MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on compromised CMS platforms, indicating a link farm designed to lead users to potentially malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9941
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 https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/b4e13f2be79dfde3d27b94f269b50f5e/nuxakakurowatanumiliwug.pdf In PDF document text
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc79805225---79502991881.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be76df90492---luxakaf.pdfIn PDF document text
- https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/ccslcfa4go816pfao0gjb0keu7/juwubilov.pdfIn PDF document text
- https://www.truegridpaver.com/wp-content/plugins/super-forms/uploads/php/files/28dfebada3cac48c57aead636cfa4dcc/govatipefewuxefufi.pdfIn PDF document text
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/9b9dc0daf4cb6363960347741a0cc086/kunirumiworesejoluxuvod.pdfIn PDF document text
- http://studio-rivetti.it/userfiles/files/repivuj.pdfIn PDF document text
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/rb83067rtf3jlu1r4gbdj6tici/90359241400.pdfIn PDF document text
- https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/b27a205ee373d956923f59d80192488d/sigibonarelod.pdfIn PDF document text
- http://kapelski.pl/userfiles/file/meviposulupizo.pdfIn PDF document text
- https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/69f8a150546e3157295b978e6174b74a/zavagazomodovesumo.pdfIn PDF document text
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/h9odbeg8o2t84oc251cgnur20f/57387278006.pdfIn PDF document text
- http://basyapiemlak.com/yukleme_klasoru/userfiles/file/bazunewenov.pdfIn PDF document text
- https://brandonsmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/m8pl176g7ohbadsd0rqn04iu15/bolijaxisixakezitoxomir.pdfIn PDF document text
- http://ofipapel.org//ckfinder/userfiles/files/zukexate.pdfIn PDF document text
- https://sgdivorcelawyers.com/wp-content/plugins/super-forms/uploads/php/files/efc9ef3ee5ff512137f8d7e2268c4d1a/50575236763.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160af6eb461b6f---vuvenubefaseluputokeru.pdfIn PDF document text
- https://brahmagnanam.org/fck_uploads/file/ralimorebisodiw.pdfIn PDF document text
- https://cristalparkhotel.com/ckfinder/userfiles/files/fijezegijojalos.pdfIn PDF document text
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16094d0d019b73---57123694310.pdfIn PDF document text
- http://ahdongjiu.com/upload_fck/file/2021-6-25/20210625174314811774.pdfIn PDF document text
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/f982b88c82bdd095a3deeaeff8c2d1ee/17514389338.pdfIn PDF document text
- https://secolink.sk/userfiles/file/32520471955.pdfIn PDF document text
- http://vipnjl.com/userfiles/files/jivawowalodupamabo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=bahubali+3+full+movie+hd+meinPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00016060.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16060 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00017877.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17877 | 10784 bytes |
SHA-256: 1de13e50bc5a1a31f0c1bf3485cec4c7af0551a8d900ef16a6d54a594a34ce27 |
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font_02_sfnt_off00019114.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19114 | 6072 bytes |
SHA-256: acc8f5a0b89458921d84d55f68225cccf90dcef2503672630d943ef444a4e1c4 |
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font_03_sfnt_off0001a6df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A6DF | 18084 bytes |
SHA-256: c7a97f74fbf9ea60596ffde20e77fec3f57c2bb45b9328332fb4b2904d12ffe7 |
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