MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
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 compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The presence of multiple external URIs and a link farm indicates an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://ydyb.com/filespath/files/20210916121324.pdf In PDF document text
- http://cambridgekapurthala.com/damana/userfiles/file/poxazapuka.pdfIn PDF document text
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147b5313f968---porixuji.pdfIn PDF document text
- http://canhtoanland.com/upload/files/93071275345.pdfIn PDF document text
- http://www.rupankar.com/fckimages/file/fabozifavulozunimexafap.pdfIn PDF document text
- http://yuh-tarng.com/userfiles/file/tubukobedizujemawakelixa.pdfIn PDF document text
- https://fetogram.com/images/upload/files/detomisi.pdfIn PDF document text
- http://cctechlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fuxuwidojiko.pdfIn PDF document text
- http://skpizzasubs.com/uploads/files/2456787952.pdfIn PDF document text
- http://www.nena-artspace.com/ckfinder/userfiles/files/pevelafiwojep.pdfIn PDF document text
- http://jsushibrea.com/uploads/files/89716395367.pdfIn PDF document text
- https://trouver-une-ssii.com/img/pics/files/91180874312.pdfIn PDF document text
- https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/16153ccf446657---7173196048.pdfIn PDF document text
- http://stapper.de/sites/default/files/userfilesfile/dejexoviboniroxu.pdfIn PDF document text
- http://wittymall.com/multimedia/userfiles/file/76746369056.pdfIn PDF document text
- https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/884812d1670e2e84c54cfdddcfb1e115/85264449988.pdfIn PDF document text
- https://tradegateindia.com/userfiles/file/rulixupivurose.pdfIn PDF document text
- http://natpuedu.in/userfiles/file/kutika.pdfIn PDF document text
- https://hunde-katzen.at/soubory/37772621663.pdfIn PDF document text
- http://www.la-rocca.pl/app/webroot/files/files/41934384897.pdfIn PDF document text
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613332b20d822---guzomekafexej.pdfIn PDF document text
- http://gotoippc.com/ckfinder/userfiles/files/josasoturedesisetev.pdfIn PDF document text
- http://baigeleather.com/userfiles/file/73689481349.pdfIn PDF document text
- https://www.loisirs-auto-occasion.fr/ckfinder/userfiles/files/78024048692.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=free+robux+very+easyPDF 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_off0000b3ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3AB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cbbd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBBD | 17444 bytes |
SHA-256: b1542fb5bce5a568f4c08bd8d2f41498a24491023846c77aa3676c23056aec88 |
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font_02_sfnt_off0000f528.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF528 | 10260 bytes |
SHA-256: 11a04fcb68f75359d09f0faac20fed4af8e4b865959d381ab56398d8098925e7 |
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