MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm pointing to compromised WordPress upload directories, suggesting an attempt to distribute further malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution scheme, likely initiated via spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/85f86f62dab998bc620b48f93a054a2f/5516795486.pdf In PDF document text
- http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607178bb6e65f---linaxuwodebozepim.pdfIn PDF document text
- https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/f48ee8e6143fbde57dc4b4ab28cf5aef/7328284765.pdfIn PDF document text
- http://coeb.eu/userfiles/files/67106137988.pdfIn PDF document text
- https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/e874cef79bebcdc319b97f40f3874bf0/savefisolojozowef.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bebd3a96056---39351957831.pdfIn PDF document text
- http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/3f1qkrehv22vcejemjakfe4ru8/sarojomomaxesupadediba.pdfIn PDF document text
- http://mai-colle.jp/userfiles/file/xawibirituka.pdfIn PDF document text
- http://amphorabeautyclub.com/campannas/file/midilovesurugonupube.pdfIn PDF document text
- https://dentalrud.com/userfiles/file/32781643862.pdfIn PDF document text
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607617eedd1f9---97847992306.pdfIn PDF document text
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/447776b5ced8ee2914bc907f3f4862a0/tomotorixafofi.pdfIn PDF document text
- http://kanchanaspa.com/ckfinder/userfiles/files/13078601132.pdfIn PDF document text
- http://bright-mineral.com/uploadfile/file/2021061408554021.pdfIn PDF document text
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609ecab8a0222---97941157695.pdfIn PDF document text
- https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/4e862373818537fb7f12215d817eef42/guvalokarulujutafeleda.pdfIn PDF document text
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160be267e8afc7---tesitavaj.pdfIn PDF document text
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160a7a18cc28b9---xofugewazem.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=airline+operations+management+pdfPDF link annotation
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011736.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11736 | 5348 bytes |
SHA-256: a329f6373081a2a6c5a62eb9c2f70c6a6c04965d60b4a508cf19e9d934020994 |
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font_01_sfnt_off0001294d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1294D | 11440 bytes |
SHA-256: 68cd86281ace7de45d3316828e345290257fc96c55234f6fe6bb6dfb8d9a85b7 |
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