.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_off0000b02e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB02E | 16068 bytes |
SHA-256: e7bac112cfd69fc54dd62e6a37303e326d42390df8f0be0fa4bfb76387927767 |
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font_01_sfnt_off0000d90a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD90A | 10568 bytes |
SHA-256: 039bee8ebec55a9e7277b0c0b365ff0f87a4ce9f4d388d12c9bd04f499db176e |
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font_02_sfnt_off0000f0c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0C8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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