MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains numerous embedded URLs, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to potentially malicious content or phishing sites. The presence of these links and the overall structure indicate a phishing or SEO manipulation attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://jxloanchien.com/style/postimage/file/74154914975.pdf
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/e85298c75cea9722473716da7c8a4c5a/tekepekukosebidorelewer.pdf
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/9a380049ab1dca0a11649390ca9cf37b/3959133633.pdf
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ae6355cc5b4---kejetajexakitunanuj.pdf
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e986a9e5bb---lofokitijazudito.pdf
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/160da3cc9706c6---60246980270.pdf
- http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075b6899d7b9---38507230608.pdf
- http://canvangdientu.com/images/file/60234659826.pdf
- http://konemara.hu/userfiles/file/pupubano.pdf
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/16090bf0d93bd9---18955945599.pdf
- http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a3984dd77ea---58750720473.pdf
- http://www.alexgis.com/siteuploads/editorimg/file/bejixezusad.pdf
- https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/8fllb02cuhtt2t89unnd5f04il/bovete.pdf
- http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608536ccb58ee---nulofefuzowi.pdf
- https://fajanav.com/aym_image/files/fimexite.pdf
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b20e0bcd0ce---63699635570.pdf
- https://lastcallslc.com/wp-content/plugins/super-forms/uploads/php/files/f76908d51ec392a054b8d747b7b0733f/lokepevodeluxid.pdf
- http://ranaghatpchsschool.org/userfiles/file/daxejofugidaz.pdf
- http://andrenickels.de/ckfinder/userfiles/files/wagubodopadoberob.pdf
- http://dlzj.net/upload/files/20210703135536252847.pdf
- https://ebooksweb.net/files/file/46176367102.pdf
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/o4k1jeldpis9p7eed1o7pp6h22/bobeloweberasujadu.pdf
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dba277fe27---30443441660.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=how+to+insert+a+table+in+excel+cell
- 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_off0000e7a1.bin513e19478b5a068192593511863231b354bbeb6cd997c42c077a7caf56f7ae86 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7A1 | 16924 bytes |
font_01_sfnt_off000113da.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113DA | 16792 bytes |
font_02_sfnt_off00012bf1.bin5e1ea811e750864bd0915c70f52fa1e0925730ba091f2ea6a54a899732a02079 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BF1 | 10544 bytes |
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