MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier with high confidence. It contains numerous embedded URLs pointing to compromised WordPress sites, which in turn host other PDF files. This indicates a link farm designed to obscure the ultimate malicious destination, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9923
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://pistant.ru/uplcv?utm_term=esters+are+functional+isomers+of
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1608ac5f8244e1---tefibok.pdf
- https://djennebeads.com/nbloom/fckuploads/file/7196713016.pdf
- https://www.aserspa.net/wp-content/plugins/super-forms/uploads/php/files/9qs9fmatqeeqllr36a82bpqsk9/51285254461.pdf
- https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/65188gspus77a8o769387otjnl/84541619798.pdf
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/ca53e886e2c03911129a585195ca0f2d/fuzanatiwudomifuweme.pdf
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc9bb4c888---tidamimen.pdf
- http://on-video.com/movies/movie_data/file/31485893074.pdf
- https://paklya.su/design/img/upload/file/11181839148.pdf
- https://lion-trading.co.uk/wp-content/plugins/super-forms/uploads/php/files/tb2el90kmk7k98jeatl023kru8/reliledudexa.pdf
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e2ed4e8fbe---98882255948.pdf
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092c91aef715---finirami.pdf
- http://curry-box-deluxe.de/userfiles/file/kavaxumu.pdf
- http://mtecommerce.it/public/news/file/timibulinavagasinagijesi.pdf
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16071fdef00135---11345789408.pdf
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/2f9t8vq90fh7neu59j94gjsau1/tupimuvebujo.pdf
- http://aimic.com/userfiles/file/falabok.pdf
- https://mfdesign.hu/files/file/68407066701.pdf
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/292f97ec7ba8b534af12a953fc6a662d/wemefijasedigagimejer.pdf
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/dfac19e9a7cde5cf8351d720001ddd57/mutuxibajipisixefugadabi.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086eb4dd183b---77670658187.pdf
- https://tonitomov.com/picture/file/25545896328.pdf
- http://peusch.lu/userfiles/files/jatesujafidomuw.pdf
- http://3suntech.com/UploadFile/file/20210620102025436.pdf
- http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16076220d44f60---19816279002.pdf
- http://contactconfiance.com/files/files/sexefa.pdf
- 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://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00012646.bin056aade340678af2279f3a8764dd30ce1b81dbd89909af16e1f72d8ebb4be48a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12646 | 10580 bytes |
font_01_sfnt_off00013e62.bin6791ec79eb01a0bfec49cdac15caa30fc41eba9c543f4b1f01af22e7e55bc80f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E62 | 18140 bytes |
font_02_sfnt_off00016ded.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16DED | 16792 bytes |
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