MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by ClamAV as 'Pdf.Phishing.Trojan' and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm pointing to compromised WordPress uploads and other potentially malicious URLs. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure and URL analysis strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/7fa5129397576893948bfe164a1abbe2/14622467052.pdf In PDF document text
- http://baltyk.recykling-rejs.pl/imgturysta/files/wepurumunafunirula.pdfIn PDF document text
- http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608edf53e98f7---wetapopev.pdfIn PDF document text
- http://angelascanu.it/uploads/file/97616392211.pdfIn PDF document text
- https://poolpoint.be/uploads/file/zugejad.pdfIn PDF document text
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/6b66e75bd6d753a10969e947c93fa71a/42072561173.pdfIn PDF document text
- https://mindspacepsytherapy.com/upload/ckfinder_temp/files/20210613031831.pdfIn PDF document text
- http://www.heksan.com.pl/file/953505640.pdfIn PDF document text
- http://xn--80aaffebba2apgigwiiececnggk9e4k.xn--p1ai/pict/file/wusokubinazexefedirojeb.pdfIn PDF document text
- https://tasteadmin.com/ckfinder/core/connector/php/custom/wysi_uploads/files/63326952229.pdfIn PDF document text
- http://jinistudy.com/_UploadFile/Images/file/58853257907.pdfIn PDF document text
- http://stellamaris.cz/userfiles/7725986056.pdfIn PDF document text
- https://angkagenap.com/contents/files/kafedit.pdfIn PDF document text
- http://biomisszio.hu/tmp/35170938582.pdfIn PDF document text
- https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/d24595a319638104471a580546d6b55e/81289841862.pdfIn PDF document text
- http://dodici12.ru/wp-content/plugins/super-forms/uploads/php/files/kd63faijfurk6d310ogbraom10/72313942477.pdfIn PDF document text
- http://www.nbc.com.vn/ckfinder/userfiles/files/tofejet.pdfIn PDF document text
- http://alpanelektrik.com/depo/sayfaresim/file/91484806439.pdfIn PDF document text
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/b14fee2f1a7b65e97a5353ba2252ddad/buronatigegome.pdfIn PDF document text
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160738abe450c6---zotunuramuz.pdfIn PDF document text
- https://briljant-maleri.se/UserFiles/files/lagowirumibok.pdfIn PDF document text
- http://splogservice.ru/content/file/tumil.pdfIn PDF document text
- http://ukrainski-rosyjski.pl/userfiles/file/zagekavetupufozev.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/qn9dbk5iai6jvvfdnjao6p69mp/bujibajurevobukakosaw.pdfIn PDF document text
- http://catherine-massage.com/ckfinder/userfiles/files/serokivesuwaduvofi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=pfsense+tutorial+pdf+espa%C3%B1olPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cde9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDE9 | 17148 bytes |
SHA-256: def34f101fcd4db8d4f475e571318639903b8c033f3fecd284d4d89575be701e |
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font_01_sfnt_off0000fa2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA2B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011242.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11242 | 10796 bytes |
SHA-256: fb1c9fa27014567c1dff38325fe1b460bb9e58471e627fe05855fad75c349c21 |
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