MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by ClamAV and an ML classifier. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or redirection scheme. One prominent URL, 'https://baarspo.ru/strik?utm_term=hack+for+krunker.io+2021', indicates a lure related to gaming. While no scripts were explicitly extracted, the PDF structure and extensive link farm are indicative of a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://baarspo.ru/strik?utm_term=hack+for+krunker.io+2021 PDF link annotation
- https://cdn-cms.f-static.net/uploads/4470685/normal_604358362b116.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4427544/normal_60111c760fe57.pdfIn PDF document text
- https://josilagowuf.weebly.com/uploads/1/3/4/0/134018629/3f5c0ce5.pdfIn PDF document text
- https://jilarikogezinuv.weebly.com/uploads/1/3/0/9/130969280/merimibasuluv.pdfIn PDF document text
- https://zawibovime.weebly.com/uploads/1/3/2/6/132681883/xojoduroni.pdfIn PDF document text
- https://senamevab.weebly.com/uploads/1/3/4/6/134689233/modabar_zenawomubaregar_xomixeb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368956/normal_5fd7a44ea8930.pdfIn PDF document text
- https://bojuwakuxejekur.weebly.com/uploads/1/3/5/3/135347713/5fc402d6a3f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4501775/normal_5fc850a726cb0.pdfIn PDF document text
- https://popokafiri.weebly.com/uploads/1/3/1/4/131437291/fosewizikam-wovitotu-rijamisenu.pdfIn PDF document text
- https://nudametuwino.weebly.com/uploads/1/3/3/9/133997501/8054418.pdfIn PDF document text
- https://doruxajowivabog.weebly.com/uploads/1/3/4/8/134870444/nogunumadage_ruxoj.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4376866/normal_5ffb2ec156274.pdfIn PDF document text
- https://semoburepov.weebly.com/uploads/1/3/2/8/132815840/6362686.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/gogonof/iti_government_college_admission_form_2019.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6f616d08-6feb-4574-858e-a69de6e39525/duvoxedu.pdfIn PDF document text
- https://s3.amazonaws.com/dudujopixejikug/vipumuziborafa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1455e669-3d99-4b3f-a893-ad0b654adc7b/dream_dictionary_dead_baby.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0d929967-7ef6-421e-ad25-eb66a376f5fd/ecs_ht2000_motherboard_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f2399b4f-1e59-4814-94e6-dc35f84b1d3f/is_panda_express_food_good_for_you.pdfIn PDF document text
- https://s3.amazonaws.com/dukajevo/foxabuw.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c98d08b6-b682-41cf-a19b-989635e2e3bc/depuzilixarejaden.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_off0000d835.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD835 | 5048 bytes |
SHA-256: de9e1c9012c7b70b0a4c6f694fe503ca412defc33f169a9798ed46c72a3b5a92 |
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font_01_sfnt_off0000e97b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE97B | 10372 bytes |
SHA-256: aa3a01961371b04e01f97983240d40789710fc2ae6adf7270a60a7c1b973f754 |
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