MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which are hosted on compromised CMS upload directories, suggesting a phishing or malware distribution scheme. The presence of embedded URLs and the nature of the heuristics point towards an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a7264a6d00---junemuk.pdf In PDF document text
- http://csc0512.com/userfiles/file/20210626031018_evmyhg.pdfIn PDF document text
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/160b32264488e3---kekipizimitetijuxexilom.pdfIn PDF document text
- http://lubrifianti-auto.ro/files/file/wewiguzabotaxalegoxidoka.pdfIn PDF document text
- http://www.anieliasfx.com/uploads/textareas/file/67776677926.pdfIn PDF document text
- http://ohstigers66.com/clients/d/da/da15611725e7ba20b6827cbf2e24f87d/File/17594532333.pdfIn PDF document text
- http://audiencefertilization.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/jorujukodewawagazojibo.pdfIn PDF document text
- http://alphaconsultinggroup.us/vpw/images/file/tupekafix.pdfIn PDF document text
- https://grandhotelbulgaria.com/userfiles/file/48017011738.pdfIn PDF document text
- http://alemotta.com/resources/original/file/jatigonozujatir.pdfIn PDF document text
- https://www.apollopowersystems.com/wp-content/plugins/super-forms/uploads/php/files/6acc53e76a26abb7fa531971f4dde330/20272596504.pdfIn PDF document text
- https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/i0qitgaf84dmcgc1hbgj5gn6on/63290810523.pdfIn PDF document text
- http://lamachine.nl/userfiles/file/82921753989.pdfIn PDF document text
- https://genesislighting.net/wp-content/plugins/super-forms/uploads/php/files/0d7374f221614ce81844404c862c53f6/nifisopomuvazif.pdfIn PDF document text
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/160affd2759b98---39798267288.pdfIn PDF document text
- https://tl-systems.hu/files/files/javuvolom.pdfIn PDF document text
- https://www.andrecampbell.ca/wp-content/plugins/super-forms/uploads/php/files/488ce534c8a90b24e6e9ac7477d6f5d2/46957022686.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3cf9ae1d1e---95527385372.pdfIn PDF document text
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606d2f8dbabd5---727810669.pdfIn PDF document text
- https://dalilak1.com/userfiles/file/80329491220.pdfIn PDF document text
- https://ckmandarin.com/uploads/5326098719.pdfIn PDF document text
- http://uticachemical.com/files/upload/files/vumavobesafabogikuwofiz.pdfIn PDF document text
- https://sgdivorcelawyers.com/wp-content/plugins/super-forms/uploads/php/files/5389359002b9474ea4f0ed7a36b82869/jiwefikezud.pdfIn PDF document text
- http://85560891.com/upfolder/e/files/20210701030729.pdfIn PDF document text
- https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb4dc8f1e8---tabawuvazimeve.pdfIn PDF document text
- https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160bc20d9533ad---78033990084.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=cook+and+book+dndPDF 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_off00010361.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10361 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011b77.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B77 | 9868 bytes |
SHA-256: 3b0c4e216cc706b9c2ff32cc0c689ea266238503988a37afd0dd8bb7caa06501 |
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font_02_sfnt_off00013143.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13143 | 17424 bytes |
SHA-256: d4fc88bae6392f16398eb65b3df767988cda373c7a1c95f7f6428c3d3e2b3187 |
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