MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple links to external PDFs hosted on various domains, indicating a likely attempt to redirect users to malicious content. The heuristic 'PDF_RANDOM_URL_LINK' and 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggest a phishing or malware distribution scheme. The ClamAV detection further confirms its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 8
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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 http://ttfi.org/app/webroot/userfiles/file/8575561006.pdf In PDF document text
- http://bannhuaduong.net/upload/files/80066711661.pdfIn PDF document text
- http://clinicaveterinariacittadivignola.com/userfiles/files/wezaninidagetamakuruzu.pdfIn PDF document text
- http://blueview.nl/app/webroot/files/userfiles/files/71269570414.pdfIn PDF document text
- https://bodykneadstherapy.com.au/ckfinder/userfiles/files/wigovafomuzunezuligep.pdfIn PDF document text
- https://fisheaglesafaris.net/pics/user/file/xibafotefarijusogeno.pdfIn PDF document text
- http://kashima.cc/userfiles/file/96533086304.pdfIn PDF document text
- http://kingsauto-bar.com/js/upload/files/xovipuzepifelozilibeguwo.pdfIn PDF document text
- https://777mto.org/contents/files/vutiwirusi.pdfIn PDF document text
- https://hinaweb.com/upload/file/votapurujejava.pdfIn PDF document text
- https://economiadecomunion.com/ckfinder/userfiles/files/lavokamosuzaruriminizijo.pdfIn PDF document text
- https://alrashed-alsaleh.com/userfiles/files/daxefuzotowojizulovizop.pdfIn PDF document text
- http://theclubburger.com/uploads/files/28326527105.pdfIn PDF document text
- http://emannsltd.com/userfiles/fokerivu.pdfIn PDF document text
- http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135115a49125---13471617087.pdfIn PDF document text
- https://pielinks.com/UserFiles/file/29192849008.pdfIn PDF document text
- http://confetti-seasons.ru/upload/files/wuwigokosujakuxobej.pdfIn PDF document text
- http://knx-shop.ru/admin/ckfinder/userfiles/files/tujunomofikaralilojajol.pdfIn PDF document text
- https://eagleegg5k.com/ckfinder/triplebuserfiles/file/desofusex.pdfIn PDF document text
- http://goldendazzle.com/upload/quangtri/files/gevimogapepe.pdfIn PDF document text
- http://redigonda.it/userfiles/files/96030528287.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=how+to+install+messenger+on+my+phonePDF 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_off0000de85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE85 | 17496 bytes |
SHA-256: 73d56ef6a02aba021b0058331dc26de4258388ac810d27632da85650c3f972aa |
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font_01_sfnt_off00010bfa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BFA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012411.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12411 | 10892 bytes |
SHA-256: 0fdc6eab2d21b1d5b888ce2ebb24ad2b07ac791d951f5bcd77435a53a559c3db |
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