MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links to compromised WordPress sites, suggesting it's part of a link farm designed to distribute malware or phish for credentials. The embedded content, though heavily obfuscated, appears to be related to software downloads, reinforcing the phishing lure.
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://philabc.ru/uplcv?utm_term=whatsapp+ios+7.1+2+apk+download PDF link annotation
- https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/922795de739545bf4d90ee251a97d7e6/piburipolotozol.pdfIn PDF document text
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/c425d54cf3bedfa83dfaa855e3c67f6b/furupa.pdfIn PDF document text
- https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/46e84029c77168ea69114d4a6e578e27/8334924638.pdfIn PDF document text
- https://www.eoluk.com/wp-content/plugins/super-forms/uploads/php/files/q3o2vspicsb0i2i3kirtnl0jgj/sulanizoxidasasifofivez.pdfIn PDF document text
- https://www.engltg.com/wp-content/plugins/super-forms/uploads/php/files/35ec101d356c6bff5ba34b894155678c/wosokexovupofiwora.pdfIn PDF document text
- https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/g2j1ii6i5qtbe0q4nrbjdfr5a4/63461693876.pdfIn PDF document text
- http://aftckwt.com/uploads/file/tufugatixuzatagasos.pdfIn PDF document text
- http://apluskleaning.com/admin/images/file/32304334626.pdfIn PDF document text
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5acab1ee4a---11794350719.pdfIn PDF document text
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/16078ec070f03f---90446205808.pdfIn PDF document text
- https://rosemonttherapy.health/wp-content/plugins/super-forms/uploads/php/files/n60ka4irpq99li47jpduss96dt/robowojukawoxevidi.pdfIn PDF document text
- https://www.lindopoint.it/wp-content/plugins/super-forms/uploads/php/files/834fc9613175f4eea1d70f26faa658f9/7839036832.pdfIn PDF document text
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bf8f0068fdc---wudedugo.pdfIn PDF document text
- http://wksystems.net/HotelEstimator/userfiles/file/rowufijexajumo.pdfIn PDF document text
- https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/6022601a64c4f52b55fa48412206943a/rakadodetiliraj.pdfIn PDF document text
- http://digitalpolicycouncil.com/imagenes/file/kiboluroxa.pdfIn PDF document text
- http://bandenplaats.nl/cmsimages/file/tekamoxerajope.pdfIn PDF document text
- http://edgecs.net/documents/58277157559.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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_off0000eeb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEB1 | 5416 bytes |
SHA-256: ff5b7ffe8d99faa5769facc8291d42e2566f7ea860c57060ed0d9d56c2a46bc8 |
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font_01_sfnt_off0001014b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1014B | 10664 bytes |
SHA-256: 1eaa4e282230c5ba2347252ea151340f1fe3e19b238e9067eb3b1f37fd6dd7a8 |
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