MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The file functions as a link farm, directing users to multiple external URLs, some of which are hosted on compromised WordPress sites or disposable domains. The presence of numerous URLs, including one with a 'utm_term' parameter suggesting a lure for game downloads, points towards a phishing or SEO-based malicious campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://medvor.ru/uplcv?utm_term=gta+san+andreas+15mb+download+pc PDF link annotation
- http://marleenjansen.nl/images/uploadfiles/satizudemibupebexa.pdfIn PDF document text
- http://szjwwj.com/userfiles/file///wevewew.pdfIn PDF document text
- https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139bc3794ead---94303852569.pdfIn PDF document text
- http://puntolinea.org/userfiles/files/kogezokojalategebele.pdfIn PDF document text
- http://automsystem.com/UploadFile/file/20210909221706341.pdfIn PDF document text
- https://irastuff.com/admin/ckfinder/uploads/files/siwitetaretozuza.pdfIn PDF document text
- https://invest.pl/userfiles/file/252055661.pdfIn PDF document text
- https://arnetbilgisayar.com/upload/ckfinder/files/fenedajomasopamugepa.pdfIn PDF document text
- http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/67f48f96244c2092d12f673d3818421a/jilevuwokugugeruzup.pdfIn PDF document text
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b048f01f4e---sovomimoposomexefakodera.pdfIn PDF document text
- http://cnsgawefgl.netsociality.com/upload/files/19157133526.pdfIn PDF document text
- https://propiedades.net/ckfinder/userfiles/files/nubigofovigokexufujitovi.pdfIn PDF document text
- https://motecx.com/images/file/vuwifesasoned.pdfIn PDF document text
- http://elfast.ru/userfiles/file/jizeruzipoporodedogur.pdfIn PDF document text
- http://paulgraphics.paulsfashion.in/files/67813099145.pdfIn PDF document text
- https://rgcsmt.org/ckfinder/userfiles/files/33238296300.pdfIn PDF document text
- https://dammesliepas.lv/ckfinder/userfiles/files/xakerejuxotojotidoramub.pdfIn PDF document text
- http://defhjdrjioo.friend-match.com/upload/files/nulukaribaxaxamuzusiw.pdfIn PDF document text
- https://jss-moms.si/upload/File/89082140965.pdfIn PDF document text
- http://acrclubinversores.com/files/galeria/files/68590330589.pdfIn PDF document text
- https://castilloexterior.es/ckfinder/userfiles/files/19284631405.pdfIn PDF document text
- http://rhondachem.com/d/files/boguzexeguvibilevetifenep.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_off0000d699.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD699 | 11032 bytes |
SHA-256: 3d86cafb2ad63de540b99353a8b41f68dca548682ed287a36a7eede3520112fe |
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font_01_sfnt_off0000f037.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF037 | 18584 bytes |
SHA-256: 2d243d0708618f50db5826b8d1e3c2146b2cf59575ad60ad79911bdacc7fe100 |
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font_02_sfnt_off00011fcd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FCD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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