MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicative of a link farm. The presence of a ClamAV detection for 'Pdf.Phishing.Trojan' and ML classification further supports a malicious intent. The primary goal appears to be directing users to external sites, likely for phishing or to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://hwayinn.com/image/files/20210904_000833.pdf In PDF document text
- http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139b74a4b8ad---tavix.pdfIn PDF document text
- http://zanethompson.com/userfiles/file/36842479068.pdfIn PDF document text
- http://miroslaws.com/ckfinder/userfiles/files/gepavuzekopewegavonete.pdfIn PDF document text
- https://villadelauca.com/userfiles/file/37003194351.pdfIn PDF document text
- http://rockefellersgold.hu/editor_up/90664283591.pdfIn PDF document text
- https://behbehaniprojects.com/uploads/files/1829498362.pdfIn PDF document text
- http://ettermanenterprises.com/ckfinder/userfiles/files/bepakulelejuzezurure.pdfIn PDF document text
- http://mcutech.net/upload/2021/09/file/16306894821507507709.pdfIn PDF document text
- http://gelinyuanyi.com/upload_fck/file/2021-9-7/20210907060104677753.pdfIn PDF document text
- http://centreforeffectivecoaching.com/media/file/fivinenomadipa.pdfIn PDF document text
- http://spellenindex.nl/images/uploads/32273990674.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/9204bbd430e0a279ea015fad4c56dacb/rorusadowazufiwometivida.pdfIn PDF document text
- http://www.mamafoundation.cz/ckfinder/userfiles/files/86941080958.pdfIn PDF document text
- https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/406b3f611510f634db4025e54eb087a5/sunotifivupuvaguzulibubun.pdfIn PDF document text
- http://abnicum.ru/files/file/32709452430.pdfIn PDF document text
- http://maristaslardero.es/userfiles/file/bogukomolapobemedadutogeb.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/652f9b1fdec7d4d9c6bfeff5fbaac63a/pobipetudukivikana.pdfIn PDF document text
- https://peisheng.org/uploads/ckfiles/files/613513ad80b10.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/16137d34287dc0---32119221107.pdfIn PDF document text
- http://keystoparadise.com/userfiles/files/3311776568.pdfIn PDF document text
- http://prtourusa.com/FileData/ckfinder/files/20210909_A771BCBE8F980EC4.pdfIn PDF document text
- http://vuonlan.vn/data/upload/files/81533228946.pdfIn PDF document text
- http://pn-tech.net/userData/board/file/vazatipipojerodowilo.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=earn+cash+money+maker+apk+downloadPDF 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_off0000df4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF4C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f763.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF763 | 10864 bytes |
SHA-256: e66b128205b326a18e7e099cacf93fe8d84db3e493ea964ea1c4ceff8fa49cac |
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font_02_sfnt_off00011057.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11057 | 17628 bytes |
SHA-256: a5463e039b9330342466474ea3da977b00a524469a3f930091a60bdc82f2ce78 |
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