MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, hosting numerous URLs on potentially compromised or disposable domains, designed to redirect users to further malicious content. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM firings strongly supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://faradtvandor.hu/picture/userfiles/file/lavuwebafewoguvilutuxew.pdf In PDF document text
- http://studiotecniconuti.it/userfiles/files/gokemekolebutusikimirobi.pdfIn PDF document text
- https://foodsafebox.com/ckfinder/userfiles/files/budinakitileberup.pdfIn PDF document text
- https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/14a19e6693aaf27a1bbc40ac6d86c80d/sotoposiwisezizi.pdfIn PDF document text
- https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/7551b3371fcea3a9b84db59cdb0732ea/voxelab.pdfIn PDF document text
- https://togeltop.net/contents/files/74849309444.pdfIn PDF document text
- https://yk-tech.com.tw/ckfinder/uploads/ckfiles/files/sajufonuwimevakefi.pdfIn PDF document text
- https://hainutedecopii.eu/ckfinder/userfiles/files/76374215075.pdfIn PDF document text
- http://wxmx.cn/upload/ckimg/files/202109100806123811.pdfIn PDF document text
- http://www.ccengis.be/applications/ckeditor/addons/ckeditor/ckfinder/userfiles/files/kagudezokulofokesipa.pdfIn PDF document text
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161441534df32e---bozopepafeke.pdfIn PDF document text
- https://patidarpalanpur.com/web/k/main_admin/ckfinder/userfiles/files/naregilumulivuriruj.pdfIn PDF document text
- http://nikolalepojevic5.com/multimedia/file/xozukasosuxugejaketekix.pdfIn PDF document text
- http://bodybybodyology.com/ckfinder/userfiles/files/xogevegi.pdfIn PDF document text
- https://casaalu.com/luutru/files/51283195286.pdfIn PDF document text
- http://prosefkuchare.cz/userfiles/mosor.pdfIn PDF document text
- http://srihemkuntsahibfgp.org/hemkunt/userfiles/file/6322583051.pdfIn PDF document text
- http://selidbe-beograd.info/files/xilewuwefobobaj.pdfIn PDF document text
- http://besttailor.info/ckfinder/userfiles/files/fipavapolagigebolow.pdfIn PDF document text
- http://nandishoverseas.com/UserFiles/File/81149160111.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=3+in+periodic+tablePDF 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_off0000d684.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD684 | 10552 bytes |
SHA-256: e7cda8d2f218651fd2b4e73a96fe82b71b27e85ec0401c5419577aa4498d8357 |
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font_01_sfnt_off0000ee59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE59 | 17920 bytes |
SHA-256: e088e8db00602ac6f43123cde7901d1795d8503ec5a37602eed598bc3c99da91 |
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font_02_sfnt_off00011ccd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CCD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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