MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains numerous links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. While no scripts were explicitly extracted, the PDF structure and link farm behavior are indicative of a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9837
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://indago-rovigo.it/userfiles/files/raxonore.pdf
- https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/8m1l6ktn2f46buq5k82an7v8nk/73431488733.pdf
- http://studioingtassinari.eu/userfiles/files/64108468325.pdf
- https://daynexweb.com/upload/ckfinder/files/duleperuvug.pdf
- https://reklama71.ru/upload_picture/viwetevesajezagogewali.pdf
- https://dobre-akce.cz/media/files/file/wodituxan.pdf
- https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/ab66160192117dcd9920149497276f8c/vaxozituravepim.pdf
- http://kursadowicz.pl/Upload/file/detuletop.pdf
- http://sgyscom.com/upload_fck/file/2021-10-1/20211001021702487631.pdf
- https://www.igescanada.com/ckfinder/userfiles/files/moram.pdf
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/b421034f3cf99a9b0b10af804c9d48f9/11636160004.pdf
- https://alirezamirmohammadi.com/images/upload/files/taririka.pdf
- http://3dprofi.net/images/uploads/file/85008183156.pdf
- https://vildmarksjagt.dk/userfiles/file/sokirifowo.pdf
- http://manpukuorder.com/uploads/files/tefuf.pdf
- http://ain.proximeo.com/ckfinder/userfiles/files/fonomimi.pdf
- http://opakowania-loga.pl/zdjecia/fotki/file/vatituji.pdf
- http://carrasvilla.es/uploads/files/16034580525.pdf
- http://files.ibiza-ferien.de/file/24686626223.pdf
- https://mb-classic-service.de/userfiles/file/93950662024.pdf
- http://benhvienlaptop.biz/userfiles/file/norurozakojelonolazarifox.pdf
- http://praguynakorn.com/praguynakorn/picture/datapro/files/59562257572.pdf
- http://dierenwinkelindex.nl/images/uploads/ganazatajuxudonubo.pdf
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eeb59a60a9---kegul.pdf
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/1614d037e6cc03---zadolukoxofaj.pdf
- http://capitolmetrophysicaltherapy.com/files/files/watanezoju.pdf
- http://gdlejia.com/uploadfile/files/20210908_221330.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=many+congratulations+on+your+new+bundle+of+joy
- 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_off0000b354.bin14b98c4e2c64ab0713befff33492b3cb678ad71f187f3e2e8af5e59ea7e6de33 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB354 | 15472 bytes |
font_01_sfnt_off0000d9f7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9F7 | 16792 bytes |
font_02_sfnt_off0000f20e.bin8d852c51c181308d141be27b99e3575297848ddae57673389dea11ca86cc65c8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF20E | 11212 bytes |
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