MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ClamAV as a phishing trojan and a machine learning classifier indicated a high probability of maliciousness. The document contains numerous links pointing to compromised WordPress sites and other disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and link farm characteristics indicates an attempt to exploit users through deceptive redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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://mmtours.si/uploads/tedipazogoxurakewafitu.pdf In PDF document text
- https://vidolamerica.org/wp-content/plugins/super-forms/uploads/php/files/13e5076172e1306c42b9f7aa14230aab/39377401632.pdfIn PDF document text
- http://partner-support.net/user_data/userfiles/files/13249801646.pdfIn PDF document text
- https://mimpiindah2.com/contents//files/88526000268.pdfIn PDF document text
- https://www.propertyadvisersaustralia.com/wp-content/plugins/super-forms/uploads/php/files/6037a7def70295733306cb164e66267c/vujatanuwig.pdfIn PDF document text
- https://bbpartner.cz/userfiles/file/jibasagusovurivatonixa.pdfIn PDF document text
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4484d16022---88250789031.pdfIn PDF document text
- https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/cj88kr4v3vhtla7471lc8k9ge0/32009961042.pdfIn PDF document text
- https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/7a245223d3a2f6bca11c6317458e597f/fiwaxonumaderatureru.pdfIn PDF document text
- http://scan3dsaigon.com/upload/files/99032836412.pdfIn PDF document text
- http://burragebrothers.net/demo/jolie/beta/userfiles/files/49066076624.pdfIn PDF document text
- http://hotelpenza58.ru/ckfinder/userfiles/files/31297592063.pdfIn PDF document text
- https://fratellifurloni.it/file/nizirufilagakej.pdfIn PDF document text
- https://cylinder96.ru/admin/ckfinder/userfiles/files/dizowukikunozokuneve.pdfIn PDF document text
- http://w-f-l.de/user_img/file/kezarabani.pdfIn PDF document text
- http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/eb15e4ef64c2f4d7b3f4f863fc337337/baxawubitavidigamilaloji.pdfIn PDF document text
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609b751279b97---denanekiritati.pdfIn PDF document text
- https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/a9irgenvf9fq3u8ctqo9mjapbk/62146874907.pdfIn PDF document text
- http://harasim.cz/uploaded/files/58996588308.pdfIn PDF document text
- https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/6a8a31078e7b55388ff0e8efc5c62377/8501407998.pdfIn PDF document text
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/3a810470ef0f347cc3c0fe9e90bb0f34/63379270284.pdfIn PDF document text
- https://pensionatiitalianiinportogallo.it/wp-content/plugins/super-forms/uploads/php/files/a2903938bbce44e5fb21bdcab5e75016/puwuxevinek.pdfIn PDF document text
- https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/998980bf0f34812512c0f0e5b7200bf7/22534050585.pdfIn PDF document text
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/73692c879ffb4f914f4316d2fe1747d4/6423910870.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=is+bigen+safe+during+pregnancyPDF 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_off00012061.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12061 | 10836 bytes |
SHA-256: 50cd26a40f5bc6277141d309ea3371d8b4681b60956a40f34a0bd67e5b7a2d03 |
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font_01_sfnt_off00013917.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13917 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00015129.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15129 | 17304 bytes |
SHA-256: 6d85203db0cba22adf80061d889d36e78eb2c70815502c1792d1bd35215d2539 |
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