MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document is classified as malicious by ML models and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to compromised WordPress upload storage and other disposable hosting sites, likely to deliver a secondary payload. The presence of embedded URLs and the heuristic firings related to link farms and compromised CMS uploads strongly suggest a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 https://aslimitada.com/userfiles/file/80730387277.pdf In PDF document text
- https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/4853558103b9bab5d268c1ddaf26793e/62943857313.pdfIn PDF document text
- http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/bd126dc6e416233edb7a7bcc7d1dbba8/17553419336.pdfIn PDF document text
- http://leakefamilyreunion.com/clients/63964/File/20783889161.pdfIn PDF document text
- https://biblioteka-koneck.pl/ckfinder/userfiles/files/34595733088.pdfIn PDF document text
- https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/364fbf9727b21199aebbebb77f5a2cc2/ganedowerekuterijeruvugob.pdfIn PDF document text
- http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab02438c3d0---36882873717.pdfIn PDF document text
- https://www.waterlooarmsnewforest.co.uk/wp-content/plugins/super-forms/uploads/php/files/93910fdff8bf670fabe01e1a569644aa/raralav.pdfIn PDF document text
- https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/685fbf65808d07a590db03877263d077/28599025351.pdfIn PDF document text
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c5a47e342a---mezipekogosegibeko.pdfIn PDF document text
- http://afgventuregroup.com/cfiles/file/79381323754.pdfIn PDF document text
- https://sacc-la-chaux-de-fonds.ch/fichiers/file/1676808037.pdfIn PDF document text
- https://www.helpforbusymums.com/wp-content/plugins/super-forms/uploads/php/files/c080508ec8af659ec12222e3c1aad3b2/widirezag.pdfIn PDF document text
- https://samarthanamparisara.org/apadmin/uploads/userfiles/files/69089042947.pdfIn PDF document text
- http://cascinamana.it/userfiles/file/7186661959.pdfIn PDF document text
- https://fanaf.com/article_ressources/file/75426915581.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=value+scale+worksheet+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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d822.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD822 | 5364 bytes |
SHA-256: f8913df9e0e5dbdc17085dd80f0ecc8ee6b008866be842dbb3bc357ab02ef0e1 |
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font_01_sfnt_off0000ea72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA72 | 12496 bytes |
SHA-256: 4f50448dd412f7c5bda9a9c4a5aca36a79de05f9b258d158664138754106b213 |
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