MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by ClamAV and an ML classifier. It contains numerous external URLs, many hosted on compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
-
ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
-
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.
-
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.
-
External URI info PDF_URIPDF contains an external URL action
-
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.
-
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=misty+chord+melody+pdf
- https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/5e19325f1d67efa6099b11b8f4309066/6459101020.pdf
- https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/666g06ntd0lgkjhgqus2gg9ht3/3163754219.pdf
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606e1f1959d58---50760199415.pdf
- http://aklond.com/UploadFilesfile/%5C/2021051322002357.pdf
- http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608da75214585---nonep.pdf
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160a9c579cbb40---85433702119.pdf
- https://tckontrola.hr/files/xeriwiwojimidotodida.pdf
- http://farashimirooz.com/files/mafoxagako.pdf
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/5ce4b420f61a9275db13d55c31d514a6/66321507472.pdf
- http://osc-pribor.ru/products_pictures/file/56667354818.pdf
- http://myboydfamily.com/clients/7/7f/7f513a2250c12de81a70a6735749c289/File/63478495264.pdf
- https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/9fa8969d64147897cd1e2694dd8b3bc0/12342379556.pdf
- http://daoltrading.com/userData/board/file/28282045872.pdf
- https://energooptima.hu/upload/File/japukela.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cd8f913c17---3406951870.pdf
- https://www.vedaaz.com/wp-content/plugins/super-forms/uploads/php/files/3ba0a5ee7624b96ecd6725252c32b37f/vikolurixodomowezaw.pdf
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c155ace5a16---26093949126.pdf
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/67847828b2389b640895b468a0cbb8b0/37345042353.pdf
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160717105d75b9---93664342575.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d3ae.bin4fd93bdfc28d11b920f420590e1070e087bd62bddf5de7f2f363f7030cb2bfc9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3AE | 5292 bytes |
font_01_sfnt_off0000e59b.bin9a327cd56be4d9d5cec0f208c4325fac80c237893450ea6a70ab713637c8ff66 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE59B | 10932 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.