MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate the document functions as a link farm, directing users to multiple potentially compromised WordPress upload directories and disposable hosting sites. The embedded URLs, while some are marked benign, are part of a larger pattern of redirection to suspicious domains.
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 https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/jpqrfio8tag26ne467f3d9s6ro/22892541551.pdf In PDF document text
- https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/au4ol05iqgn0v29t73j1befrph/lirusenufuladatimikeru.pdfIn PDF document text
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087fc3c53df0---sujikazexodogex.pdfIn PDF document text
- http://3gr-group.com/ci/userfiles/files/xemafos.pdfIn PDF document text
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613182957c653---80759205009.pdfIn PDF document text
- http://libertyquad72.fr/userfiles/file/14196443430.pdfIn PDF document text
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/16086632e2035c---xijiwamukat.pdfIn PDF document text
- http://phyllisrubensteinlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/dagisubudebipef.pdfIn PDF document text
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/16082d59f2d168---39405807028.pdfIn PDF document text
- http://getdol.com/page_data/file/zamipenuwonozuwimuribu.pdfIn PDF document text
- http://npcbalkan.net/ckeditor/ckfinder/userfiles/files/vulevowuminejezavoredo.pdfIn PDF document text
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/vsl4lm3ncbdsgr9t3778rhutqo/nixawaza.pdfIn PDF document text
- http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/0vk6jbt374ik2f9o7pgo7euut3/feguzu.pdfIn PDF document text
- https://polenhosting.com/calisma2/files/uploads/pijejijorule.pdfIn PDF document text
- http://jaht.com/userfiles/file/ropuzulomifowogu.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608ad251ab0a8---37042998037.pdfIn PDF document text
- https://duext.com/wp-content/plugins/super-forms/uploads/php/files/cebfd6d295c07fb2ee541e777608bd5d/79037446017.pdfIn PDF document text
- http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/rpl9vbii7tslkppnrd3qc8pup0/88022411752.pdfIn PDF document text
- https://lensprovn.com/ckfinder/userfiles/files/zitojedowu.pdfIn PDF document text
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/fdf63f6e2ec8a8b6cad43a8327642859/36316432416.pdfIn PDF document text
- http://mocphatreal.com/assets/images/ckfinder/files/21524191325.pdfIn PDF document text
- http://liceoadultos.juniorcollege.cl/userfiles/files/rumogarujunemetazifekat.pdfIn PDF document text
- http://naviway.su/upload/files/6023309254.pdfIn PDF document text
- http://cesishotel.lv/res/wysiwyg/file/gaduraw.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=early+childhood+education+in+finland+pdfPDF 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_off0000ba05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA05 | 15856 bytes |
SHA-256: bcd653fd4fe4a6b2990dcd9c52e308d241f37b22bdc4f6c21f049bb941b5fc9d |
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font_01_sfnt_off0000e2a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2A9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fac0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAC0 | 10748 bytes |
SHA-256: 46ce3ecc4845ecd5c1ed1b1f212c8bc8b78b20129ea1ab1a5cbc8659fe5bdca7 |
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