MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is identified as malicious by ClamAV and an ML classifier, with multiple heuristics indicating it functions as a link farm. The PDF contains numerous external URIs pointing to various domains, suggesting a phishing or malware distribution scheme. The primary attack pattern involves luring users to click on these links, potentially leading to further compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 5
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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 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://ketchas.ru/uplcv?utm_term=android+application+performance+monitoring PDF link annotation
- http://a-aqua.fr/ressource/site-image/files/fafagefi.pdfIn PDF document text
- https://ekselantechnology.solutions/ckfinder/userfiles/files/84376314958.pdfIn PDF document text
- http://prakseologia.eu/userfiles/file/jirobokab.pdfIn PDF document text
- https://tecnomatec.cl/upload/file/80290639507.pdfIn PDF document text
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613531f22eaf2---5725063536.pdfIn PDF document text
- https://spbmworld.com/anaeter_capital/siteadmin/userfiles/files/74146951295.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/16136f5c00d7f6---talijanexukix.pdfIn PDF document text
- http://speaklifeiamgreatness.com/files/files/17950708303.pdfIn PDF document text
- http://baigeleather.com/userfiles/file/xivotikumukakilamobos.pdfIn PDF document text
- http://keyseries.us/userfiles/file/teparopuroserixowobofiz.pdfIn PDF document text
- http://fredericjean.net/oplusco/file/nojefixaga.pdfIn PDF document text
- https://marwaautorepair.com/nbloom/fckuploads/file/minaxodorimuzojizuxur.pdfIn PDF document text
- http://palakkadtourism.in/ckfinder/userfiles/files/35898593851.pdfIn PDF document text
- https://atpl.aero/ckfinder/userfiles/files/46925354191.pdfIn PDF document text
- http://nonstopsushi.com/uploads/files/wemozonasirujifixoxusawen.pdfIn PDF document text
- http://law885995.com/upload/fckimages/file/43707641372.pdfIn PDF document text
- http://www.pes.edu.mn/ckfinder/userfiles/files/81408597511.pdfIn PDF document text
- http://rafaelstore.ru/upload/files/guwamojuzu.pdfIn PDF document text
- https://cissud.com/uploads/ck_editor/files/8492688752.pdfIn PDF document text
- https://alshamiltrading.com/alshamilfiles/file/47638608376.pdfIn PDF document text
- http://maxbrio.kr/files/files/jonadez.pdfIn PDF document text
- https://nycsmindia.org/ckfinder/userfiles/files/tagapa.pdfIn PDF document text
- http://www.casasemio.com.br/ckfinder/userfiles/files/78291984606.pdfIn PDF document text
- http://cmrivestimenti.com/userfiles/files/xapovokotimedijutam.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://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_off0000d49b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD49B | 10776 bytes |
SHA-256: f7b2d9ea4dcb63b73ba4f75fc0bbb6da36f07e1f20a87229cc4bef15c533f01f |
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font_01_sfnt_off0000ed27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED27 | 16980 bytes |
SHA-256: b700428fce16e4f07b5324eb65a108db25f6ecf4169db206aff1423c09f9f93b |
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font_02_sfnt_off0001196c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1196C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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