MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to potentially compromised websites or disposable hosting, suggesting an attempt to redirect users to phishing or malware download sites. The PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristic specifically highlights a link to a compromised WordPress upload, further supporting this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://alihuata.com/userfiles/file/pomerusolaxesofepimulugil.pdf In PDF document text
- https://samajsutra.com/userfiles/files/54116282489.pdfIn PDF document text
- http://ohxto.com/uploaded_files/userfiles/files/37597303076.pdfIn PDF document text
- https://ikomsolutions.com/admin/userfiles/file/tubuzajikonafasupefura.pdfIn PDF document text
- http://iaestedresden.de/userfiles/file/juxumasekiremozexugufebe.pdfIn PDF document text
- https://lotusmarinevn.com/upload/files/67446095093.pdfIn PDF document text
- http://winterwonderlandzundert.nl/uploadimages/files/xamukogadoxeta.pdfIn PDF document text
- http://modnyi-buket.ru/uploads/files/94063153920.pdfIn PDF document text
- http://art-wonders.com/ckeditor/ckfinder/core/connector/php/uploads/files/xerarironosex.pdfIn PDF document text
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132083a09b5a---25025388394.pdfIn PDF document text
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/161407d8158801---21158178966.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613dd809289fe---62899009148.pdfIn PDF document text
- http://abwmarlboropike.com/uploads/files/zafepuvigoku.pdfIn PDF document text
- http://mansiya.com/uploadfile/files/zupinapajofixalopesi.pdfIn PDF document text
- https://estduquebec.com/scripts/php/xenocode/lib/ckfinder/userfiles/files/tipazuvunagigavajite.pdfIn PDF document text
- http://volkshilfe-ktn.at/images/content/files/tubawinuzek.pdfIn PDF document text
- http://guerrazzi.info/userfiles/files/52852008596.pdfIn PDF document text
- https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134d1831b1c6---5180381473.pdfIn PDF document text
- https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/158bdf012e310b551aadfe566fe8c4d2/81645980605.pdfIn PDF document text
- http://weddingdove.tw/uploads/files/202109011338404679.pdfIn PDF document text
- https://saksisan.com/upload/ckfinder/files/divijavi.pdfIn PDF document text
- http://forma8.kz/ckfinder/userfiles/files/jepezixawuz.pdfIn PDF document text
- http://sunriverps.com/data/editor/file/94949602678.pdfIn PDF document text
- http://i-dron.cz/data/file/37843136403.pdfIn PDF document text
- http://ebara.com.hk/ckfinder/Zenith/userfiles/files/wifomizowunapatela.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=redmi+note+9+wipe+dataPDF 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_off0000e71d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE71D | 17188 bytes |
SHA-256: f09fd01dd29a21a15e5bc96088c7b5fbac01699348063828c946583f47292da7 |
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font_01_sfnt_off0001137f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1137F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012b96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B96 | 10540 bytes |
SHA-256: 3ca526084e555dbba7c21c400f96da67f112f5a2f7c3122eb6f58b08a3e5bf62 |
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