MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised CMS uploads, suggesting a phishing or SEO poisoning attack. The embedded URLs, many hosted on disposable domains or compromised WordPress sites, are the primary indicators of this malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/28gnjpatf9mqcdg7or0fpsdnbd/gubufar.pdf
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160797d06793ce---losena.pdf
- https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/160c95f7deaf86---fazuwaz.pdf
- http://kaies.cn/upfiles/210713173440700285mor2yt.pdf
- http://tourbusan.net/FileData/ckfinder/files/20210717_53C99ADB8625742B.pdf
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/160cac9c604e46---vamibuximitibupuvudek.pdf
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084783a6dfe8---vevejizumuzadodenuxetonis.pdf
- http://www.pzkexie.com/up_files/file/1501977882.pdf
- https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/e7a8553954ae269731a81903a3dac50e/2189018580.pdf
- https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/6mie4mg8vu2iafrg84e84fnfsl/52185663505.pdf
- https://tourpon.kr/FileData/ckfinder/files/20210627_34FA126F56BA5A4A.pdf
- http://goldenbaycruisesagent.com/userfiles/file/6217684711.pdf
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/1608fd8e421ac7---nukilalelifole.pdf
- https://anctools.com/ckfinder/userfiles/files/71421877290.pdf
- https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/74a2f0d9e71efa5c70e2cce88f32bcac/zilitad.pdf
- https://aradovan.com/userfiles/file/995329172.pdf
- http://bularz-auto.pl/images/userfiles/file/xerusuboravaza.pdf
- http://alsumiri.net/wp-content/plugins/super-forms/uploads/php/files/026a2539eaf9d6e47d5eca6ea6de376c/pudaliwesinenapulo.pdf
- http://eviljoy.com/UserFiles/File/rulonalabupawufilawaj.pdf
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/79135b83da81b9f2af8672c2c1ffcf7d/megajo.pdf
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ac5e9941180---96722338446.pdf
- http://regimhotelierbucuresti.com/images/userfiles/samexedujovi.pdf
- https://www.sacda.org/wp-content/plugins/super-forms/uploads/php/files/llg22vt0chvk547qpcee64v1g4/xejed.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=acido+salicilico+formula+para+verrugas
- 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_off0000e1b8.binbd755bfe8ee3b5066f93d9e51ebaa6b395cda741ff5a8492d407fc595eb63c72 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1B8 | 10908 bytes |
font_01_sfnt_off0000facb.bin9fd2542d26f3523449693ca76903a44aa9e38c59b43e9b65681dd03191464bd0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFACB | 17648 bytes |
font_02_sfnt_off000127cb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127CB | 16792 bytes |
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