MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a link farm hosted on multiple compromised websites, including WordPress installations. The primary URL, https://irlanc.ru/uplcv, suggests a lure for downloading potentially malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://irlanc.ru/uplcv?utm_term=9+days+novena+for+the+dead+bisaya PDF link annotation
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/16073e885bc9bc---31037725839.pdfIn PDF document text
- https://cardion.dk/gfx/fckimages/file/pogedanitiza.pdfIn PDF document text
- https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160831bba41153---29671227321.pdfIn PDF document text
- http://buergerforum-tirol.at/file/27899350047.pdfIn PDF document text
- http://primebrokeragetx.com/ckfinder/userfiles/files/xojodekiluzobolefazarik.pdfIn PDF document text
- http://a2itsolutions.com/chop/multimedia/userfiles/file/56721598402.pdfIn PDF document text
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/b9b078f30aaf3d5174fd1f3075390b55/32564021914.pdfIn PDF document text
- https://aparcaderoshaddaichile.cl/uploads/images/files/fusurekotali.pdfIn PDF document text
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160a566e0282ad---38535983882.pdfIn PDF document text
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/caf47eda152a48f71b0c0222b250ce6c/46464314459.pdfIn PDF document text
- https://jgmurphy.com/wp-content/plugins/super-forms/uploads/php/files/c0cfe215852433964f67f3bd6140a8b5/vixapiderexedadolita.pdfIn PDF document text
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073b28fdd429---66350882200.pdfIn PDF document text
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/cae1a8898378c2bc8c5d7b929f1b1947/wunidu.pdfIn PDF document text
- http://vom-ragnaroek.de/uploads/file/85384901191.pdfIn PDF document text
- https://www.hotwaterfactory.com.au/wp-content/plugins/super-forms/uploads/php/files/8417ea0e8575cbf68d23235b9f836c5f/biwokatepaz.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_off0001361a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1361A | 5324 bytes |
SHA-256: 9c33abd9ebc8453340bedf7aed9780fea8d49b7670197a8bc6eba769a2cff683 |
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font_01_sfnt_off0001483a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1483A | 15168 bytes |
SHA-256: 13f13c1336ff5f3ea174e1513fb1d7a84b41cb5e271c39d7bc37e62db7cd3e4c |
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