MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript, which is often used to exploit PDF vulnerabilities or redirect users to malicious sites. Additionally, the PDF hosts a link farm pointing to multiple distinct domains, many of which appear to be compromised WordPress sites, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://aawyx.com/sites/default/imageuser/file/nanepifoxizazizid.pdf
- https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/2b7ce249be7f1727ea45eb59e2546512/43027520736.pdf
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160881af744fc1---11252441322.pdf
- http://skyfestival.kr/ckfinder/userfiles/files/wolezifasugi.pdf
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/521193565159b3c1b7be0ead5b4c405b/begedadawemon.pdf
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/a19ebefbc4d9a397386d683a4a7ec6f5/24948455165.pdf
- https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b28e51913f1---dobuvotorogox.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acda49b131c---10339292082.pdf
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/81ab9e5699b2efdef4b406232b2cb4f1/42497644468.pdf
- https://pass-eco-energies.com/ckfinder/userfiles/files/mizarutujegij.pdf
- http://vimar.ua/userfiles/files/69793501347.pdf
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070a5cc9ce07---70902766054.pdf
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afdfd4bec08---latemojikunilux.pdf
- http://www.tsahimmongol.com/uploads/images/files/63190164701.pdf
- http://fireprovietnam.net/luutru/files/viloripuzulu.pdf
- https://kis-u.com/page_data/file/20210624114953.pdf
- https://skyzoan.com/cake/beta/userfiles/file/48233439527.pdf
- http://babywagen24.de/userfiles/file/25393440608.pdf
- http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1fe16c5604---xeditumukaxogamop.pdf
- http://mackyz7automotive.com/js/upload/files/51087347651.pdf
- https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c77992e9389---48110405593.pdf
- http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/16070b3fb9e113---kutat.pdf
- http://josephlillianmorrisfamily.com/clients/59960/File/85465914549.pdf
- https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/4ca302a02e66474cee6773a4dd14ee92/tazakigewe.pdf
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/2f5f8523b2f1b4ffc5464a8b10fbe28c/6829658498.pdf
- https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/ci9ls89c77s5damnjm43goig06/fapavuvaxegesi.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=mercury+toxicity+in+dentistry+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_off0000de09.bin7871db84e61f87c4084a3211d77ca57951a4356d27f6525d200b86b9b510711f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE09 | 16776 bytes |
font_01_sfnt_off000109cf.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109CF | 16792 bytes |
font_02_sfnt_off000121e6.bind0ba2a445827a7ac6114c75dd6b17d535a94df2ee41ac641c84123046a3e6951 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121E6 | 10712 bytes |
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