MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many URLs pointing to compromised WordPress sites and disposable hosting domains. The embedded URLs, while some are marked benign, are part of a pattern designed to obscure the true malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://gernano.eu/gfx/userfiles/files/nakozedojazumumutov.pdf In PDF document text
- http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16133e9a73dc45---faluvojejudewopakajisopax.pdfIn PDF document text
- http://topstec.com/d/files/73446788256.pdfIn PDF document text
- https://gulfsupremesa.com/ckfinder/userfiles/files/43488996904.pdfIn PDF document text
- http://paitoonbox.com/userfiles/files/kiwojakoxogina.pdfIn PDF document text
- http://euro-ex.net/images/blog/file/47984112630.pdfIn PDF document text
- http://shbaicun.com/userfiles/file/2021090205145873499.pdfIn PDF document text
- http://bjzjygj.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/47234921614.pdfIn PDF document text
- http://ritadas.in/userfiles/file/21798507414.pdfIn PDF document text
- http://hamyarsanatco.com/ckfinder/userfiles/files/rubimixubevenanapogomela.pdfIn PDF document text
- http://dataction.org/demo/dataction/media/lusuloniselu.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/bagenuzu.pdfIn PDF document text
- http://labellebeaute.com.hk/ckfinder/userfiles/files/zugelan.pdfIn PDF document text
- http://travelcenterpuntos.com/campannas/file/zowakujabi.pdfIn PDF document text
- http://nj-rshb.com/v15/Upload/file/2021991332542130.pdfIn PDF document text
- http://koreaseowon.com/ckupload/files/20915263492.pdfIn PDF document text
- http://tsg-edinstvo.ru/userfiles/file/mapidujebodutugazo.pdfIn PDF document text
- http://hkacca.com/userfiles/dibedumupidet.pdfIn PDF document text
- http://innovad-ltd.com/userfiles/file/puwatope.pdfIn PDF document text
- https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/1ebb4b8790221019d0537e49d1c4424e/89183894791.pdfIn PDF document text
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/504c3e9b08e4caaea534e150da31d7ec/72627214189.pdfIn PDF document text
- http://longarmacademy.net/fckeditor/userfiles/file/fodiruxufoda.pdfIn PDF document text
- https://franciscovalles.comtraining.cl/userfiles/files/62566926915.pdfIn PDF document text
- http://cee1968.com/ckfinder/userfiles/files/26746293016.pdfIn PDF document text
- http://condosworld.com/abisol1/userfiles/files/lovan.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=approximately+at+the+beginning+of+a+sentencePDF 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_off0000cf76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF76 | 11264 bytes |
SHA-256: 35c403148fbed3309d953861813a1e27bf73d858eab2d4bc270fb1553bdbacb8 |
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font_01_sfnt_off0000e991.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE991 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000101a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101A3 | 18408 bytes |
SHA-256: 6a99acfc16933a7b80d95bb95345b334de29e2415596a61a67ebd1d42b6fc07b |
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