MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URIs pointing to disposable domains, many of which host further PDF files, indicating a link farm designed to distribute malware. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution. The presence of external URIs and a link farm heuristic points towards an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9929
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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://ferado.vn/userfiles/file/silidinexerevewosekurigot.pdf In PDF document text
- http://purofirstli.com/userfiles/files/balimigupusonul.pdfIn PDF document text
- http://restokrat.info/userfiles/file/tijuv.pdfIn PDF document text
- http://tatugigo.com/ckfinder/userfiles/files/gimux.pdfIn PDF document text
- http://xn--oy2b19v1mb1yi.com/userfiles/file/54726928865.pdfIn PDF document text
- https://usssecuritate.ro/userfiles/file/72612999805.pdfIn PDF document text
- http://140.121.161.111/ckfinder/userfiles/files/wobig.pdfPDF link annotation
- http://profitoolinfo.ru/ckfinder/userfiles/files/zepivugirinegalap.pdfIn PDF document text
- http://2013.letnifestiwal.pl/ckfinder/userfiles/files/rezuvinesexusi.pdfIn PDF document text
- https://adamant54.ru/userfiles/files/78096732259.pdfIn PDF document text
- http://friulanamarmi.it/images/file/pemijedumowunoredudusazij.pdfIn PDF document text
- http://photopuzzle.net/userData/board/file/ninoluwikafowip.pdfIn PDF document text
- https://emailchopper.rockeit.com/userfiles/file/jibutenadimibi.pdfIn PDF document text
- http://thomasgearon.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/76545561755.pdfIn PDF document text
- https://ladangmimpi.com/contents/files/44863201596.pdfIn PDF document text
- http://h04ydivan.ru/userfiles/file/tibobelixivajakudok.pdfIn PDF document text
- https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/137d9ba2c2b54f7db26209308b38e454/mojonanigivipiwup.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130417aac633---naninasumopiduma.pdfIn PDF document text
- http://bijverhoeven.nl/uploads/files/kufubuduwajanuwujigubexu.pdfIn PDF document text
- https://argekaucuk.com/nbg/upload/files/14526719574.pdfIn PDF document text
- https://yenicekentkaplicasi.com/userfiles/file/72720138302.pdfIn PDF document text
- http://websteravelandscaping.com/editorData/file/70720585398.pdfIn PDF document text
- http://baigeleather.com/userfiles/file/84842835654.pdfIn PDF document text
- http://pickup-ws.com/userfiles/files/64848158804.pdfIn PDF document text
- http://clinicaveterinariabilancino.it/userfiles/files/54723659591.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=magnus+chase+book+1+pdfPDF 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_off0000fec5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEC5 | 10940 bytes |
SHA-256: dae47a4372901c3c0a16c0b2cb8bdf9a41bb72e8b42238aa5bf46e2a4c688e0c |
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font_01_sfnt_off000117b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117B0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012fc2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FC2 | 19048 bytes |
SHA-256: 4c01f3940bd7eec100df3b33a1c1e232fedefc7ba127c7461ad0e016cf4c0c3a |
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