MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many pointing to disposable hosting and structured as a link farm. This suggests a phishing or SEO manipulation scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or distributing further malware via the linked PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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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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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://pelibifir.ru/wix?keyword=cladogram+analysis+biology+answers PDF link annotation
- http://bisibometixo.mywebcommunity.org/31055412491.pdfIn PDF document text
- https://woxukobu.weebly.com/uploads/1/3/4/3/134392577/8389886.pdfIn PDF document text
- http://rinujajija.getenjoyment.net/tujugovejotowofixamigoj.pdfIn PDF document text
- https://ponefapu.weebly.com/uploads/1/3/1/6/131637257/bomefami.pdfIn PDF document text
- https://dalenorilesa.weebly.com/uploads/1/3/4/8/134858788/7746861.pdfIn PDF document text
- https://panesiwosejel.weebly.com/uploads/1/3/0/7/130739396/joposozegure.pdfIn PDF document text
- https://kovapuneluwaze.weebly.com/uploads/1/3/2/3/132302913/9513273.pdfIn PDF document text
- https://faporipito.weebly.com/uploads/1/3/4/6/134600592/3613436.pdfIn PDF document text
- https://nosevale.weebly.com/uploads/1/3/2/6/132683459/828eb891.pdfIn PDF document text
- https://vatopefo.weebly.com/uploads/1/3/1/3/131398509/6537020.pdfIn PDF document text
- https://xevefozivoro.weebly.com/uploads/1/3/5/3/135339272/fefewiwoxif-xokerit-zozesodoxaz-jivigukufugobob.pdfIn PDF document text
- https://sewobefavewekog.weebly.com/uploads/1/3/4/3/134367647/fudedupewukevelisi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://jitawidavez.atwebpages.com/bazitujamukizefazagu.pdfIn PDF document text
- http://womawujun.atwebpages.com/59376880206.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8ea088fd-fac9-4fa4-b615-c62ca2c99be0/2005_nissan_murano_transmission_reviews.pdfIn PDF document text
- http://satovimowenijor.myartsonline.com/muwazolezisoz.pdfIn PDF document text
- http://vifidumefitur.atwebpages.com/minisabasokak.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1e26b288-79c6-4f92-bf55-dc27b69c4390/26340429949.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d2ba5ba0-6729-4365-93fe-939f6420abb0/how_to_use_malem_bedwetting_alarm.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dc10a58d-9e64-42c1-9b5c-58d6545cd808/what_is_the_strongest_indoor_tv_antenna.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8420db93-c85b-46fd-8e09-161689646b59/77061807796.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_off00010133.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10133 | 5384 bytes |
SHA-256: 17c46c6715348324c5a5b20889725979fc913815dca623079b8ebb7b124e0224 |
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font_01_sfnt_off0001137d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1137D | 10676 bytes |
SHA-256: ca4a8e889cbbc9ef20b8b3645ca939a374322c0c4dae03c21ee2ea221e9eb350 |
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