MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1190 Exploit Public-Facing Application
This PDF was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The file contains numerous links, many pointing to compromised WordPress upload directories, suggesting it's part of a phishing campaign or a distribution point for further malware. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8770eb13a---23939538233.pdf In PDF document text
- https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/ec983b18acf83892554d50f7c8c1edce/28058735394.pdfIn PDF document text
- https://toolsatool.com/userfiles/files/xemirovaroder.pdfIn PDF document text
- http://aodaibooking.com/FileData/ckfinder/files/20210802_A7D2F1BC3DEEE681.pdfIn PDF document text
- http://faradtvandor.hu/picture/userfiles/file/27708478462.pdfIn PDF document text
- http://campfirewtx.org/userfiles/file/vikasolezi.pdfIn PDF document text
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608b9318599f9---50153877562.pdfIn PDF document text
- http://livilgirls.com/files/derubexiroxeko.pdfIn PDF document text
- http://ibtaker.ps/userfiles/file/kimitusexorovuxojeke.pdfIn PDF document text
- http://rydelko.pl/userfiles/file/ferirumukujakuxaw.pdfIn PDF document text
- http://acquadiqualita.it/ckfinder/userfiles/files/pevikudejoduxajoxiwuwolu.pdfIn PDF document text
- https://preprodpcb.com/userfiles/files/25823006068.pdfIn PDF document text
- http://schooldistrictservices.com/clients/f/f6/f6ab1571d2cdf5e569af7b76e288b17c/File/31983121285.pdfIn PDF document text
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a32d5c01b0e---57339311759.pdfIn PDF document text
- http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/3cc65d28aec722fd4d2c35ab48bab8a9/73883780928.pdfIn PDF document text
- http://wannawwannie.pl/userfiles/file/madufinixutudalazijirebul.pdfIn PDF document text
- https://bakotech.at/uploads/ckeditor/files/70017962381.pdfIn PDF document text
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/q9um6cklm0gk030f1r927b5l2p/31600510526.pdfIn PDF document text
- http://gardatrans.com/content/Files/pavutuxupakitexugega.pdfIn PDF document text
- https://chp-travel.ir/data/file/57030403060.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=nile+river+for+kidsPDF 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_off0000b687.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB687 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ce99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE99 | 16228 bytes |
SHA-256: 48df85b5bc18b4f0cd660050d1a9db2bc50fa8ed18088bec604e073a047f5b2c |
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font_02_sfnt_off0000f826.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF826 | 10116 bytes |
SHA-256: 04240fa91f74a6e31d501eeb4078e3c79398fe5b12fb97a7f31c497fed609722 |
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