MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many embedded URLs pointing to compromised CMS upload directories and disposable hosting. These links likely lead to further malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/11c075e97cfbe20cd1b8d87ac1867f8b/87179443650.pdf In PDF document text
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/161075990c4a1e---71846408823.pdfIn PDF document text
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1611545fce1180---58023126431.pdfIn PDF document text
- https://patc.fr/imagesfile/78839630784.pdfIn PDF document text
- http://pvvc.cz/files/jofin.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1607399e7e2a86---99046141424.pdfIn PDF document text
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608ce37d04dd0---58397555689.pdfIn PDF document text
- http://ucity69.com/clients/861769/File/55587436046.pdfIn PDF document text
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b560575896f---xavirezagewigisituj.pdfIn PDF document text
- http://mai-colle.jp/userfiles/file/96890567108.pdfIn PDF document text
- https://pet-fashion.ro/mm/file/15455901898.pdfIn PDF document text
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/16070ce9f3cd02---wawuzumuxosisogotib.pdfIn PDF document text
- http://pspectr.ru/userfiles/file/26197135296.pdfIn PDF document text
- http://suvagcentr.ru/userfiles/files/20233377017.pdfIn PDF document text
- https://flycam.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16085acb252824---vasuwotemixumegazukadigen.pdfIn PDF document text
- https://twfern.org/upload/ckfinder_temp/files/20210630172144.pdfIn PDF document text
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/6fc265b1ec03ca8f82dba66b971ff285/jowoxaki.pdfIn PDF document text
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/160f4d22622600---16791207867.pdfIn PDF document text
- http://bakoca.hu/files/file/57272200365.pdfIn PDF document text
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/jpe2n35m6pfpdljfkm5serhnk5/23470936570.pdfIn PDF document text
- http://elitvorota.ru/f/file/41825295711.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=libro+de+formacion+civica+y+etica+2+de+secundaria+contestado+2019PDF 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_off0000d2aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2AA | 11428 bytes |
SHA-256: 3ba8beba2e6062a6c70b594a171228eb261614e15a20ed3da38a03a1ed7f13e5 |
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font_01_sfnt_off0000edc6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDC6 | 16780 bytes |
SHA-256: 16d91cfe54035ee95974c74c04d053d954f85656bf1d78fc109e6296aa83b615 |
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font_02_sfnt_off000117f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117F1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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