MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to numerous compromised WordPress upload directories, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The file's structure and numerous external links are consistent with a malicious PDF designed to lure users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bc45d86f454---pedesefozulopaxe.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c88510d876---86043539019.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a18e89c1ab1---77344517831.pdf
- http://talleresjpg.es/img/file/wagobubuxule.pdf
- https://b2cexpressdemo.com/userfiles/file/90668701803.pdf
- http://chickenwild.com/upload/contents/images/images/mikimidofedatonokejowuz.pdf
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/dp7pcgjq81ndchlghjgnr6di55/43134191186.pdf
- http://wxhsbl.com/ckfinder/userfiles/files/20210628_100948.pdf
- https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/7a76909830f48b496358a0087dd20629/pekumabi.pdf
- http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083e4ba749e4---jidurezoluwujaworup.pdf
- https://www.scilights.com/wp-content/plugins/super-forms/uploads/php/files/bf50175b1eb4124f9617fce03287d58d/besenovesolimozazeromebov.pdf
- https://advantagelic.com/singhania/downloads/file/18312868347.pdf
- https://wecareprogram.org/images/file/dodizoliruw.pdf
- http://secretinvitation.net/images/files/rodokatonatug.pdf
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606df60db3b6f---12775735039.pdf
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a2e65b4fdfd---bixesifa.pdf
- http://szpital-sulecin.pl/images/fckfiles/file/xejusigu.pdf
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/5o8mq31d9rct517r06fa2s37cv/20687092969.pdf
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d28059b9a1---soduxugazax.pdf
- https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/itj0v7gtho49uerifude854r7u/visutukujipakapugogewobuj.pdf
- http://thediamangroup.com/_images/files/1196166434.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=my+areolas+are+big
- 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_off0000f388.bine808e081a7d01d49d61e9c0f77bc892ff53bd13bf66183a1df83643bf1294486 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF388 | 10328 bytes |
font_01_sfnt_off00010af9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AF9 | 16792 bytes |
font_02_sfnt_off0001230b.bin03372992dfadf85317b48903339e2d2bbed698d8e81ac57d28ae33e7c53f70d2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1230B | 16728 bytes |
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