MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many URLs pointing to potentially compromised WordPress upload storage and disposable hosting. While no scripts were extracted, the presence of numerous links and the ML/ClamAV detections suggest the document is designed to lure users to external sites, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://balaton.varosom.hu/userfiles/files/kakoza.pdf In PDF document text
- http://eca.or.th/ckfinder/userfiles/files/jokudimusukuribumafi.pdfIn PDF document text
- http://www.ondebiz.com/userfiles/file/lagivobonuzot.pdfIn PDF document text
- http://grandfiltr.com/files/file/52346163487.pdfIn PDF document text
- http://lenosada.sk/editor_uploads/files/tonagir.pdfIn PDF document text
- http://frankifoto.com/uploads/pages/files/zejotarogudarowolesak.pdfIn PDF document text
- https://easy2ticket.com/upload/files/90864664213.pdfIn PDF document text
- http://surausa.com/uploads/files/zepewepuzazovuzabizepole.pdfIn PDF document text
- http://highlevel.pl/userfiles/file/zarutukugaludenez.pdfIn PDF document text
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/fe2fvovhhboan707h66tv9prc7/58183119528.pdfIn PDF document text
- http://targhevaticane.it/userfiles/files/kavobagiwomonew.pdfIn PDF document text
- https://confetti-seasons.ru/upload/files/fifaxazumosujivobazurida.pdfIn PDF document text
- http://www.aunay-sous-auneau.fr/ckfinder/userfiles/files/seregiwuz.pdfIn PDF document text
- http://bradzo-ep.com/uploads/files/5844424487.pdfIn PDF document text
- https://kudamatsu.org/userfiles/file/9172494644.pdfIn PDF document text
- http://lammermoor.net/imagenes/file/zepivamenaxunik.pdfIn PDF document text
- https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/363866d6f6c5596aae46ccea65603eff/54236594910.pdfIn PDF document text
- https://kar360.com/resimler/files/70633102435.pdfIn PDF document text
- https://vibangnhadat.com/uploads/files/dumiju.pdfIn PDF document text
- http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/0088def0b8395e9d6b102dab0f7460d1/64600833566.pdfIn PDF document text
- http://onlinepravenconsultant.com/uploads/wysiwyg/files/fowubefoz.pdfIn PDF document text
- https://airxps.com/userfiles/files/45174556762.pdfIn PDF document text
- http://locthanhroyal.com/upload/files/netogejesojaniz.pdfIn PDF document text
- https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/d7f205818747c7e31033ec4b2b95515e/75199335239.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=how+to+create+a+group+message+on+androidPDF 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_off0000b781.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB781 | 17068 bytes |
SHA-256: a8ceb33fffab5c9697117108a084634e8b6b8452d70d1b4d5ec78165d6cc58b6 |
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font_01_sfnt_off0000e2f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2F9 | 10988 bytes |
SHA-256: a6f7e2260d71b596ff18c94d9b13340dd1ab8c38423e4654765cb8e5a1696c19 |
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font_02_sfnt_off0000fc53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC53 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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