MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://synerhu.ru/uplcv?utm_term=best+hair+shape+for+oval+face PDF link annotation
- http://davidhammerstein.org/ckfinder/userfiles/files/9822798847.pdfIn PDF document text
- http://ambvet-trefontane.eu/userfiles/files/foloto.pdfIn PDF document text
- https://rallstarawards.us/nbloom/fckuploads/file/27447500833.pdfIn PDF document text
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134c412d8a65---27887507830.pdfIn PDF document text
- http://christopherdallo.com/file/32030234852.pdfIn PDF document text
- http://alpha-cp.com/userfiles/file/finarel.pdfIn PDF document text
- http://ngoinvest.com/uploads/ckfinder/files/bigibojikebixuvilowo.pdfIn PDF document text
- http://www.aceitunasdelguadalhorce.es/ckfinder/userfiles/files/kopobukekepijikixonuxex.pdfIn PDF document text
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/16131331b195b0---tevevabajunekaxef.pdfIn PDF document text
- http://petra-dario.info/upload/datoteke/falezabotatapedagixunuwa.pdfIn PDF document text
- http://dtpokebar.com/uploads/files/tarovofu.pdfIn PDF document text
- http://chpcentre.com/files/file/lebarixarede.pdfIn PDF document text
- http://www.chubsorn.com/file/files/kizofurejig.pdfIn PDF document text
- https://munis-roquesalbes.cat/demo/vilalba/imatges/file/kafiju.pdfIn PDF document text
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/731ed7fe1f97a8fb451f445f1c130bc6/18965951569.pdfIn PDF document text
- https://attackworkoutprogram.com/app/webroot/files/ckfinder/userfiles/files/mamovopaleja.pdfIn PDF document text
- https://cailux.lu/userfiles/files/12850588319.pdfIn PDF document text
- https://groupburuemas2.com/contents/files/gibebevoretixewulaguzu.pdfIn PDF document text
- https://infiniteprospects.com/FCKeditor/file/futog.pdfIn PDF document text
- http://prinsart.ro/uploads/files/7848124981.pdfIn PDF document text
- http://pkpneu.cz/userfiles/file/7372588637.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_off0000b422.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB422 | 10592 bytes |
SHA-256: fd1cb15a8df4a6136145d608e0457a855618b028d37d435b8e1fe1afe09d64f9 |
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font_01_sfnt_off0000cc8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC8C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e49e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE49E | 16648 bytes |
SHA-256: 3d719657eb5dd9166fe96d7a79d56af9d88140937eb1923f65c4983dfbe6bcf8 |
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