MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous embedded URLs pointing to compromised WordPress sites and other disposable hosting, suggesting a link farm designed to redirect users to malicious content. The document body is heavily obfuscated and appears to contain metadata rather than user-facing text, further supporting a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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=pubg+dj+mp3+song PDF link annotation
- https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/16f45268a440225986d12774d8dcb43d/veverumetujoma.pdfIn PDF document text
- http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b16ecc70067---gemagokawaraxota.pdfIn PDF document text
- https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/r0tkn4a1irckrgrf59sr25ila0/84842082809.pdfIn PDF document text
- https://electrabicycles.pl/app/webroot/uploads/file/16216658710497.pdfIn PDF document text
- https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af0733a4cdb---vevoto.pdfIn PDF document text
- https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/khr00v82na9snl7ksiu32i5hvg/25127248227.pdfIn PDF document text
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095ca73f35fd---lafuvugum.pdfIn PDF document text
- http://globeksa.com/ckfinder/userfiles/files/59422802612.pdfIn PDF document text
- https://egyiksem.hu/uploads/file/bewalofanatubedisut.pdfIn PDF document text
- https://aduanaldelvalle.com/userfiles/file/tuladejuvagaxeg.pdfIn PDF document text
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/a668f9cec1a74e7946d44a246bf99c5f/57748137301.pdfIn PDF document text
- https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606d9c495d5ad---fazigufojorejedewitulul.pdfIn PDF document text
- http://pogotowienaukowe.com/Upload/file/9050092891.pdfIn PDF document text
- http://jarosi.hu/files/file/7474877570.pdfIn PDF document text
- https://cplastik.cz/data/cms/file/47355752254.pdfIn PDF document text
- http://princeverma.in/uploads/files/81797218453.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e162.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE162 | 4960 bytes |
SHA-256: 28b55e76b80f011c731222f8271bf19459c6813f1beb965a06bb22783f40cfc5 |
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font_01_sfnt_off0000f218.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF218 | 12196 bytes |
SHA-256: cf56f45c05868ff128cd173bc16896e211af0e003661902ed7b0de1327d11d25 |
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font_02_sfnt_off00011a95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A95 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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