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 websites or disposable hosting, indicating a link farm designed to redirect users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 http://e-sheremet.com/img/45292405364.pdf In PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/a4au2lqtonbftdkd1don7j7nn3/41100379126.pdfIn PDF document text
- http://lycee-elm.org/userfiles/file/29790428872.pdfIn PDF document text
- http://styrexon.cz/userfiles/file/41343631918.pdfIn PDF document text
- https://rowanmkt.com/Uploads/ckfinder/userfiles/files/79990338973.pdfIn PDF document text
- http://studio-castiglioni.com/userfiles/files/fifapawedujijowilidakudit.pdfIn PDF document text
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f924b552b1---26000224446.pdfIn PDF document text
- http://webcertain.net/contentupload/fckeditorUploads/organization_/file/48506642717.pdfIn PDF document text
- http://surausa.com/uploads/files/sagotodetefekijuwe.pdfIn PDF document text
- http://dblbtech.com/userfiles/file/89234688947.pdfIn PDF document text
- http://gtlitalia.com/userfiles/files/lonixidedodelinoxe.pdfIn PDF document text
- http://school19-zav.ru/userfiles/file/55170034551.pdfIn PDF document text
- http://mannaz.pl/userfiles1/file/wumapekevizezuminopi.pdfIn PDF document text
- http://mavelikaradiocese.org/rapha/ckfinder/userfiles/files/39210097627.pdfIn PDF document text
- http://upservice.expert/admin/ckfinder/userfiles/files/jupufewavibuzasatebe.pdfIn PDF document text
- https://glearningsolutions.com/userfiles/files/liralito.pdfIn PDF document text
- https://bleikss.com/userfiles/file/pilikawigi.pdfIn PDF document text
- http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c7932af4f9---zizurat.pdfIn PDF document text
- http://abwcrainhwy.com/uploads/files/1237373841.pdfIn PDF document text
- https://istruttorecinofilo.it/userfiles/file/24666084585.pdfIn PDF document text
- https://austarpharma.com/upload/files/94387498464.pdfIn PDF document text
- https://elemental-ia.com/userfiles/file/85145992893.pdfIn PDF document text
- http://www.iuoelocal870.com/kaizen/ckfinder/userfiles/files/10620547523.pdfIn PDF document text
- http://abpjse.news-read.com/upload/files/52230108632.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=how+to+find+the+vertex+from+an+equationPDF 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_off0000b1f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1F1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ca08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA08 | 10896 bytes |
SHA-256: 5359dfd86f2e4c527a980e160208b47600489c86e260663e0a6e248b98a3c5d1 |
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font_02_sfnt_off0000e2d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2D0 | 15288 bytes |
SHA-256: 9bab71f8eb41498c063b596149733fde385be803d43c56234eecc1e14bef95f5 |
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