MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a link farm. It contains numerous external URIs, with a critical heuristic firing for a mass external PDF link farm. The primary malicious URL identified is https://nipisod.ru/wix?keyword=nevermore+rwby+lyrics, suggesting a potential phishing or SEO spamming campaign. No scripts were extracted, but the PDF structure itself facilitates the attack by linking to external content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 5
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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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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://nipisod.ru/wix?keyword=nevermore+rwby+lyrics
- https://cdn-cms.f-static.net/uploads/4423460/normal_601b4bd9432b3.pdf
- https://nebobaxewakizix.weebly.com/uploads/1/3/1/6/131637309/nevodup_giniropuvilixuf_bufuxex_vamakaxa.pdf
- https://nawexolaka.weebly.com/uploads/1/3/4/7/134704757/e8918ba91d.pdf
- https://masudokunu.weebly.com/uploads/1/3/4/7/134731157/woxodubib-bivugobuzoteda.pdf
- http://zuzorovix.scienceontheweb.net/bharathiar_university_bcom_books_download.pdf
- https://gabejopow.weebly.com/uploads/1/3/4/5/134597712/jekuzipuk.pdf
- https://static.s123-cdn-static.com/uploads/4366381/normal_5ff9293d4e7db.pdf
- http://tokesuditetu.getenjoyment.net/3d_reader_for_windows_10.pdf
- http://niluwipewuxasa.medianewsonline.com/sivavijisodazebesam.pdf
- https://cdn-cms.f-static.net/uploads/4365567/normal_5fd2a7eaf0e85.pdf
- https://mabaxezo.weebly.com/uploads/1/3/4/7/134766945/7082292.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://s3.amazonaws.com/bewibiwat/28883645858.pdf
- https://56a79910-2d97-40e4-a1df-bca3b17021d7.filesusr.com/ugd/2721fc_8d76faec0c9c4aaab47aed699b959b1a.pdf?index=true
- https://f1ddcea9-c323-452c-a4d3-aaefec61e50a.filesusr.com/ugd/defd8a_00439b54225f4e9aa7e7ebea571aa877.pdf?index=true
- https://s3.amazonaws.com/xarojapi/10494733589.pdf
- https://s3.amazonaws.com/tunenijexe/tobofaxobovabowedumefiti.pdf
- http://wovuluvoju.onlinewebshop.net/23624384569.pdf
- https://fccd5518-64e1-462d-9dbe-8d8d8a19ca7a.filesusr.com/ugd/eb005d_aadf9c998f57460e959b94c6c70ed80a.pdf?index=true
- http://domuromu.atwebpages.com/6815645458.pdf
- https://9c43cb74-45e3-47de-9527-fda2e8336169.filesusr.com/ugd/af0aa9_afaf72434dba4378ad41ccb0f1718956.pdf?index=true
- https://141ebdc9-a3c9-4c6d-b8f9-366dbf139dec.filesusr.com/ugd/46bfb0_8146fa6e47ec4a9abab343f93f4d912e.pdf?index=true
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e524.binb78d5cfdb4fafa9e402abcac07cbdd2ddeca5cbfb2f592e56492d44517c6ed8c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE524 | 4700 bytes |
font_01_sfnt_off0000f52d.bin3d899254a5df92a1be6bafda7ee2a202bfadad16eaba954fccb2e0d01c051073 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF52D | 10752 bytes |
font_02_sfnt_off00011a1b.bin9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A1B | 4324 bytes |
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