MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF containing embedded JavaScript, which is a common technique for executing malicious code. The PDF also contains numerous external URIs, many of which are hosted on disposable domains and appear to be part of a link farm, suggesting a phishing or malware distribution campaign. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document may be instructing the user to open a password-protected archive, a common tactic to bypass gateway security.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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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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://allytemp.ru/uplcv?utm_term=cbr+to+pdf+converter+software PDF link annotation
- https://bestrecycledautoparts.net/images_i/file/11713056785.pdfIn PDF document text
- https://dusunceokulu.net/resimler/files/jabazakutexodijo.pdfIn PDF document text
- http://quick-thailand.com/images/uploads/file/ralemaku.pdfIn PDF document text
- http://enjoyisagenix.com/ckfinder/userfiles/files/bexezujar.pdfIn PDF document text
- https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/161330bb1f2ac1---28202067807.pdfIn PDF document text
- https://shibbirs.com/media/files/javuzufazatekopewu.pdfIn PDF document text
- http://logicamail.it/draft/media/44032119440.pdfIn PDF document text
- http://longarmquiltacademy.com/fckeditor/userfiles/file/sopari.pdfIn PDF document text
- http://lukasikgroup.pl/Image/files/16339421698.pdfIn PDF document text
- http://playoz.com/ckfinder/userfiles/files/fepadaponodeju.pdfIn PDF document text
- https://samuelben-horin.com/userfiles/file/16514938789.pdfIn PDF document text
- http://feuerwehr-mittenwalde.de/mediathek/files/91080722482.pdfIn PDF document text
- http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/83550287298.pdfIn PDF document text
- https://washlounge.in/ckfinder/userfiles/files/47273573935.pdfIn PDF document text
- http://waetsukai.jp/system/ckfinder/userfiles/files/10825734800.pdfIn PDF document text
- https://slide-bearing.com/d/files/vodifusanexuja.pdfIn PDF document text
- https://alrashed-alsaleh.com/userfiles/files/beridiwamebabonojag.pdfIn PDF document text
- http://lulanjina.net/upload/files/jiwiduzojejugowaxevusuji.pdfIn PDF document text
- https://hchoanglong.vn/userfiles/file/96978811676.pdfIn PDF document text
- https://triosms.com/userfiles/file/32940312442.pdfIn PDF document text
- https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/lttn24icab1cq3tt0gu4q2d633/jaseva.pdfIn PDF document text
- https://penzionradvanice.cz/res/file/midelus.pdfIn PDF document text
- http://zjbfjt.com/upload/files/26503579782.pdfIn PDF document text
- http://theprojectmanagement.guru/cote_dor_import/admin/ckfinder/userfiles/files/87903266626.pdfIn PDF document text
- http://atut-biuro.com/uploaded/file/95008680958.pdfIn PDF document text
- http://gdgom.com/upload/file/2109070524495930139i8njguhp40s.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_off0000d63b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD63B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ee52.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE52 | 10796 bytes |
SHA-256: 7b60793b1d786ac32f7a2ef9986caf5ec49e888b04daf252333644d2d334acd0 |
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font_02_sfnt_off0001073a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1073A | 16108 bytes |
SHA-256: 124c77ae08a92838e203983c6108636bbc969bfcdb887c62d831a1790ec53ac6 |
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