MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains a link farm pointing to numerous external URLs, many of which are hosted on compromised CMS uploads or disposable domains, suggesting a phishing or malware distribution scheme. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports the conclusion that this document is designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://klhl.com/userfiles/file/fenudujumamonogixeduvorum.pdf In PDF document text
- http://petraifevronii.ru/ckfinder/userfiles/files/85610687066.pdfIn PDF document text
- http://izmirtavla.com/upload/file/65529099857.pdfIn PDF document text
- http://gps-tw.com/CKEdit/upload/files/wojewubanaramifigexisali.pdfIn PDF document text
- http://niestachow.pl/data/aktualnosci_imgs/file/kilareletifog.pdfIn PDF document text
- https://ystechpro.com/nbloom/fckuploads/file/15046504644.pdfIn PDF document text
- http://naturalmis.com/userfiles/file/63863787622.pdfIn PDF document text
- https://support-trevianum.nl/userfiles/files/konozewelonelidodi.pdfIn PDF document text
- https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/1a406c236905b0f482a6d32473efaaf7/80298201088.pdfIn PDF document text
- http://familiegravesen.dk/ckfinder/userfiles/files/65797108002.pdfIn PDF document text
- http://thesciencenetwork.org/uploads/files/wolelevotiforojikigadod.pdfIn PDF document text
- http://szyoujin.com/UploadFile/file/20210913232014894.pdfIn PDF document text
- http://terrietanaka.com/library/files/bapujuwalik.pdfIn PDF document text
- http://kanalizace-ul.cz/userfiles/file/beres.pdfIn PDF document text
- http://fd-health.com/upload/ckeditor/files/sikesobi.pdfIn PDF document text
- http://cistenivytahu.cz/upload/file/newobunasiwerarud.pdfIn PDF document text
- http://sibinetweek.ru/userfiles/file/mumuz.pdfIn PDF document text
- https://hotelite.in/userfiles/file/pizoriwolezavobufate.pdfIn PDF document text
- https://idroilektriki.gr/files/file/7533584116.pdfIn PDF document text
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b82ae46ac3---xigejejazo.pdfIn PDF document text
- https://astoraccessories.com/uploads/ckfinder/files/4225218617.pdfIn PDF document text
- https://rlmahtani.com/userfiles/files/muvojitifotuxo.pdfIn PDF document text
- http://ambiance-cinema.fr/wp-content/plugins/super-forms/uploads/php/files/0056e60cf273d389f8748c5c8f2bbb91/lufasebe.pdfIn PDF document text
- http://proallprint.com/userfiles/files/sitonuwipinisobitev.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=download+m88+androidPDF 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_off0000b869.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB869 | 17440 bytes |
SHA-256: 275e68b9b9de4f27cddafe265002bc8d135c900533e1b4c360817108e76f5deb |
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font_01_sfnt_off0000e570.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE570 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fd87.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD87 | 10304 bytes |
SHA-256: 5275b7e0c23cb3d3e10b7ed7c9d4dc0d2c5f3f4326353aaf0400fada868177a7 |
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