MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample was identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing or link farm PDF. It contains numerous embedded URLs, with one pointing to 'infrive.ru' and another to a Weebly-hosted PDF, suggesting a redirection or download chain. The PDF structure and heuristic firings indicate it's designed to lead users to external, potentially harmful, content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
Heuristics 5
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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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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://infrive.ru/pbw?utm_term=yog+lore+era+of+chaos PDF link annotation
- https://vumevomuw.weebly.com/uploads/1/3/4/3/134335884/3712305.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485800/normal_605f5aab534ac.pdfIn PDF document text
- https://nuvitawejizi.weebly.com/uploads/1/3/4/7/134767919/b57c66e2b1a.pdfIn PDF document text
- https://rotarivinevi.weebly.com/uploads/1/3/4/5/134599250/899d7827e08cc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366399/normal_60627c0c6d672.pdfIn PDF document text
- https://jaxedafotonomut.weebly.com/uploads/1/3/4/8/134885779/9756982.pdfIn PDF document text
- https://bikirufiw.weebly.com/uploads/1/3/1/4/131452989/binikojan-zemonufuvuxeme-lajopa-bovegivadimogo.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4401985/normal_5fc87cb47b124.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4501364/normal_600abe2f2ff65.pdfIn PDF document text
- https://xoxebugifujame.weebly.com/uploads/1/3/4/4/134478015/fesixatovezuxafeza.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446286/normal_5fe656239a867.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4453909/normal_605b6f3da6fc4.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4479433/normal_60b558ba53ae1.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://xifilipisi.pbworks.com/w/file/fetch/144574992/beziminalitefarapev.pdfIn PDF document text
- http://febokipup.pbworks.com/w/file/fetch/144578607/how_old_is_pilar_pascual.pdfIn PDF document text
- http://bupataved.pbworks.com/w/file/fetch/144419772/les_alphas_livre_du_maitre.pdfIn PDF document text
- http://fixunomavow.pbworks.com/f/69975602497.pdfIn PDF document text
- http://kepigiwup.pbworks.com/f/dinunugubeja.pdfIn PDF document text
- http://bojirakaj.pbworks.com/w/file/fetch/144751236/63001821427.pdfIn PDF document text
- http://fokurid.pbworks.com/w/file/fetch/144684972/mastering_apache_cassandra_3.x_-_third_edition.pdfIn PDF document text
- http://didaneguk.pbworks.com/w/file/fetch/144427350/kusajujar.pdfIn PDF document text
- http://volikedejefa.pbworks.com/w/file/fetch/144419196/modern_spanish_grammar_download.pdfIn PDF document text
- http://pebegijopolo.pbworks.com/w/file/fetch/144587679/algebra_and_trigonometry_structure_and_method_book_2.pdfIn 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_off000123f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123F2 | 5104 bytes |
SHA-256: a4b1232d07962d7ee4396edd257528038ad911dce3a3eaeb6c1ce5c4c60254c2 |
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font_01_sfnt_off00013553.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13553 | 10964 bytes |
SHA-256: 5682f50a45135b64a20090a936ea703efe0285444fb54bd4bfa95d23aa19419e |
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