MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised websites and link farms, suggesting a phishing or malware distribution scheme. The presence of external URI heuristics and compromised CMS upload links further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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 https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/4p4qujn808vrohvd0fmsbp142r/kinesuxap.pdf In PDF document text
- https://banghenails.com/upload/file/wemokesusudid.pdfIn PDF document text
- https://o-dance.com/upload/files/67145858686.pdfIn PDF document text
- http://aire-limpio.com/img/editor/file/92639352417.pdfIn PDF document text
- https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/b923deb117438f6104cd93ec0c03d9ad/69523502142.pdfIn PDF document text
- https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/cdd27d56e5edd92d3890a4692db2030f/zulan.pdfIn PDF document text
- http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5b1c9e42ee---zaragitixe.pdfIn PDF document text
- http://w-mill.jp/images/file/70795968332.pdfIn PDF document text
- https://almoheetmanpower.com/public_html/userfiles/file/tufaputifewowi.pdfIn PDF document text
- http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/42cc1032a2391a5d7d1b3691f055f933/rabavebomeluv.pdfIn PDF document text
- https://cleanenergy.mn/uploads/files/72528518175.pdfIn PDF document text
- http://copy2d.com/ftp/image/file/99296221625.pdfIn PDF document text
- http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606d90b7b45f9---jemal.pdfIn PDF document text
- http://fotofolliasanlazzaro.it/userfiles/files/pulugatinokovopifitavomo.pdfIn PDF document text
- https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a8879ecc9f3---96637516315.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/ap032vjuu9d4dcj6phhtero85e/47517912582.pdfIn PDF document text
- http://csc0451.com/userfiles/file/20210629194427_ikgo16.pdfIn PDF document text
- http://vom-ragnaroek.de/uploads/file/rupadexuwapobapabudidamiw.pdfIn PDF document text
- http://www.addvanceo.info/userfiles/files/savefovalev.pdfIn PDF document text
- http://www.alexgis.com/siteuploads/editorimg/file/73369091057.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=lamarck+and+darwin+worksheet+answersPDF 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_off0001115e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1115E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012975.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12975 | 10724 bytes |
SHA-256: 0675295b785961f59a9154d8dcdb6cb0c203bee20b9d33f988cd1550dde88a49 |
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font_02_sfnt_off000141f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x141F8 | 17008 bytes |
SHA-256: 5cff51ea00137bfac0d6702ad3d6be84d3f53373290ad2997ced361b7d800398 |
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