MALICIOUS
186
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. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to distribute malicious content or phish users. The document body, though heavily obfuscated, appears to be related to academic content, likely a lure to encourage clicks on the embedded URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9954
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/aws?utm_term=communication+and+human+behavior+6th+edition+pdf PDF link annotation
- https://rekepepijo.weebly.com/uploads/1/3/4/0/134018016/rupinexuduwodaromumi.pdfIn PDF document text
- http://gililofus.medianewsonline.com/perfect_squares_and_cubes_quiz.pdfIn PDF document text
- http://jenerotisa.mywebcommunity.org/golaxegifowivanidofa.pdfIn PDF document text
- https://fajimidisuwa.weebly.com/uploads/1/3/1/6/131606183/xojoleliwabi.pdfIn PDF document text
- https://vebajixumese.weebly.com/uploads/1/3/4/4/134483039/acbaf196fa4088d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4495707/normal_60510c9bb093b.pdfIn PDF document text
- http://lewijufe.sportsontheweb.net/usps_priority_mail_express_international_tracking.pdfIn PDF document text
- https://mifavawuzizadax.weebly.com/uploads/1/3/5/9/135977912/nizepesilano-ligulizex-muzaxetuteximog.pdfIn PDF document text
- http://mosebuzixat.mywebcommunity.org/stock_market_crash_canada_1920.pdfIn PDF document text
- http://pojebanidik.mywebcommunity.org/niv_study_bible_catholic.pdfIn PDF document text
- https://zibaxewax.weebly.com/uploads/1/3/4/6/134699960/jalonefazu.pdfIn PDF document text
- http://boxijogirexu.medianewsonline.com/84926496296.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426955/normal_5fdc7d433cae7.pdfIn PDF document text
- https://dadekubezaxinis.weebly.com/uploads/1/3/2/7/132740399/1763444.pdfIn PDF document text
- https://tumulole.weebly.com/uploads/1/3/6/0/136054957/0955925e442.pdfIn PDF document text
- https://kazerefe.weebly.com/uploads/1/3/1/0/131070627/66c869ff.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4373527/normal_5fcaa5e27c461.pdfIn PDF document text
- http://vitetoka.scienceontheweb.net/antigona_gonzalez_english.pdfIn PDF document text
- https://vomerigovelaj.weebly.com/uploads/1/3/4/9/134901888/2365385.pdfIn PDF document text
- http://mapugukabazewu.scienceontheweb.net/80132230181.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/da06904e-537f-4545-9d3f-6fcbaf8d0737/nadadadukigizamugepo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cb6331d1-7a1b-4b61-ba26-5d90cea105c2/jivofozirununawijefebi.pdfIn PDF document text
- http://gagugitebuf.atwebpages.com/65413459685.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7c3c6f67-6aa4-4cfe-969f-72fba2129823/information_technology_specialist_ii_interview_questions.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/974951d1-d1a5-4784-befd-f24f03a23179/23952257130.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/974d1060-0ffe-4ce1-9b74-f8d7d68caf58/goxuvajudasule.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_off0000e5a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5A9 | 5444 bytes |
SHA-256: 384e965a9ed5b9231929aa8c5734f8a6c2c1b55b5533193541092140079ed307 |
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font_01_sfnt_off0000f7fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7FE | 11116 bytes |
SHA-256: 34138b99c6c9d1c12d02ac853abc4e09dada00a01ad084f2b4f44548b8ef2ae7 |
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font_02_sfnt_off00011e32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E32 | 16084 bytes |
SHA-256: 3dd6252bb62cdcc21e2b76bdeb68ba6c8db9c2d08edae94764e010183c5b1848 |
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