MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The file functions as a link farm, containing numerous URLs that point to compromised WordPress uploads and other domains, suggesting a phishing or malware distribution scheme. The presence of these links and the detection of a 'Pdf.Phishing.Trojan' by ClamAV strongly support its use as a malicious attachment in a phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://kompletucetnictvi.cz/files/file/mototewi.pdf In PDF document text
- http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a66f596dd76---88445015104.pdfIn PDF document text
- https://amenajarisiconstructii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16091a99317eac---jipirotobu.pdfIn PDF document text
- http://petra-dario.info/upload/datoteke/zanaz.pdfIn PDF document text
- http://www.radanhorse.com/resource/files/nejigepugekoropaxi.pdfIn PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160863f0b3d2ee---davunewaw.pdfIn PDF document text
- https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/s1md8dtgmar3a10vgq75ph32qt/43159730850.pdfIn PDF document text
- https://www.andrecampbell.ca/wp-content/plugins/super-forms/uploads/php/files/c1bc99a27d88b68536150c81ae16d9ee/14479943797.pdfIn PDF document text
- https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/35e759fe5e00a6d220dae130205c1456/36013636216.pdfIn PDF document text
- http://mywymc.com/userfiles/file/90052802873.pdfIn PDF document text
- https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a6b31830d98---90589222162.pdfIn PDF document text
- https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608019eb3bdbe---76314276183.pdfIn PDF document text
- https://akapacha.com/userfiles/file/pulaluwijasaliwekemok.pdfIn PDF document text
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16092803c20010---karunovir.pdfIn PDF document text
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a1733902d06---19635504211.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/1609dbad36efd2---gojiwowojowuvimomasadago.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/612b238cacf2e4eae5df7351f65e62e5/tedovusofezuf.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1608195815918f---kibunigo.pdfIn PDF document text
- https://alate.org/admin/fckeditor/editorfile/vobeworipapivabikibozajo.pdfIn PDF document text
- https://kis-u.com/page_data/file/20210528142535.pdfIn PDF document text
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16084cf0461684---nupepenejimazobeg.pdfIn PDF document text
- http://kutscher-customs.de/gfx/userfiles/files/lugutovezekebonagopo.pdfIn PDF document text
- https://growyourmoney.in/userfiles/files/somivakadobudedaduri.pdfIn PDF document text
- https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/d8d3b9a08d6f77032c57c851c59d5fe8/suberoneravujufup.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=old+rossville+storePDF 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_off0000c576.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC576 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dd88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD88 | 16396 bytes |
SHA-256: 0ecd78d0b3236b0378aa50251c651c1bdea597ec55b36fe23777560a8e1e9013 |
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font_02_sfnt_off000107d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107D9 | 10068 bytes |
SHA-256: b4dfb7404b2f9de1eca2cae57feadbe97689b544a9eae03ee7cf1e249ee77f6e |
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