MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF file 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 designed to redirect users to malicious sites. The presence of 'utm_term' parameters in some URLs indicates a tracking mechanism, common in phishing campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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://dugedepap.ru/strik?utm_term=definitionado+level+16+question+4 PDF link annotation
- https://static.s123-cdn-static.com/uploads/4467950/normal_5fed06fab678b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426059/normal_60404ea61dbe2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489598/normal_603fa1605890c.pdfIn PDF document text
- http://femonejigajape.mywebcommunity.org/ipa_symbols_and_examples.pdfIn PDF document text
- https://tudegikugil.weebly.com/uploads/1/3/5/3/135317618/misol.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4422658/normal_603633ea5a551.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4485156/normal_5feb3909cd98e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388842/normal_606e8f91ebb63.pdfIn PDF document text
- http://niburufajanuto.sportsontheweb.net/limuzokedixamarone.pdfIn PDF document text
- https://jexewibovagajuk.weebly.com/uploads/1/3/4/4/134485971/4346822.pdfIn PDF document text
- https://lumamiwaba.weebly.com/uploads/1/3/4/7/134735329/wofizet.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4391925/normal_60483a7e33461.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4472185/normal_5ff45dfb64e3e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4446399/normal_5ff76622792a0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417123/normal_60472847b4de5.pdfIn PDF document text
- http://xexapitanegis.getenjoyment.net/median_gdp_per_capita_uk.pdfIn PDF document text
- http://dorulezebum.sportsontheweb.net/example_of_extended_abstract_for_conference.pdfIn PDF document text
- https://siroxejuvumuku.weebly.com/uploads/1/3/4/6/134657252/1382000.pdfIn PDF document text
- https://xabanovodo.weebly.com/uploads/1/3/0/7/130739860/3e1847084d4e.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/3e8408a2-9197-40ad-9bf6-2d32eb9961a0/kindle_keyboard_reset.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9a40f20b-06d9-4cff-b45a-4911864158cb/whats_a_good_safety_slogan.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bc306072-77a2-47b7-bb93-b57aa6e11b74/is_twilight_zone_available_on_netflix.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/36ce79b2-f6e8-4472-af21-60367fac3dc5/sinikila.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000139c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x139C0 | 5284 bytes |
SHA-256: 192d62565b314107b36a7ddc036692523453e69df87d7374cdf9438ca1b4c3b7 |
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font_01_sfnt_off00014be1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14BE1 | 12460 bytes |
SHA-256: 73d0709dcf3e1b9bf50e15c29036ac0698701d52d90286b1e3a836ca27f98d24 |
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font_02_sfnt_off0001766c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1766C | 16204 bytes |
SHA-256: a95eff378c135b1ab40d10b3cd1da1bafbc07f86005f57898d079c90d712ddbd |
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