MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, suggesting a link farm designed to redirect users. The presence of external URI heuristics and the ML classification strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://md-servicios.com/userfiles/file/neliloxikexazo.pdf In PDF document text
- http://reclameindex.nl/images/uploads/zawidizoludebekope.pdfIn PDF document text
- http://candleelectricals.com/uploaded_files/userfiles/files/tozaneroleku.pdfIn PDF document text
- https://aronabritcan.com/userfiles/file/kaxedolo.pdfIn PDF document text
- https://dodomacnosti.net/data/file/90869874914.pdfIn PDF document text
- https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/69b9cf5bcd96647ab20366b9e05f896f/beziladibivo.pdfIn PDF document text
- http://decoworld.in/dayafter/uploadimages/newsimages/file/kisenivumezozikeganefuta.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613d63b791a3b---jupobelipukexel.pdfIn PDF document text
- http://vuonlan.vn/data/upload/files/28512229813.pdfIn PDF document text
- http://lukasikgroup.pl/Image/files/37125476885.pdfIn PDF document text
- https://transmilenio.net/datamont/userfiles/file/33529291220.pdfIn PDF document text
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/228385f97271a442c71258550f7bd357/28723576763.pdfIn PDF document text
- http://soldearenales.com/galeria/files/34463783170.pdfIn PDF document text
- https://blugarden.eu/file/xuwanupakasamubom.pdfIn PDF document text
- http://naturalmis.com/userfiles/file/83285755042.pdfIn PDF document text
- http://king-ber.com/UploadFiles/file/20210905084813778.pdfIn PDF document text
- https://hargagila.com/uploads/image/files/8227258584.pdfIn PDF document text
- https://birsamundapark.in/userfiles/files/duvasovekulirevivo.pdfIn PDF document text
- http://orthopaede4you.de/userfiles/file/nuvej.pdfIn PDF document text
- http://madinagirls.com/easydo%20v2.00/files/uploads/56223189418.pdfIn PDF document text
- https://www.bramfordgc.co.uk/ckfinder/userfiles/files/bovatedod.pdfIn PDF document text
- http://ark-mr.com/data/home/qxu2063190031/htdocs/uploadfile/files/xovafanunizobudobu.pdfIn PDF document text
- http://www.adarshvidhyasankul.org/userfilesfile/ruvow.pdfIn PDF document text
- http://humidorio.de/ckfinder/userfiles/files/84529975190.pdfIn PDF document text
- https://kirmatas.com/userfiles/file/fukotopijekodadipusotep.pdfIn PDF document text
- http://ryouhurt.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gabomezupo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=subway+surfers+mod+free+downloadPDF link annotation
- http://pro.ovh.net/~tribuene/images/banque/file/bomukapuvewufaxubub.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_off0000cff7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFF7 | 10840 bytes |
SHA-256: c4d2ace86371408b81c0c193e91c291e9ce7581ae2614629a9e936d041fc7ffe |
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font_01_sfnt_off0000e903.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE903 | 17096 bytes |
SHA-256: df56ff6a7316f9e86a08e19f560cd84db66a0ed529cc13a4fde0ebc28f00872b |
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font_02_sfnt_off00011547.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11547 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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