MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains a large number of external links, many hosted on disposable domains, characteristic of a link farm or SEO spam operation. The primary URL observed is https://leonvi.ru/aws?utm_term=how+many+carbs+are+in+a+large+ocean+water+from+sonic, which redirects to a link farm. The document body is heavily obfuscated and appears to contain junk data rather than user-facing content.
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://leonvi.ru/aws?utm_term=how+many+carbs+are+in+a+large+ocean+water+from+sonic PDF link annotation
- https://jitebogegamoma.weebly.com/uploads/1/3/4/7/134761197/79dbb2957ea4a3.pdfIn PDF document text
- https://nododekevage.weebly.com/uploads/1/3/4/7/134733794/xasez.pdfIn PDF document text
- https://cdn.sqhk.co/salozudat/jbgdIHb/duxamolurelomujove.pdfIn PDF document text
- https://cdn.sqhk.co/nakijalufiw/gie1gcQ/rum_balls_recipes.pdfIn PDF document text
- https://cdn.sqhk.co/texojijoraso/Qp4wicH/human_lifespan_in_america.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369518/normal_604cc7eca2d93.pdfIn PDF document text
- http://rakakap.iblogger.org/jimmerson_lake_fishing_report.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444366/normal_6023d5377277c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4454665/normal_5fee2f86db0ae.pdfIn PDF document text
- https://vimexizud.weebly.com/uploads/1/3/4/7/134755563/pokudotenatininu.pdfIn PDF document text
- http://baxosemot.iblogger.org/94522272557.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4456687/normal_5ffdcb31afcab.pdfIn PDF document text
- https://lewibodozibepa.weebly.com/uploads/1/3/3/9/133997785/zadepegezogo.pdfIn PDF document text
- https://cdn.sqhk.co/senuziker/dhgQjgR/68249467396.pdfIn PDF document text
- http://solerizimifo.iblogger.org/autocad_2020_complete_tutorial.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://pugagewuda.rf.gd/vilareloxa.pdfIn PDF document text
- https://f89b8795-a90f-4359-81e0-6309601a98d9.filesusr.com/ugd/8e7730_afd9e1cb886441918278dfdd2af3accd.pdf?index=trueIn PDF document text
- https://ee60c613-3dd1-430d-b711-08e3dcbf0273.filesusr.com/ugd/19ce5d_f5e4dc1e391d4aac8b37f519b0dcb4ba.pdf?index=trueIn PDF document text
- https://7a48fde5-f9d1-4ce4-84a2-8b156d245d18.filesusr.com/ugd/8127dd_57f993ef87cb43b8b9550aed755f3453.pdf?index=trueIn PDF document text
- https://3437305d-a3f4-4f94-9a63-846dd410f5be.filesusr.com/ugd/ffe76b_4ff0e035ad864001bacb72d6e4f664bc.pdf?index=trueIn PDF document text
- http://jovukanuwu.rf.gd/xigirujufamuti.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_off0000caff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAFF | 5496 bytes |
SHA-256: 9475791afef4dcd8515700e29ee6cd5fce02ec55c5c0e98061b21479dac4aea0 |
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font_01_sfnt_off0000ddb2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDB2 | 10368 bytes |
SHA-256: edb176439eb46ea7d6b574f1dab5be7e88f85d0ec4c72834f6e669a5a4550a75 |
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