MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Heuristics identified the document as a link farm, with many URLs pointing to compromised CMS upload storage and disposable hosting. The embedded URLs suggest an attempt to direct users to external, potentially malicious, sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://immobilieninvestors.net/userfiles/file/zamebubunuva.pdf In PDF document text
- http://sarljarry.com/userfiles/file/jokezabifirefap.pdfIn PDF document text
- http://szjglaw.com/uploadfile/file/2021090212555173499.pdfIn PDF document text
- https://cmoretv.com/userfiles/28173877378.pdfIn PDF document text
- http://vhshf.de/File/vifibovesemume.pdfIn PDF document text
- https://livres-d-art.com/ckfinder/userfiles/files/samudulakogivokom.pdfIn PDF document text
- https://pmms-online.com/assets/file/gufolifiti.pdfIn PDF document text
- http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/c7iuhe8nnnqieee02ur9q4kg82/1106610088.pdfIn PDF document text
- http://incomsistema.ru/ckfinder/userfiles/files/moribinokevojokam.pdfIn PDF document text
- http://18554080.com/userfiles/file/5736611691.pdfIn PDF document text
- http://pizzeria-millemiglia.de/app/webroot/img/editor/file/95485783908.pdfIn PDF document text
- http://rockhousemethod.com/ckfinder/userfiles/files/lapozafovaremowuvifuxut.pdfIn PDF document text
- https://altonika.pro/files/fck/file/86693994878.pdfIn PDF document text
- http://moscowfashion.net/content/xuploadimages/file/66098978087.pdfIn PDF document text
- https://aordonez.com/images/contenidos/files/67496300548.pdfIn PDF document text
- http://emilymillerlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/begavuwivodokezosuvum.pdfIn PDF document text
- https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/218af71c59806fecaa551661c60fbebd/16596300684.pdfIn PDF document text
- https://honkakuji.jp/honkakuji/images/ckfinder/files/50763557526.pdfIn PDF document text
- https://tyeetomsfishing.com/userfiles/file/48114068013.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613002d626b8f---95299034369.pdfIn PDF document text
- http://tauben-buchmeier.de/kleinberliner-schuetzen/userfiles/files/37911772418.pdfIn PDF document text
- https://www.tamilsaga.com/ckfinder/userfiles/files/filufotamamaxawulub.pdfIn PDF document text
- http://dealershop.es/camarasegovia/userfiles/file/8328003961.pdfIn PDF document text
- http://haphadoor.com/upload/files/dudapaxamenifatid.pdfIn PDF document text
- http://collegium-connect.nl/ckupload/files/89994119730.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=revvl+4+unlockPDF 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_off0000d080.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD080 | 9984 bytes |
SHA-256: 79c659bc07f7b3ebf4c33dccf883bf7917983ec7097c7d84e4271789503c63aa |
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font_01_sfnt_off0000e6d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6D5 | 17828 bytes |
SHA-256: c35576e3e9cc02631b64b53eeb568233a1e6bae9527dac62afd11d53bda50da8 |
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font_02_sfnt_off00011505.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11505 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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