MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript, which is often used to redirect users to malicious sites. Multiple heuristics indicate the PDF acts as a link farm, pointing to compromised CMS uploads and disposable hosting, suggesting an attempt to distribute malware or conduct phishing. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://cbcom.eu/ressource/site-image/files/senabonesamumelil.pdf In PDF document text
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/612398c5a318ea3b663c2cf473d86b1a/nulifuxutomozuduliko.pdfIn PDF document text
- http://all-vehicle.net/js/upload/files/boniwenudakuvekot.pdfIn PDF document text
- https://abofahed.com/userfiles/file/kagivusaxo.pdfIn PDF document text
- http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161194f681d8c4---97632184261.pdfIn PDF document text
- http://ecogestval.com/userfiles/file/64678785612.pdfIn PDF document text
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b810f197d74---22061505399.pdfIn PDF document text
- https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ec65e52a40---xesepuzamoxitewosuwab.pdfIn PDF document text
- https://yingzhaoliuart.com/upload/file/38233291947.pdfIn PDF document text
- http://h-st.nl/bestanden/files/dirodilujoxep.pdfIn PDF document text
- http://hiroi-es.info/yamituki-n/uploads/files/milutaw.pdfIn PDF document text
- http://allseasonsart.com/uploads/fck_uploads/file/51178495675.pdfIn PDF document text
- http://goref.ru/files/file/tukutimovaredojerikibu.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611f95ec3a506---98856329692.pdfIn PDF document text
- https://learn-atdi.com/uploads/files/36960203351.pdfIn PDF document text
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607e135b571cd---bezolusafimuberut.pdfIn PDF document text
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/2jk9v0tdpd5tp47dssh93kj8e9/vojuke.pdfIn PDF document text
- https://useoneconvo.com/wp-content/plugins/super-forms/uploads/php/files/06d47e744b09436d6ee782a158c5411a/sopulurov.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16123a947d7b61---13066187055.pdfIn PDF document text
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b81e95106fd---25625374068.pdfIn PDF document text
- http://kowel.com/ckfinder/userfiles/files/1622433363.pdfIn PDF document text
- https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160812b880c75c---verojufobetu.pdfIn PDF document text
- http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160dbe180a8d23---vorosotemelejixazezufidem.pdfIn PDF document text
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbe5fdef881---25670551327.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607eb4e612884---45442394238.pdfIn PDF document text
- http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/masad.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=stephen+king+in+the+tall+grass+pdfPDF 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_off0000e034.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE034 | 17896 bytes |
SHA-256: a1dbdba1c3f4f82ffc8f59fb98fc962d499ac6e6b0e0963b3243672078d27b8d |
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font_01_sfnt_off00010eb7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EB7 | 10824 bytes |
SHA-256: 60992b44470f58fa2bb20975f8b263eb4a38b6d4724bdfe207456640fdb7947d |
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font_02_sfnt_off00012766.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12766 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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