MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or trojan threat. It contains numerous external links, many pointing to compromised CMS upload storage or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall detection by security tools strongly indicate an attempt to deliver a payload or phish credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://www.marjojaspers.nl/ckfinder/userfiles/files/kibezemojabefu.pdf In PDF document text
- https://shevtsov-art.com/uploads/files/lamoj.pdfIn PDF document text
- https://papersacksfactory.ae/images/bulk_images/files/91802957441.pdfIn PDF document text
- https://jesssmithtri.com/jesssmith/ckfinder/userfiles/files/rujuzelejebosogal.pdfIn PDF document text
- http://gospel-pour-100-voix.com/fichiers/newsletter/file/vixutixufog.pdfIn PDF document text
- http://kaies.net/upfiles/file/fuxexototomi.pdfIn PDF document text
- https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16137cc9ada117---13775103687.pdfIn PDF document text
- https://bwawarszawa.pl/upload/file/ruvoj.pdfIn PDF document text
- http://old.arcnet.org.tw/ckfinder/userfiles/files/pedimutovulizome.pdfIn PDF document text
- http://studiosantese.eu/userfiles/files/sagurufinolofogixulo.pdfIn PDF document text
- https://ms2oke.com/contents/files/rubapidineman.pdfIn PDF document text
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133c322922f7---nejugowuserujeja.pdfIn PDF document text
- http://www.haztartasigepszakuzlet.hu/pics/file/96212354179.pdfIn PDF document text
- http://como.gattinonimondodivacanze.it/themes/userfiles/files/63583195607.pdfIn PDF document text
- http://sevenseahotel.com/uploads/images/files/zuxaje.pdfIn PDF document text
- http://cataga.de/beta/files/file/78646073961.pdfIn PDF document text
- https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/7c1vm9u6qvqptnolcvnavcpjcd/79774361765.pdfIn PDF document text
- http://ormansagszive.hu/upload/file/nutoratunobenotovoba.pdfIn PDF document text
- http://vektorma.ru/uploads/assets/file/53720146100.pdfIn PDF document text
- http://chonburi33.com/userfiles/file/wevaxateziloroxubebaliv.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=videoder+new+2021PDF 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_off0000aaab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAAAB | 10116 bytes |
SHA-256: 05fc0a12c9944fc8bdb62a9cad3c68b8315d65d0aa5b06fde7e513cc014a89db |
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font_01_sfnt_off0000c165.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC165 | 15528 bytes |
SHA-256: 64f7ead94b6e2316c80602714af37b87fe79e821dfd0c32d1ed0db38021e32c8 |
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font_02_sfnt_off0000e90f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE90F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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