MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. The presence of numerous external URIs, many pointing to potentially disposable domains and flagged as a link farm, suggests a phishing or scam attempt to redirect users to malicious sites. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to download and execute a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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 http://mxag.com/upload/browse/file/73405806035.pdf In PDF document text
- http://dezis.ru/uploads/files/36389741293.pdfIn PDF document text
- http://gamebonda.com/ckupload/files/kagepufubozud.pdfIn PDF document text
- http://deleersnijder-bocaege.be/images/file/81193937260.pdfIn PDF document text
- http://cuatro-pr.org/sites/default/files/file/rereroduzu.pdfIn PDF document text
- http://www.gonouvellezelande.com/files/29875731899.pdfIn PDF document text
- http://studiotecnicomaglio.it/userfiles/files/11362368551.pdfIn PDF document text
- http://www.kickcommerce.com/userfiles/file/zodofugefodamed.pdfIn PDF document text
- http://quimis.org/js/ckfinder/userfiles/files/393949260.pdfIn PDF document text
- http://crescentcarpets.com/userfiles/file/20298457000.pdfIn PDF document text
- http://jaatkinson.com/userimages/98662107165.pdfIn PDF document text
- http://bukhatirhomes.com/userfiles/file/24673159803.pdfIn PDF document text
- https://www.pharmawell.eu/ckfinder/userfiles/files/tekopupodazixasofil.pdfIn PDF document text
- http://mediedil.eu/userfiles/files/rudebizaniwupug.pdfIn PDF document text
- https://telliogluhukuk.com/userfiles/file/latizulopofafavezivivep.pdfIn PDF document text
- https://jagamimpi.com/contents/files/tabejimaf.pdfIn PDF document text
- https://lodoshosting.com/calisma2/files/uploads/monejeburisotamexukolobo.pdfIn PDF document text
- http://tbeaindia.com/userfiles/file/16845706871.pdfIn PDF document text
- https://ethnicminorities.heephong.org/ethnicminorities/cmsadmin/ckfinder/files/jusumiwozalased.pdfIn PDF document text
- http://zabbeleecooking.com/ckfinder/userfiles/files/70413239958.pdfIn PDF document text
- http://medwin.kr/userData/board/file/15339257092.pdfIn PDF document text
- https://searchlink.org/userfiles/file/87546473412.pdfIn PDF document text
- http://a-pluset.com/userfiles/mobetiz.pdfIn PDF document text
- https://at-studio.tw/app/webroot/userfiles/files/20210904_233253.pdfIn PDF document text
- http://floramarble.com/uploads/vomegarelavolizovu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=underrated+multiplayer+games+pcPDF link annotation
- 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_off0000cd58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD58 | 17408 bytes |
SHA-256: 1a62fb3e9350f1ac47b2f337a47b458fccfe7612e6134bf03eead8baca1959ad |
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font_01_sfnt_off0000fa56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA56 | 10960 bytes |
SHA-256: ee3f0111d8018629886884fea424f0d5ec98eb0faceb5054c913ac18b6facb93 |
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font_02_sfnt_off0001137f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1137F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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