MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm pointing to compromised WordPress upload storage and other disposable hosting, suggesting an attempt to distribute malicious content or phish users. The embedded URLs, such as http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/nuth34j2ucsvtu25m5jq8p4imj/41475544702.pdf, are likely part of this distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9919
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://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/66hdrr86humkpllr686m6r83n2/manaxidurenuxi.pdf
- http://needychild.org/ckfinder/userfiles/files/gakuxamanizofemogaluji.pdf
- https://www.myosiaffiliate.com/199trust/img/file/1672626842.pdf
- http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/nuth34j2ucsvtu25m5jq8p4imj/41475544702.pdf
- https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/a9c368f4105dadfeccec004540360a14/zajowejonopezigo.pdf
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/316e67fb92579ba421efe5ac00510bcf/mavuweposov.pdf
- https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b568acb4a69---ratugumumafafuwesabuv.pdf
- http://vdadanang.vn/app/webroot/assets/files/82429635780.pdf
- http://paitoonbox.com/userfiles/files/65642769975.pdf
- https://condominiovillage.com/userfiles/file/gugopopatu.pdf
- http://geose.ru/userfiles/file/27533164692.pdf
- https://www.leadercaravans.com.au/application/third_party/ckfinder/userfiles/files/84016404015.pdf
- http://robertoantoniz.com/resources/original/file/38699022085.pdf
- https://adepotcustom.com/UploadFiles/file/20210504084902159.pdf
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/b2pjulq38chfu8chgbdrur10m2/2384408417.pdf
- https://planet-for-events.de/userfiles/file/wugojorafep.pdf
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cd9c2bb7d7---vudugijupesasedoxiraporo.pdf
- http://siciny.pl/userfiles/file/pafim.pdf
- http://guoyangmoju.com/userfiles/files/2279109384.pdf
- https://tosto.cl/ckfinder/userfiles/files/90797712993.pdf
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8535bc07a7---jerosi.pdf
- http://potentialdesign.cn/userfiles/file/1627806496.pdf
- https://africanresearchcenter.com/userfiles/file/44737870979.pdf
- http://arebiatours.com/uploads/files/50101698168.pdf
- http://firmykominkowe.pl/Obrazki/edytor/file/dupulafowamomokulisodamim.pdf
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b5c931105f0---83233235900.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=who+is+the+best+character+in+smash+bros+ultimate
- 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_off0000f344.bina8b601d3c1f4b69e16a1f1330dc9bcb8491d1b27d17ad543c58f7cc77cffabd0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF344 | 10728 bytes |
font_01_sfnt_off00010bc3.bin4e3fd83fd19078cc7f210e43f241a0d3215e67e8c08c3f0a353e7c8e497a8660 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BC3 | 17880 bytes |
font_02_sfnt_off00013a82.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A82 | 16792 bytes |
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