MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document contains a link farm hosted on compromised WordPress sites, likely serving as a lure to download further malware. Embedded JavaScript streams were also detected, suggesting potential exploitation or redirection capabilities.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/160871d1b1b998---58299390460.pdf
- http://sincaremedicaltour.com/js/upload/gelajeru.pdf
- https://liniagdanskzydowo.pl/files/kisugabunanuvid.pdf
- http://anthonyellisonfamilyreunion.com/clients/f/ff/ff850d76676c1858bf5e443b7a907d3b/File/48983424603.pdf
- http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bbec7ecb244---28845926649.pdf
- https://jgmurphy.com/wp-content/plugins/super-forms/uploads/php/files/9d52ad5bd919b46ce6a69360403d2310/75682424198.pdf
- http://hhs63.org/clients/8/88/88ec95b665b56da82b1de85f097fba10/File/rozomopazoxaduwukafoxe.pdf
- http://aloeverajuice.cz/files/file/nagavufemupagexapavexoju.pdf
- https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/8c32eacde1130841f54119ff4d5ce9c7/tizanoraji.pdf
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078e487b572f---xuweranuzofutefupusa.pdf
- https://vuaship.com/wp-content/plugins/super-forms/uploads/php/files/f9r03uh66s49vn4p9s8q29abei/jumuwigavojo.pdf
- http://scandirent-new.ru/uploads/assets/file/54387785453.pdf
- http://fszhenjia.com/upfolder/e/files/20210528211206.pdf
- https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/eb3d6dcba06603c754b9e5a88696c3bd/5496431178.pdf
- http://tw-sincere.com/upfiles/editor/files/sonawenubip.pdf
- https://lamthong-marchph.com/piceditor/file/67086763432.pdf
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16075272696401---80553572010.pdf
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160a0f2d1e4b82---moraruta.pdf
- http://karthikeyanjayaram.com/userfiles/file/35868813579.pdf
- http://pagyesa.org/userfiles/file/20210613005756.pdf
- https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/4c3340c0a90610befd61c5ff4120959d/87062223539.pdf
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16077c9c497deb---bobivojevemenamatuboxul.pdf
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/160b485948675f---90076713825.pdf
- http://wib24-admin.de/uploads/file/burubonolepazemuvo.pdf
- https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/4cee6acf478691b54421a7b95c058e65/tapinikefi.pdf
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fabb32f312---68126065862.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=download+spider+solitaire+for+windows+10
- 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_off0000ed73.bin2769c459a7e7ccd3fe8edb70cea0adaa637832e0562fc388d139d35afbe36ccb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED73 | 10752 bytes |
font_01_sfnt_off0001065d.bin32a2b2758fec48c7b28e5183f1032ff175f32f04116bbea13f55cbc34ef598f0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1065D | 16432 bytes |
font_02_sfnt_off000130ca.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130CA | 16792 bytes |
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