MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to external websites, many hosted on compromised CMS uploads or disposable domains, suggesting a link farm designed to redirect users to malicious content. No scripts were extracted, but the overall structure and heuristic firings indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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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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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://xn--80aafbkbafwdti1ahihccrg.xn--p1ai/pict/file/puzotusevuwo.pdf In PDF document text
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/b7991624e57728713d8695cffce76353/nopibofijaridagulezit.pdfIn PDF document text
- http://anhuicrew.com/upload_fck/file/2021-4-29/20210429040056247808.pdfIn PDF document text
- http://perles-del-beya.com/userfiles/file/37701944625.pdfIn PDF document text
- https://myphi.biz/nbloom/fckuploads/file/tefowodosunaxosizufex.pdfIn PDF document text
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/03eb7f1565efc54dbbb01675915af5f6/47063575831.pdfIn PDF document text
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160b096e02df3d---38626651820.pdfIn PDF document text
- https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/1d3b3a659ee7b5ddbb1cde857726fc80/wikonetapowerevabaf.pdfIn PDF document text
- http://eviljoy.com/UserFiles/File/20611532389.pdfIn PDF document text
- https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/a53415fd02563dc290ef234010c650fa/27473684410.pdfIn PDF document text
- https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d3ee867812---13675266428.pdfIn PDF document text
- http://xn--80aafkqcanfpgnhbng3b5i9a.xn--p1ai/pict/file/banikawigalorekanik.pdfIn PDF document text
- http://mygiftltd.com/userfiles/file/kurixitapivedo.pdfIn PDF document text
- https://abhimaninteriors.com/ckfinder/userfiles/files/39773807400.pdfIn PDF document text
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160750734afa74---vemeboxixupamidupoxan.pdfIn PDF document text
- https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/a0es7vnk32cm03j6uvdl09cldc/ritibu.pdfIn PDF document text
- https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/10c767b8d66fcb6ff803d878de81f666/18207928548.pdfIn PDF document text
- http://prestopc.it/upload/file/80489640576.pdfIn PDF document text
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072f84e90ec9---gumuxujaki.pdfIn PDF document text
- http://pttaccounting.com/userfiles/files/49817678909.pdfIn PDF document text
- https://refakatci.net/userfiles/file/39905556846.pdfIn PDF document text
- http://cukrarnakolbaba.eu/obrazky/files/zobozodugodipisonusira.pdfIn PDF document text
- http://veiligheidsslot.nl/ckfinder/userfiles/files/63291912451.pdfIn PDF document text
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607542f296d63---kosidunipavutelimimor.pdfIn PDF document text
- http://emailreceptionist.net/userfiles/file/11042067689.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=all+the+man+that+i+need+sheet+music+pdfPDF 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_off0000ded6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDED6 | 17220 bytes |
SHA-256: 4cb016af95477026466807d6bbeab20896e0b7a23f8e2d11df6b5975475debc6 |
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font_01_sfnt_off00010b68.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B68 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001237f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1237F | 10744 bytes |
SHA-256: 5afe6d578553506669b9dcbc7c989acdaee32ed7321e0fef1184a8c0ee7f8cf6 |
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