MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by a machine learning classifier and ClamAV. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO manipulation tactic. One embedded URL, https://mezovuduw.ru/strik?utm_term=pellet+stove+won%2527t+light+after+cleaning, appears to be a redirector. The document body is heavily obfuscated and contains what appears to be junk data, but the presence of numerous external links is the primary indicator of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://mezovuduw.ru/strik?utm_term=pellet+stove+won%2527t+light+after+cleaning PDF link annotation
- https://tixosagekade.weebly.com/uploads/1/3/4/4/134489061/7968636.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4482418/normal_5fd1df2f8f50d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4416151/normal_5ff305f3e2481.pdfIn PDF document text
- https://nanuleseja.weebly.com/uploads/1/3/4/0/134012971/4eb14d0e7c.pdfIn PDF document text
- https://janikopet.weebly.com/uploads/1/3/4/6/134690806/piwewekew.pdfIn PDF document text
- https://motoburibekisi.weebly.com/uploads/1/3/4/6/134623685/notewemezakaxopuke.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4405930/normal_600c9ac8b457c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4458854/normal_605a1412b4d9f.pdfIn PDF document text
- https://litiwufedoza.weebly.com/uploads/1/3/0/7/130739575/384a0e5a70.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489409/normal_6012450bbf984.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445343/normal_604cfdfd2220a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4411931/normal_5fffaf3ad6dc5.pdfIn PDF document text
- https://tigasuzile.weebly.com/uploads/1/3/1/3/131379741/fajiraned_nazosi.pdfIn PDF document text
- https://jakilirimilibev.weebly.com/uploads/1/3/4/8/134862861/1987694.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4496404/normal_6013e1ad214d5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4448744/normal_5fe9eba40b0de.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4371004/normal_602c9cd3dc35a.pdfIn PDF document text
- https://turetajonu.weebly.com/uploads/1/3/4/6/134629909/e554ad96105831.pdfIn PDF document text
- https://tisudarolajese.weebly.com/uploads/1/3/0/8/130813738/kosupe-dezuxoxuvifewir-xuvifuf-jupif.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459478/normal_60386f7e987a0.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/4bcf0358-02c1-4c3d-9be2-dfdfddef5f2f/advanced_nutrition_and_human_metabolism_book.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9245eb00-e74b-436d-b775-b8213642bbde/51978308417.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/318b396f-2bc1-452c-a2f5-27df03d6b077/always_try_your_best_song.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_off0000f423.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF423 | 5328 bytes |
SHA-256: f0daf64fdee3a9dcb00d6140f5ac1e8ffc58a7e93c11f68ee4f79e6335feb70f |
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font_01_sfnt_off0001065f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1065F | 11488 bytes |
SHA-256: 6ce43d41eea6788832395f06cb04db1fbc3fd4520082fb07cdeafd44bf8bb207 |
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