MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a link farm pointing to multiple disposable domains and compromised WordPress uploads, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious document, likely delivered via spearphishing attachment.
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 http://cuacuontoanthang.com/media/file/tezub.pdf In PDF document text
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/ccc6061491b42e64410e2c2c2a81a754/fenumipuxanewaku.pdfIn PDF document text
- https://aradovan.com/userfiles/file/18250031225.pdfIn PDF document text
- https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085ba5ccafea---18376570591.pdfIn PDF document text
- https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/616516c2424154e564ee3762da9f23cf/69606435122.pdfIn PDF document text
- https://agrachoff.ru/wp-content/plugins/super-forms/uploads/php/files/8e35e12d1454217f1d7f7b0b72df3142/zaxeferasuvovusexebedivos.pdfIn PDF document text
- https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e4c3aeffbb---mutilemigel.pdfIn PDF document text
- https://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/da4bf9ba8bbf4e333284b63fdadc7dfd/tokapiriwala.pdfIn PDF document text
- https://footballsod.com/images/ck-uploads/files/nawebasegagiguna.pdfIn PDF document text
- http://capitaloffice.pl/fotki/file/vamolijod.pdfIn PDF document text
- http://tuanayapim.com/rsm/files/makugedadunijukave.pdfIn PDF document text
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607bc5c262d59---fobitorujenovonefijobusud.pdfIn PDF document text
- https://norservis.com/files/files/ketezolamagewinepenetuta.pdfIn PDF document text
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/4bbdaf34040222a5e4e9abe18f1cbb98/23482679174.pdfIn PDF document text
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bebd33b6dea---59628696678.pdfIn PDF document text
- https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/f868fc99a6a0a28254da057f33aff603/62675792059.pdfIn PDF document text
- http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16091bc5d21dac---sodepunoliza.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/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=ejercicios+trigonometria+1+bachilleratoPDF 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_off00010943.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10943 | 5436 bytes |
SHA-256: 78d4dc72534276ee01d72e74f414a4614500a6ca95a21da40b1e8b4f681097c1 |
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font_01_sfnt_off00011ba1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BA1 | 13544 bytes |
SHA-256: 71a32cf8ef1922a95ef153f59735e97c442dcb485efb9eaf62a7329ce33953c8 |
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