MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains a link farm pointing to numerous URLs, many hosted on compromised CMS platforms, suggesting a phishing or redirection scheme. The presence of embedded URLs and the nature of the heuristics strongly suggest this document is part of a phishing campaign, likely delivered as an attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9945
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://demirlermetal.com/resimler/files/metujuj.pdf In PDF document text
- https://emmaushuis.org/pages/49314156572.pdfIn PDF document text
- http://bienbao.net/uploads/files/gametigo.pdfIn PDF document text
- https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/8233c305f943ef1a580c8b9437bcbd5d/toroxidil.pdfIn PDF document text
- http://wingmanplanningdemo.com/userfiles/files/wefibafoxomaw.pdfIn PDF document text
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16095b734bf0ad---gafogepasaxuma.pdfIn PDF document text
- http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/3eaeb730fed9cb55be751e50b2db810a/75514020989.pdfIn PDF document text
- http://anhuifan.com/upload_fck/file/2021-5-1/20210501165604104197.pdfIn PDF document text
- http://fashioncenterpoint.com/wp-content/plugins/super-forms/uploads/php/files/ddc59aab072604edd288db801854ad76/61009575552.pdfIn PDF document text
- https://hanomanberjaya.com/contents//files/jajafiba.pdfIn PDF document text
- http://magogaralbamoble.com/galeria/files/deragugizofiwojuku.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/b9c85e038a5d0319ad42eb02d695b473/58190269234.pdfIn PDF document text
- https://accesoriosalmayor.com/images/userfiles/file/jezoburubegidode.pdfIn PDF document text
- https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/e92aee03800e5231a58e5af06f358e3e/fowuritanow.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a7084e8af18---53974673265.pdfIn PDF document text
- http://fishtech.org/uploads/userfiles/file/file/gumevaxatitadusewivefupe.pdfIn PDF document text
- http://matsonconstruction.net/userfiles/file/vizavumogaguxagufaloxa.pdfIn PDF document text
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/6f451c1f71cea0fc6aedd308c97ab140/501210979.pdfIn PDF document text
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/1608364126037c---xapikiviwuwurozizisopiwes.pdfIn PDF document text
- https://pensiuneavlasin.ro/wp-content/plugins/super-forms/uploads/php/files/5mc8v17eassvi6lfrbpgerl4c5/kelizozojuviparutazovuzo.pdfIn PDF document text
- http://ccadl.com/files/20210803121710.pdfIn PDF document text
- http://dietetyka-24.pl/images/files/dubikenobog.pdfIn PDF document text
- https://europeancustomtailor.com/wp-content/plugins/super-forms/uploads/php/files/2cb7ab2bf15a61cef89d2d9180dfbbff/97463721452.pdfIn PDF document text
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088acbf7a4d4---13734974565.pdfIn PDF document text
- http://vamaconsulting.sk/userfiles/file/zuvimoxiguwovuwomuvenonem.pdfIn PDF document text
- https://anpheatingandac.com/nbloom/fckuploads/file/sopezi.pdfIn PDF document text
- http://werder-ritter.de/UserFiles/File/foritaxatakanirotav.pdfIn PDF document text
- https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/56b54cd743cbf3ff1d0d673505e4c176/bawivujukiromeragugugogun.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=sopa+de+letras+para+imprimirPDF 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_off0000f02a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF02A | 18684 bytes |
SHA-256: b87abc67d22d70eddea8501b0e0d8f02e19b6f1fe38617e4abd9b504d2916a51 |
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font_01_sfnt_off00011eb0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EB0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000136c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136C7 | 10524 bytes |
SHA-256: 217ad6bf134eae90fe2aa4ec3d12e4616e8e92462c79094f08892df3dd27dca9 |
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