MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The presence of 'utm_term' parameters in some URLs indicates a potential phishing or tracking mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://catamma.ru/uplcv?utm_term=cusrom+redmi+note+4 PDF link annotation
- http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/80717870a00c237affa2dab7793c1336/dalowenalasuto.pdfIn PDF document text
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/161333635086ce---42462483994.pdfIn PDF document text
- http://homeshopeez.com/uploaded_files/userfiles/files/mirukawinaxatofipome.pdfIn PDF document text
- http://salsainkonstanz.de/media/files/35713265195.pdfIn PDF document text
- http://iwayman.com/uploadfiles/file/2109021207238693049aov5d.pdfIn PDF document text
- http://innospectrum.eu/hirlevel/file/lelifubijizuzukupesasiv.pdfIn PDF document text
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613c7309b3e5e---bikewataxamorowewi.pdfIn PDF document text
- http://abpjse.news-read.com/upload/files/lufurije.pdfIn PDF document text
- https://corianderedmonton.com/ckfinder/userfiles/files/vijinatajefi.pdfIn PDF document text
- https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134451fdb09c---24510593506.pdfIn PDF document text
- https://angelsolutions.ro/ckeditor/ckfinder/userfiles/files/watuxunopuwipifaroped.pdfIn PDF document text
- http://mstreatmentadvances.com/userfiles/files/9081691760.pdfIn PDF document text
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/161424e6db02e4---ziwozijebujorimidamuruwu.pdfIn PDF document text
- https://99shayari.in/userfiles/files/85307599015.pdfIn PDF document text
- http://sarkar.ie/userfiles/file/50112803143.pdfIn PDF document text
- https://institut-arabe.org/ckfinder/userfiles/files/42238235370.pdfIn PDF document text
- http://shrlie.com/upload_fck/file/2021-9-3/20210903145207392620.pdfIn PDF document text
- http://brandnewgoods.net/userfiles/file/96053191993.pdfIn PDF document text
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613d7254a629e---92140207126.pdfIn PDF document text
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16141a4d8d0024---562291181.pdfIn PDF document text
- http://vhz.cz/user-files/21273215843.pdfIn PDF document text
- http://vattuxaydunghl.com/userfiles/file/64858246726.pdfIn PDF document text
- http://laclonghotel.vn/upload/files/66500941293.pdfIn PDF document text
- http://alvit-bk.ru/userfiles/file/19831604892.pdfIn PDF document text
- https://cryptoshift.be/anaeter_capital/siteadmin/userfiles/files/fopedifoxosomemoginiri.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_off0000f4a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4A4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010cbb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CBB | 10412 bytes |
SHA-256: 9e8686fb11edd12c3caf3b94caf49e3601c6f01cd886343fcdd1b409faf8c9fc |
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font_02_sfnt_off0001245a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1245A | 18384 bytes |
SHA-256: ab2a0066b3ede16de33d01d25eef14df77a6b884023bd1d3d80cab84b583b8b2 |
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