MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains numerous links, many pointing to compromised WordPress upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this. While no scripts were explicitly extracted, the nature of the links implies an attempt to deliver a second-stage payload or phish credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
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://studiozammuner.eu/userfiles/files/79963692336.pdf In PDF document text
- https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/bcef46b4f003d3ae01a2850f3f677a88/6796146160.pdfIn PDF document text
- http://innova-perila.ru/upload/files/madunakipuxigapu.pdfIn PDF document text
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/22d79d7109120d2230f7aabe23c9e8e5/togadi.pdfIn PDF document text
- https://prosaison.fr/userfiles/files/kosobusetopubag.pdfIn PDF document text
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f41f2b61fc---maxuredadevogoj.pdfIn PDF document text
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/cfb4954be8e6fe4af4b2341e5fdf542f/4768609561.pdfIn PDF document text
- http://mxagproducts.com/upload/browse/file/18722702785.pdfIn PDF document text
- http://aiken7050.com/clients/5/51/510ae66c864a6d23552e02d1b5190e2c/File/suxatenotebev.pdfIn PDF document text
- http://tykhestudiodesigns.com/clients/7/73/7311521ca682816632878891c231d107/File/solufuzasavaf.pdfIn PDF document text
- http://gourmethousemacau.com/UploadFilesfile///faritexisovezerodog.pdfIn PDF document text
- https://astek-telem.fr/userfiles/file/73798060077.pdfIn PDF document text
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1609894d5c7537---gifasokaduwizomatovakep.pdfIn PDF document text
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/6ae1d19003194975dacfa6403a83f920/36458747177.pdfIn PDF document text
- http://innovatepc.com/userfiles/file/xalozepud.pdfIn PDF document text
- http://autoscuolecasetta.it/userfiles/files/11304614943.pdfIn PDF document text
- http://apexnepaltravel.com/userfiles/file/zimikuletodiburoxifose.pdfIn PDF document text
- https://menlopark.com/wysiwygfiles/file/nimafugokorigenafevuduboj.pdfIn PDF document text
- https://him-home.ru/wp-content/plugins/super-forms/uploads/php/files/81ae098d5ca756bb0ab47e8d8489d22a/jususu.pdfIn PDF document text
- https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/894600d60c3558a5df80f0981d09891c/3323703244.pdfIn PDF document text
- http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160718725893d6---pividawuvixizufidogapumul.pdfIn PDF document text
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/6c9090983d979e1a1bf8c80aa2e9969e/suwewefapamogojika.pdfIn PDF document text
- https://resicolor.com/upload/files/37044982072.pdfIn PDF document text
- http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609fd5383e33b---kojavetasugix.pdfIn PDF document text
- https://led7.ru/file/fovafo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=writing+and+editing+for+digital+media+4th+edition+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_off0000e4a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4A0 | 17596 bytes |
SHA-256: ed90d98616abd2ed3c4abc6bde88200b3db3defa7e0d2d592dff5615a1a0241b |
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font_01_sfnt_off00011161.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11161 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012978.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12978 | 10848 bytes |
SHA-256: 12be6f867e3205402252fe15d75e4cd4b40b4a0627359302ed1ee75a73c6a497 |
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