MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is often used to redirect users to malicious websites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the document is part of a link farm on disposable hosting, and the presence of numerous external URIs suggests an attempt to direct users to a network of sites. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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 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://masukpt2.com/contents/files/54373920666.pdf In PDF document text
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/e0adf2c8ebcd870128c5f271fd6d572c/20405659470.pdfIn PDF document text
- http://alacartedesign.de/userfiles/file/34951097001.pdfIn PDF document text
- http://cistenivytahu.cz/upload/file/15222441130.pdfIn PDF document text
- http://spec-so.ru/sites/default/files/file/52140550934.pdfIn PDF document text
- https://fond.ru/userfiles/file/37390906582.pdfIn PDF document text
- https://texasbordervolunteers.org/userfiles/file/nisikikekasonapizezokavob.pdfIn PDF document text
- http://angelofthewinds.org/ckfinder/userfiles/files/lowojolawixiliwenu.pdfIn PDF document text
- http://agedwedfjtj.pretty-match.com/upload/files/20138994129.pdfIn PDF document text
- http://downtowncincyhotels.com/core_degree/admin/images/cms_imagesfiles/69248406089.pdfIn PDF document text
- http://uts.edu.co/portal/app/ckfinder/userfiles/files/85889127252.pdfIn PDF document text
- http://ducthanggroup.com/webroot/img/files/digesuvetin.pdfIn PDF document text
- http://e-hematologica.com/users/file/34764855267.pdfIn PDF document text
- http://taxfreepoint.com/file/47056589169.pdfIn PDF document text
- http://grandp.ru/userfiles/file/99867466902.pdfIn PDF document text
- https://patoman.ro/ckfinder/userfiles/files/78295008816.pdfIn PDF document text
- http://mzch.pl/userfiles/file/41292796286.pdfIn PDF document text
- https://www.dgaspcsm.ro/ckfinder/userfiles/files/75258254706.pdfIn PDF document text
- https://phu-komplex.pl/pliki/file/dororifekixipesobifajemud.pdfIn PDF document text
- https://tramtron.vn/uploads/files/files/28603023497.pdfIn PDF document text
- http://scenekunstskolen-efteruddannelsen.dk/ckfinder/userfiles/files/posedidipagisosofoxi.pdfIn PDF document text
- http://finalstage.biz/js/upload/files/jopakatogakufow.pdfIn PDF document text
- https://jerseyshorepirates.com/userfiles/files/17856692747.pdfIn PDF document text
- https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613a06828dced---13511669585.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=things+name+start+with+aPDF 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_off0000d58a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD58A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eda1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDA1 | 10440 bytes |
SHA-256: 2a17e6ae0f347077355789be07050f97a88e8fbf04e031f711d8dd40cfe67577 |
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font_02_sfnt_off00010522.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10522 | 17964 bytes |
SHA-256: 29eadcc8ff030e4cc00d9fd1162b0e4acd8abbaf46219768cfb8c4aefe64fa39 |
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