MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to distribute malicious content. ClamAV and ML classifiers confirm its malicious nature, flagging it as a phishing trojan. The presence of numerous links suggests an attempt to lure users to malicious sites, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 https://fallsplat.se/file/59817566574.pdf In PDF document text
- https://globalmediaminds.com/uploads/files/21322946622.pdfIn PDF document text
- https://baongochoa.com/upload/file/gikas.pdfIn PDF document text
- http://watthaistuttgart.de/userfiles/file/93881554474.pdfIn PDF document text
- http://naturabliskociebie.pl/userfiles/file/bowafedifore.pdfIn PDF document text
- http://phutungquanghieu.com/app/webroot/files/ckfinder/files/dobababagala.pdfIn PDF document text
- http://aep-tc.com/cache/fck_files/file/92985495219.pdfIn PDF document text
- http://xn--zb0by3yusal20ak5lcidnwigi.com/ckfinder/userfiles/files/1627002008.pdfIn PDF document text
- https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/7eprfcsdjkjf1dga5b90ria49m/77406844118.pdfIn PDF document text
- http://naucseto.cz/storage/viluro.pdfIn PDF document text
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609238de594e4---91632171135.pdfIn PDF document text
- http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/16085e88709816---66727475188.pdfIn PDF document text
- http://duancanhotot.com/upload/files/163366534.pdfIn PDF document text
- https://tch.lu/files/files/mafaxedugefodi.pdfIn PDF document text
- http://ahcxdq.com/uploads/file/050126238981.pdfIn PDF document text
- https://yourlightingbrand.com/wp-content/plugins/super-forms/uploads/php/files/dec2b2f333c31a3e04ed81df730fedb4/96836963409.pdfIn PDF document text
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/160d68235f0de2---64035972026.pdfIn PDF document text
- https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/fff15cb8388c421ec2c99c4b7251cfee/titonodivuvunu.pdfIn PDF document text
- http://gourmethousemacau.com/UploadFilesfile///vororanuker.pdfIn PDF document text
- http://gocreate.termall.pl/upload/fck/file/mojukusugajurujuro.pdfIn PDF document text
- http://montpellier-businessplan.fr/mbp/upload/images/images/upload/ckfinder/63117205737.pdfIn PDF document text
- http://msiutilities.biz/documents/33115621009.pdfIn PDF document text
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/76476bbbac6ab3e45b3e6843c97e8a5e/rupotizazetifemelefe.pdfIn PDF document text
- https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/c22117e3b686e277840f936fa5a98131/57643196345.pdfIn PDF document text
- http://www.rafaellucenaehijos.com/ckfinder/userfiles/files/jeniwelad.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=what+are+the+names+in+the+bible+calledPDF 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_off0000dc4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC4C | 17208 bytes |
SHA-256: f7928e8515fa57ea7f0ee3cf23953e06cd0b112a1dc5d11a3ed8876e59015ecf |
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font_01_sfnt_off00010940.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10940 | 10648 bytes |
SHA-256: 3b09d7c7c20146b5b7da195bfc645de9020c81df8cd273c92a932bf0df2120f1 |
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font_02_sfnt_off00012170.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12170 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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