MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous URLs, many of which are hosted on compromised or disposable domains, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent, likely to redirect users to malicious content or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://synerhu.ru/uplcv?utm_term=vsco+app+apk+download PDF link annotation
- http://abwhopewell.com/uploads/files/59499210590.pdfIn PDF document text
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/16141ea3336342---55914789530.pdfIn PDF document text
- http://hrt-foto.hu/_user/file/83460946069.pdfIn PDF document text
- https://gadesign52.com/uploads/files/202109112109272108.pdfIn PDF document text
- http://sahamit.net/userfiles/file/vefafisoku.pdfIn PDF document text
- http://2rent.gr/userfiles/file/gativa.pdfIn PDF document text
- http://obras.ru/sites/default/files/uploads/51256413423.pdfIn PDF document text
- http://cesurmakina.com/userfiles/file/vuvowegitaxukofemov.pdfIn PDF document text
- http://www.jobibon.com/admin/userfiles/file/55677153104.pdfIn PDF document text
- http://teifsepahan.com/files/file/53175971750.pdfIn PDF document text
- https://concurs-euclid.ro/upload/fck/samotomaves.pdfIn PDF document text
- http://st03.it/userfiles/files/vobizotofow.pdfIn PDF document text
- https://bostoncake888.com/UserFiles/files/29565274956.pdfIn PDF document text
- http://aktifbant.com/resimler/files/11011910295.pdfIn PDF document text
- https://silatur.com/js/ckfinder/userfiles/files/vokadesoro.pdfIn PDF document text
- https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613e150a48bcd---30578979354.pdfIn PDF document text
- http://unionnutritech.com/upload/files/ribarigolu.pdfIn PDF document text
- http://leasingtowers.com/ckfinder/userfiles/files/nolesevosofugona.pdfIn PDF document text
- https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a830a83611---pesojigavogup.pdfIn PDF document text
- http://ihanzao.com/userfiles/file/20210907123236_1057270535.pdfIn PDF document text
- https://tezerwatch.com/file/upload/files/09-02-23-05-03-41.pdfIn PDF document text
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613cd7a179998---sidawitumusarubusoki.pdfIn PDF document text
- http://lonerangerfanclub.com/ckfinder/userfiles/files/99025974169.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_off0000d522.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD522 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ed34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED34 | 17112 bytes |
SHA-256: 0493e95c3ba43aa89aa853f9ffc17963861e4496f448350005c9671c73bbdf6e |
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font_02_sfnt_off0001198f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1198F | 10232 bytes |
SHA-256: 37d56f17ae1ed7386cc65499b0265be9522874b9e691ea3d58f320e685bb8d1b |
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