MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised websites or disposable domains, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, with the PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristic specifically highlighting the use of compromised WordPress upload storage.
Machine Learning
- Nyx PDF Classifier malicious score 0.9969
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://constantemails.com/userfiles/file/1626957093sefimezoderotibuwubebunos.pdf In PDF document text
- http://hookmyweddingup.net/clients/73542/File/59877648736.pdfIn PDF document text
- https://barcelonacentremedic.cat/files/galeria/files/vulowakuvubijajutopemo.pdfIn PDF document text
- https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/360779230d73244be074f9b6151ada47/93673345274.pdfIn PDF document text
- https://mszukam.pl/dat//file/loneturogununi.pdfIn PDF document text
- https://louvre.lv/res/wysiwyg/file/mebemureg.pdfIn PDF document text
- http://cmtsport.com/pliki/xixozel.pdfIn PDF document text
- http://52963566.com/upload/file/202108220619480839.pdfIn PDF document text
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/160812eab26bc6---genunizulod.pdfIn PDF document text
- https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b5b5a943747---88568730338.pdfIn PDF document text
- http://vizcsap.hu/files/file/bikesagokanuf.pdfIn PDF document text
- http://purofirstli.net/userfiles/file/rebukisajotidila.pdfIn PDF document text
- https://poojaindiangrill.com/nbloom/fckuploads/file/66061773843.pdfIn PDF document text
- http://mawratanews.com/armedia/uploads/files/dizepipexuwuk.pdfIn PDF document text
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16093dd535fbce---guvifonokulabewifipuvo.pdfIn PDF document text
- https://bursac.net/userfiles/file/xikoda.pdfIn PDF document text
- https://mps-india.com/userfiles/files/41043691918.pdfIn PDF document text
- http://holidayinntorino.com/userfiles/files/98777451295.pdfIn PDF document text
- http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608ee50abab82---jexukugivodekalo.pdfIn PDF document text
- https://aduanaldelvalle.com/userfiles/file/31003669434.pdfIn PDF document text
- http://riccaassociati.eu/userfiles/files/durefawarikaf.pdfIn PDF document text
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1607b6be36dfc3---sexekatolorejuxukote.pdfIn PDF document text
- https://www.escon.it/wp-content/plugins/super-forms/uploads/php/files/0e83635754925c2c9050b733591ab5f8/77390657803.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=2016+subaru+impreza+service+manual+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_off0000fff2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFF2 | 20952 bytes |
SHA-256: d67db9275aafb054020008f3ea6705b6a06025f29a5f11d3a84fa9cb0df72011 |
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font_01_sfnt_off000136e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136E7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014efe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14EFE | 11296 bytes |
SHA-256: eecacb2ab62f7fa9e7fd14844b6197ee21912384a2df1048f1ecaee0985caa90 |
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