MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users. The presence of 'utm_term' parameters in some URLs further supports a phishing or malicious redirection scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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 http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/sc93flitsaphfmfh886t0139di/36449567170.pdf In PDF document text
- https://minhgianggroup.vn/upload/files/45312369445.pdfIn PDF document text
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/0f475dabb441e5e13f1111ed7254b970/43334315425.pdfIn PDF document text
- https://bayihoki99.com/contents/files/gemotosojem.pdfIn PDF document text
- http://hanlacsclub.com/ckupload/files/15550337405.pdfIn PDF document text
- http://canavesiobruno-architetti.it/userfiles/files/muruwazofukakeniwadinos.pdfIn PDF document text
- http://lynxauto.ru/userfiles/file/zejobaji.pdfIn PDF document text
- http://tano-cable.com/d/files/rupesike.pdfIn PDF document text
- http://qianlong99.org/ckfinder/userfiles/files/ruwonegosezusuda.pdfIn PDF document text
- https://blokhol.com/upload/files/rixumilobafapipasedutuke.pdfIn PDF document text
- http://intertermo.nl/userfiles/file/tosafezagitivadoto.pdfIn PDF document text
- http://boldogelet.hu/media/11148421805.pdfIn PDF document text
- http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/9gtru180cd6m90gc9s5ostge00/kimekulavagowuzo.pdfIn PDF document text
- http://navigator-nsk.ru/userfiles/file/21157893808.pdfIn PDF document text
- https://bedandbreakfastchia.it/userfiles/file/67724759163.pdfIn PDF document text
- https://n-v-v.dk/userfiles/file/2697647054.pdfIn PDF document text
- http://turatabor.hu/media/girapag.pdfIn PDF document text
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161390dd8511e2---tamigigitaxupowuno.pdfIn PDF document text
- https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/81bcc76fffa68ee4e38f8613c8c1f3b5/xitumafujebedi.pdfIn PDF document text
- http://onfireinteriors.com/userfiles/1662348591.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=gun+strike+elite+killer+mod+apkPDF 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_off0000beae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEAE | 10784 bytes |
SHA-256: 3c5a6b100c5ccd2379a7b291ebf0774363d959d3e36687391c15e263a0d87757 |
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font_01_sfnt_off0000d784.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD784 | 21648 bytes |
SHA-256: eb4d24798377fa94ebef650fb3e299031d298cd41d892ab86b6a41b159133678 |
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font_02_sfnt_off00010f3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F3B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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