MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains embedded JavaScript and a significant number of external links, many pointing to compromised WordPress sites. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery through a link farm. The embedded JavaScript may be used to facilitate the redirection or exploit vulnerabilities.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
Heuristics 7
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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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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 https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/732175fe88fe21cab5dbeb430e855df4/84482541881.pdf
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160d503903c434---tudipenu.pdf
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/16075ff5812100---37274222856.pdf
- https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/b619441e59361351ef28df685b956881/5969900308.pdf
- http://automsystem.com/UploadFile/file/20210504005723853.pdf
- https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/490724adaa257d6e4c0aff8e468a2e96/golufazutuzebuxe.pdf
- http://leinerpakgelatine.com/survey/userfiles/files/52484139753.pdf
- http://volvo-cars.jp/js/upload/files/pilofu.pdf
- https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/8690305ce6eb203456e84f266e874db3/pujekobibomokis.pdf
- https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/9e411dd45d1e8f3641eb16b9509830e0/50283588899.pdf
- http://kondicionery-ivanteevka.ru/upload_picture/file/53222478462.pdf
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/160c17d14f11e9---zawosovubimogazurux.pdf
- https://ensasoft.com.tr/wp-content/plugins/super-forms/uploads/php/files/4efqd2t1ool6cn9294jt5u54o1/nosem.pdf
- https://clubforeducation.com/FCKeditor/userfiles/file/72412059087.pdf
- https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/dd91413c1c0fc6cfa8d18d6613cc2417/47659349571.pdf
- http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/1bt9pm3pq141jr0bbcricaep13/71396780853.pdf
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/160773d7ebee6f---26777272325.pdf
- https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d9b7648a1b7a8d6c33ce6d9549d50d3d/25272327173.pdf
- https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/r18vo695g7dvmhl4kpfmqjd2s0/nexukuzetozowesivukoroxo.pdf
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/16085e5c84b04c---xufobefim.pdf
- https://hssipm.com/wp-content/plugins/super-forms/uploads/php/files/f2dbb6149be890132f4e097ff3ddfb1c/31043811367.pdf
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606d8396015c7---ganovamekerazamovixu.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=kamana+lakehouse+queenstown
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/55cefb125c0316a947d94b686c558558/wijepamipedojorupu.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f918.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF918 | 16792 bytes |
font_01_sfnt_off0001112a.binde3935bb297d0c53945021dfe833ae158df9912be7be271c630e58d4ec6054ff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1112A | 18336 bytes |
font_02_sfnt_off00014016.bin21bb0b352697526927ea8797d7fcfe0a3c9b4a821cc86642951041f44375678e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14016 | 10596 bytes |
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