MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code. Additionally, numerous external URLs were found, many pointing to compromised WordPress sites, suggesting a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/lm9p02acduqv6lq0unf7sip2ds/gatenulisigofemuranitu.pdf
- http://studiotecniconuti.it/userfiles/files/fakas.pdf
- https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/e60bce202736013fe54c61fe3909781f/16422456132.pdf
- http://namlongprojects.com/images/uploads/files/21466466617.pdf
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607c1b884d248---pepemapepamo.pdf
- https://islandsvefir.is/wp-content/plugins/super-forms/uploads/php/files/1b8n294t8i82ulq4o0ck6g49s9/30243953366.pdf
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609474923f4a4---pexufuzedekap.pdf
- https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/f040d0f7438f993b7b2a460c22c9edb2/fevevisinowuvodotej.pdf
- http://crosswaysrecruitment.com/userfiles/file/pegosaxib.pdf
- https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/aplb60uhsul9gdgk7mm85edped/kereded.pdf
- http://c2ctrading.org/cms_upload/files/xizevojuvuruxabaw.pdf
- http://billsky.ee/files/file/14919904679.pdf
- https://www.kbstephens.com/wp-content/plugins/super-forms/uploads/php/files/5bd1345e931e9293bdcbb5204ff68dd8/37612105948.pdf
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/to6ipriu08o92aheieen87kbdh/33655084962.pdf
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/ab4303d8a5161d1fe97e60c3a6265896/wimaguzeduvu.pdf
- http://pune-india.info/userfiles/file/66593667339.pdf
- http://arserwood.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210504050546047116s4gb8j.pdf
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/bbe0ed7fdaa13f60d279b01d40b0b5ba/65746810057.pdf
- https://ckd-otto.com/contents//files/86974940928.pdf
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/48rlp3095g4otont6ob0i5da2h/kawowegenanugasix.pdf
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087237accf8d---2331055929.pdf
- http://harasim.cz/uploaded/files/12465629121.pdf
- https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/5a742606427a66a71c9bbd4c9508c48a/97771283560.pdf
- http://naturallabs.fr/userfiles/file/71210343859.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=im+injection+technique+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_off0000f4e5.bin035529f75b002294c5d4d2ec200e75652c57e5b8882b0a2570661c39fb4c8e6a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4E5 | 10736 bytes |
font_01_sfnt_off00010d0c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D0C | 16792 bytes |
font_02_sfnt_off0001251e.bin6979d9224d00fe6c1279a6048c3ce61a73a7e551256f4a4a82a1eccb53eafb65 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1251E | 18088 bytes |
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