MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classification and ClamAV, indicating a phishing or malware distribution attempt. It functions as a link farm, containing numerous URLs pointing to compromised WordPress sites, likely serving as a distribution point for further malicious content. The presence of multiple links on disposable or compromised hosting reinforces the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/7b97ed6880840bce7a986f8c7eeb7459/36226587859.pdf
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/add7fa976962d9bc4bd62e87e23d8436/33913251404.pdf
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/3d5d662331b4dd6dc93227fb23f7987b/fevebarawusiwawedogin.pdf
- http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/160763b1d38a9f---pudojojiniwuralulo.pdf
- http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607ecfa540749---4701448875.pdf
- https://alteanetworks.fr/img/file/gamafelonokajor.pdf
- http://animalscipublisher.com/files/upfiles/file/wuwaxamofodesujevasete.pdf
- http://vitali-schulz-eiskunstlaufen.de/userfiles/files/kinivuvuzetola.pdf
- https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/v0r95b610h0s1ka03n8v21uk7e/wasebada.pdf
- https://www.colours-of.com/wp-content/plugins/super-forms/uploads/php/files/t34l9c8a4na24b5glm08hnpiv5/96055737298.pdf
- http://perfekttorun.pl/pliki/lexaribomasapumemifo.pdf
- https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077062b128a8---tetuxutij.pdf
- https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609ffa4f0b599---natixatefupu.pdf
- http://www.bash.cl/media/file/gumubaxawoxabuvijoz.pdf
- http://pagyesa.org/userfiles/file/20210608141714.pdf
- https://lightspec.com/wp-content/plugins/super-forms/uploads/php/files/6838f44ae42013f3aeecb6aa1b0c8a02/pawopalu.pdf
- https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/2344eb98346c337cd4345213b98c15f0/zapegaxovibukopipe.pdf
- https://prosegik.com/wp-content/plugins/super-forms/uploads/php/files/59b7e5f10198405f3ddb095327dd5998/vatiluf.pdf
- https://ceral.pl/ceral/pliki/file/91728047448.pdf
- https://fulzugaskozpont.hu/files/jegefufixajodapukil.pdf
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a360e23410a---66264279599.pdf
- http://aceonlinementors.com/userfiles/file/morobovojege.pdf
- http://cfacgroupe.com/uploads/FCK_files/file/rufomuribiw.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=synonyms+for+angry+and+sad
- 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_off0000e9ee.bin14dfd746ad666c837d5d6a82a82bb4e07a6c92e131e34ece56bcb97f4f503e9e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9EE | 17628 bytes |
font_01_sfnt_off0001175e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1175E | 16792 bytes |
font_02_sfnt_off00012f75.binfd03acef915945744cb6a4ffb0545f242acd8879e5c4b12fbeae563533cf0b1e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F75 | 10516 bytes |
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