MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a link farm pointing to numerous compromised websites, many of which host other PDF files. This suggests a multi-stage lure or redirection mechanism. The ML classifier strongly indicated maliciousness, and the presence of multiple links to potentially compromised CMS upload directories reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9936
Heuristics 5
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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://eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/dusenoruzo.pdf In PDF document text
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606df13cdbb7b---gimuganelanigofaliwuf.pdfIn PDF document text
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/d8f3b1af2d5ef6584c566bf88e1818a8/35553560055.pdfIn PDF document text
- http://ceramicaartisticamarsalese.it/userfiles/files/lekanijefutizepowe.pdfIn PDF document text
- http://ascensionchina.com/userfiles/file/54028829675.pdfIn PDF document text
- https://exam11.menapoint.com/app/webroot/upload/files/44634206290.pdfIn PDF document text
- http://fontanarosaserigrafia.it/userfiles/file/36945528459.pdfIn PDF document text
- http://werkkledingverkoop.nl/images/docman/files/vugupin.pdfIn PDF document text
- http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/42750093470.pdfIn PDF document text
- http://historia-bfured.hu/userfiles/file/jukiroradojakirex.pdfIn PDF document text
- https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e0fdc7f363---gojirexoxevenapasubewow.pdfIn PDF document text
- https://fuoriscena.eu/file/19174402401.pdfIn PDF document text
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/161209b2a9e3a9---bidirobu.pdfIn PDF document text
- https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/06c71f2a6520bf00f3326116dd022d9f/4616485656.pdfIn PDF document text
- https://alperbehang.nl/userfiles/file/gobozufan.pdfIn PDF document text
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161142bd721020---tazow.pdfIn PDF document text
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/16100e9adaed14---27748146505.pdfIn PDF document text
- https://bhiringisamsankalimandir.org/userfiles/file/xagive.pdfIn PDF document text
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609888a88a711---legom.pdfIn PDF document text
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077a017c2335---guwonamagijenunav.pdfIn PDF document text
- http://srihemkuntsahibfgp.org/hemkunt/userfiles/file/bilabozadulodotijodubo.pdfIn PDF document text
- http://redwoodpwr.com/wp-content/plugins/super-forms/uploads/php/files/ieurkjesbe3i2e3svpo81phvg6/26215543756.pdfIn PDF document text
- https://mangonebike.com/uploads/file/76799964236.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=rccg+sunday+school+teachers+manual+11+november+2018PDF 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_off00011a1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A1B | 11692 bytes |
SHA-256: 87e2d4cabb627191c48bb7ef1b575fab22a12ca2a7cc20adf053c8c2f8088ce9 |
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font_01_sfnt_off000135c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135C3 | 19408 bytes |
SHA-256: 2b44115c2dc0a99a2573f7d2bc7748ac180d306ee0c93407186f79e3d9ff551e |
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font_02_sfnt_off000167f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x167F2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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