MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document contains numerous embedded URLs pointing to compromised websites and disposable hosting, suggesting it functions as a link farm for phishing or malware distribution. The presence of external URIs and link farms strongly supports a phishing or credential harvesting attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://oniceh.ru/uplcv?utm_term=extinct+the+giant+deer+reading+answers+mini+ielts PDF link annotation
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bfa36f184e---45559925691.pdfIn PDF document text
- https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/6dj86tl6eddmb9qucj4pekc5di/rurukexisurubarutiser.pdfIn PDF document text
- http://france-ex.com/images/blog//file/saxadulixezap.pdfIn PDF document text
- https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/b3fec17e5af27109ca733037d7b8e38a/83868070952.pdfIn PDF document text
- https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/66c7c9f5e684fc2a0efc93eca1e6325b/82448137450.pdfIn PDF document text
- https://liniagdanskzydowo.pl/files/53822535370.pdfIn PDF document text
- https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/1e9d9155ee630446ca9b67bef3a1e451/83929158967.pdfIn PDF document text
- http://nedirajtebosnu.net/userfiles/file/nabagokanevikoxotuviki.pdfIn PDF document text
- http://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1609fcdce1e37c---mekimuxizugagimodigav.pdfIn PDF document text
- https://panificiopasticceriabattaglia.it/file/garanudekuwozat.pdfIn PDF document text
- http://tuzvedo.hu/elemek/file/33764521076.pdfIn PDF document text
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/16090f4bcd676c---titevunagupisi.pdfIn PDF document text
- http://voszveszprem.hu/_user/file/budeligegokutagop.pdfIn PDF document text
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/8smi9jk04pv4n0r5s0kj2benas/17391612427.pdfIn PDF document text
- http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b447de4adfc---vuxuluvugafawafexo.pdfIn PDF document text
- https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/53a8444b7ee12b54d81b2997f3b5b527/17757127439.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160926dfba84fd---teluvujo.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011f29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F29 | 5468 bytes |
SHA-256: e4415e2b7c40bbf4d9e767e42026f905029ec93cb186948ead75e4d76c8d01b9 |
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font_01_sfnt_off000131af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131AF | 23736 bytes |
SHA-256: c4681d8f4c10f445bce42b8642816eb5fde5b33f5175a72a9fb88a8a0b02082d |
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