MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm with numerous URLs hosted on compromised WordPress sites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious document designed to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9924
Heuristics 6
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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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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://studiospazioambiente.it/userfiles/files/38745761224.pdf
- https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/ad2ce2ed5dc9d1505e1437c38f007c91/vusujetonijopikete.pdf
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a53c57d166c---tenikapifonetixusates.pdf
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/8f0851fa6e2cc9726af035ba097932b4/33251586900.pdf
- http://ridendo.cz/files/file/72670874065.pdf
- https://heks-tech.com/app/webroot/userfiles/files/2634529909.pdf
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/19a64ebd7f9dc0688e49bb842b054cba/77419773883.pdf
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/2oa0mmh52thk975g9ujs8r6bj3/zoxes.pdf
- https://adian.eus/files/galeria/files/sufexoketemisipoxuleb.pdf
- https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/f00cb493304cd9946c97e440fa6bec8f/fuvilebawiwomirilisezev.pdf
- https://autosaloncenter.com/uploads/file/foxalegaxenisowef.pdf
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/aecaf62d2a399c0aed9ce9e95f6f2273/43111403164.pdf
- https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/0a4c1795e80974460902c788430b8858/17795504171.pdf
- http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/160d2065294786---zudolukotulufulajawen.pdf
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d5f7a792c2---zedulurapup.pdf
- http://russkiivopros.com/images/FCKeditor/file/kovanerobeluwosara.pdf
- http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607894caa274f---85071694920.pdf
- https://duext.com/wp-content/plugins/super-forms/uploads/php/files/583e397097621ca61d8127983bbb2967/23321861093.pdf
- http://outspokenholland.com/userfiles/fckFile/20210514210153.pdf
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/539c3d1e8e42f6ebf34e2af180614cb7/99313711130.pdf
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/16089bd717b21a---vufuxaf.pdf
- http://leilehua76.com/clients/4/4d/4d80c013f15dbe3c797666a457780dca/File/74519627643.pdf
- https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/160b3fb009f958---95504157593.pdf
- https://www.asahinadigital.com/wp-content/plugins/super-forms/uploads/php/files/ufari2vq0gibbsc6nvolocji7o/dojasafukivuditowarejevo.pdf
- http://soflocops.org/clients/83264/File/ziluxidiwalupavodu.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=maths+lines+and+angles+class+7+worksheet+with+answers
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec16.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC16 | 16792 bytes |
font_01_sfnt_off00010427.bind06246de5fbca08a8e71b3266423534d5cc020e17a1f81eafc946de7058d617f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10427 | 16088 bytes |
font_02_sfnt_off00011959.bin1a350c3dae5dd63a07a29f3e1fe3d4339400dc2be3a4c3ba135827745fcb4c69 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11959 | 18100 bytes |
font_03_sfnt_off00014961.bin737f5845096fd3317cd1839de5ed7356c18a5a59df74ff6a4a18f0b7b49b4121 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14961 | 10868 bytes |
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