MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple potentially compromised or disposable hosting sites. The embedded URLs, such as http://usarsenal.it/userfiles/files/xobufivafatupezefefu.pdf, are likely intended to host further malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://usarsenal.it/userfiles/files/xobufivafatupezefefu.pdf In PDF document text
- https://redac.ch/upload/pokaxepilivukawegaworutek.pdfIn PDF document text
- http://ddaengshop.com/ckupload/files/18108653578.pdfIn PDF document text
- https://ceramicasvillaflor.cl/UserFiles/File/jadabujuxa.pdfIn PDF document text
- http://hamyarsanatco.com/ckfinder/userfiles/files/rubimixubevenanapogomela.pdfIn PDF document text
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614d3e5a61c48---36539257614.pdfIn PDF document text
- http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613e5f88eba64---tatukazimatavamewazoroko.pdfIn PDF document text
- http://law885995.com/upload/fckimages/file/81655506421.pdfIn PDF document text
- http://xn--80aer5aza.xn--7-4tbj3b.xn--p1ai/ckfinder/userfiles/files/63885822760.pdfIn PDF document text
- http://singer-island-condos.com/userfiles/files/wuvuxivaz.pdfIn PDF document text
- https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/ab50f42b8f18eda3b415cb33dec68044/solerowafigozanemipotope.pdfIn PDF document text
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131ad2a3e767---32095744629.pdfIn PDF document text
- http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1614020b2af50f---wedogazizejimejuta.pdfIn PDF document text
- http://kd-council.com/upfile/files/81160637910.pdfIn PDF document text
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16131b76f69ae2---xobatubivumugerovumot.pdfIn PDF document text
- http://stefanourso.com/public/userfiles/file/vaxapulexigopepevazizoba.pdfIn PDF document text
- http://tysons-cafe.com/uploads/files/fidem.pdfIn PDF document text
- http://www.pro9apps.com/app/webroot/files/uploadimagesfile/netovadedosareri.pdfIn PDF document text
- http://otestmanager.org/club/data/userfiles/file/20210912221825.pdfIn PDF document text
- http://hunting.kg/userfiles/file/dinutoravo.pdfIn PDF document text
- http://eko-baby.ru/userfiles/file/vidixu.pdfIn PDF document text
- http://tiendanatacion.com/noticias/files/gikubuxeruvufeloxovoluvo.pdfIn PDF document text
- https://semangkabiji.com/contents/files/fogapi.pdfIn PDF document text
- http://vtaky.sk/media/file/47632828442.pdfIn PDF document text
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/tke2qf8mnmkijntnojvb2dhvii/53370861369.pdfIn PDF document text
- http://alpha-th.com/userfiles/file/93710206622.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=manual+gearbox+gamePDF 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_off0000dbc9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBC9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f3db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3DB | 17656 bytes |
SHA-256: 4e51175cdcd4c28ce22a8b850063e0e8d0ed1e6913ee3ba1e8b1a8db72e81347 |
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font_02_sfnt_off00012149.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12149 | 10428 bytes |
SHA-256: d43497ba19c7797e65e043a4982e863972b943504eb606208157f13dc80a9411 |
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