MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links, many pointing to compromised WordPress sites hosting similar PDF files. This behavior is indicative of a link farm designed to redirect users to malicious content, likely for phishing or to serve further malware. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a8a8dd584f1---sejijekovamaweravar.pdf In PDF document text
- https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/25ac5b1f7e8f8d898f2c4c2d519c650e/83119282542.pdfIn PDF document text
- http://braghieriarchitettura.com/userfiles/files/32338123453.pdfIn PDF document text
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b7e5c85af1---vusezefematepewaneb.pdfIn PDF document text
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072c1704ec84---25199073527.pdfIn PDF document text
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/160aaecce29e92---19397691952.pdfIn PDF document text
- https://universal4shipping.net/userfiles/file/83868459899.pdfIn PDF document text
- http://www.ih-consultant.com/ckfinder/userfiles/files/68913909564.pdfIn PDF document text
- http://fli.edu.mn/ckfinder/userfiles/files/fiteguguzoxilaro.pdfIn PDF document text
- https://sapporopools.com/contents//files/zajumixawokuwi.pdfIn PDF document text
- https://srmresidences.com/images/bulk_images/files/vagesizidibogiw.pdfIn PDF document text
- http://aptchasers.com/FCKeditor/userfiles/file/bopukasetadesinugukoruzon.pdfIn PDF document text
- https://santevita-bg.com/ckfinder/userfiles/files/63267510519.pdfIn PDF document text
- http://guitarenko.fr/img/files/dawaxasik.pdfIn PDF document text
- http://gorisum.net/fckeditor/upload_file/file/53579273335.pdfIn PDF document text
- http://radissonhoteltraining.com/userfiles/file/71610632492.pdfIn PDF document text
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611b6ddc0cfd5---kereditumivawo.pdfIn PDF document text
- http://donaldnathanlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/85581254227.pdfIn PDF document text
- https://hagepoorter.be/files/files/25857499334.pdfIn PDF document text
- https://gs-hemeringen.de/ablage/userfiles/files/89178464101.pdfIn PDF document text
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/gopsmfkvthei03g4qhso888s6o/fetikujidatafarodajiliz.pdfIn PDF document text
- http://dc-536514926e84.632.ch/ckfinder/userfiles/files/tuxakawutikaxawiviwatuw.pdfIn PDF document text
- http://chsjackets75.com/clients/a/ae/ae1e0d6431e3080ad3d3eb1024a27f31/File/77141849621.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=write+a+java+program+to+implement+array+of+objectsPDF 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_off0000b4f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4F5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cd0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD0C | 11264 bytes |
SHA-256: 543e0a96628ef43d501597c7c6830965855fc8e7d99d6c5c28dbc8118dd74810 |
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font_02_sfnt_off0000e740.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE740 | 14496 bytes |
SHA-256: 80a1056cd2b4d5ceed3243cf82695e9102a8d3e6711437f2120f74a4b4d06d48 |
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