MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://alburigiott.it/userfiles/files/78430481471.pdf In PDF document text
- https://wendi101.com/userfiles/file/mawanuxiwetexur.pdfIn PDF document text
- http://inbjnews.com/data/cheditor/0603/files/jofozenerujepibizifi.pdfIn PDF document text
- http://saigondome.com/uploads/userfiles/file/86887806049.pdfIn PDF document text
- http://dokturmice.com/ckfinder/userfiles/files/80990422160.pdfIn PDF document text
- http://topoint.cc/userfiles/fckFile/20210910045521.pdfIn PDF document text
- https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/cb8c02d1d62f6abb3d0702db555ac673/vufinizaroge.pdfIn PDF document text
- https://webrobogo.hu/kepek/vakefajosixe.pdfIn PDF document text
- http://timnhanhonline.com/upload/files/ropumunejumevomowiwedaraf.pdfIn PDF document text
- https://agregadoschucuri.sinecsas.com/ckfinder/userfiles/files/42277202729.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16141278ba64ae---37845950246.pdfIn PDF document text
- https://dangeloremodeling.com/nbloom/fckuploads/file/pewuvipugokote.pdfIn PDF document text
- http://keralastatetailorsassociation.com/userfiles/file/xajuv.pdfIn PDF document text
- https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143d7e99e463---fenutizuwejulowajen.pdfIn PDF document text
- http://cukorbetegshop.hu/files/71527495545.pdfIn PDF document text
- http://agataklimowska.pl/userfiles/file/bimezefirawetum.pdfIn PDF document text
- http://baikalspring.ru/ckfinder/userfiles/files/30052413693.pdfIn PDF document text
- http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142e9f10883b---64232926592.pdfIn PDF document text
- https://hearing-outlet.com/uploads/files/202109100643136172.pdfIn PDF document text
- https://ngaa.org.au/application/third_party/ckfinder/userfiles/files/luzuwafawusopibegexuf.pdfIn PDF document text
- https://papiratisk.cz/soubory/razezevemurosiju.pdfIn PDF document text
- https://xn--atpta-nfb.lv/images/userfiles/files/67975042705.pdfIn PDF document text
- http://eltdb.com/UserFiles/files/92461182466.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=web+browser+for+dark+webPDF 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_off0000ead6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAD6 | 10316 bytes |
SHA-256: 4d56c83f4f7d9c4372a248401a148ca79dacbbd17a18b7102d303245a845d65b |
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font_01_sfnt_off0001024f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1024F | 17900 bytes |
SHA-256: 58d1b9d5a3187eb91d74b9c592f491d9b7e5466cf10407e91267c8e1f069e8c9 |
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font_02_sfnt_off00013097.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13097 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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