MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm pointing to multiple compromised WordPress sites and disposable hosting, suggesting an attempt to distribute malware or phish for credentials. The document body, though heavily obfuscated, appears to be a lure related to a textbook, likely to trick users into clicking malicious links.
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://perles-del-beya.com/userfiles/file/ravajudonifex.pdf In PDF document text
- https://agatanorek.com/files/file/84445999761.pdfIn PDF document text
- https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/7v3l71h5mijveocudfuoptbb96/74976958176.pdfIn PDF document text
- https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/19ee682ba5907fe55961378a3d459774/nobetigozoma.pdfIn PDF document text
- http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093b7af9c67b---56076078739.pdfIn PDF document text
- https://makemycake.gr/wp-content/plugins/super-forms/uploads/php/files/9oc05k9h9t4qnsdlvfoman8etr/31444404609.pdfIn PDF document text
- https://transpack-krumbach.de/_upload_bilder/_filemanager/file/31793625601.pdfIn PDF document text
- http://texmet.pl/userimages/file/tozobamejufavufisarovira.pdfIn PDF document text
- https://nhathuydesign.com/wp-content/plugins/super-forms/uploads/php/files/1cha2qhi0hn6104cehefsnjsbl/52569432768.pdfIn PDF document text
- http://tubietelbar.hu/uploadfile/41412955759.pdfIn PDF document text
- http://beiwendq.com/userfiles/file/ponulomelavawejirinixi.pdfIn PDF document text
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607f8ef7d9fbf---babutefeponu.pdfIn PDF document text
- https://planet-for-events.de/userfiles/file/91028084230.pdfIn PDF document text
- https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/1a8122febf007374af6f7c30467db425/sogaweragibajaxox.pdfIn PDF document text
- https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/7cngl1mom5rh441egl4lekrrdr/43760932396.pdfIn PDF document text
- http://relocationservicesgroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c98e07fcbf---gufomikuz.pdfIn PDF document text
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b730a2d0cea---gavajefiseni.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/~3/1xuhb7AK25c/uplcv?utm_term=organic+chemistry+john+e+mcmurry+8th+edition+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_off000114ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114EC | 5936 bytes |
SHA-256: f9a413d2393dd7b49b093cca140fb3b224c029265dd2e652b5b9b7effddc9ae6 |
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font_01_sfnt_off00012900.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12900 | 10260 bytes |
SHA-256: 837acb8404ba20125be7ea2dae43264f0a7342d99883eb1351077776f328ab81 |
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