MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which are hosted on disposable domains, indicating a link farm designed to obscure the final destination. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware delivery. The embedded JavaScript is a primary mechanism for executing malicious actions within the PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9879
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://ausafe.net/images/art/files/71389362518.pdf In PDF document text
- https://inprovitchile.com/ckfinder/userfiles/files/75537085175.pdfIn PDF document text
- https://fond.ru/userfiles/file/37390906582.pdfIn PDF document text
- http://kaizousha.com/js/upload/files/22052547228.pdfIn PDF document text
- http://lamexmarket.com/uploads/files/92060781344.pdfIn PDF document text
- http://birdwatching.sk/media/file/47463156572.pdfIn PDF document text
- https://spotiverify.com/ci/userfiles/files/4423612227.pdfIn PDF document text
- https://sainaudit.mn/File/manojikusesiwovifi.pdfIn PDF document text
- http://kondicionery-ivanteevka.ru/upload_picture/file/jiwusafalunakab.pdfIn PDF document text
- https://www.fibertech1.com/my_content/js/ckfinder/userfiles/files/mokopoduka.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/kmktsplho1in2ka2m8vc9tep9a/lanogovapoladowupatuzege.pdfIn PDF document text
- https://topclassgardening.nl/images/file/52812205734.pdfIn PDF document text
- http://fasson.vip/images/editor/files/losagobirivativ.pdfIn PDF document text
- http://kurier48.pl/files/userfiles/file/21232349345.pdfIn PDF document text
- https://ryokanclub.com/FileData/ckfinder/files/20210909_EDCBE25884542424.pdfIn PDF document text
- http://thumpamonpally.com/userfiles/file/dudorukepiv.pdfIn PDF document text
- http://cochemical.com/upload/files/walolemevav.pdfIn PDF document text
- http://ckud.handysociality.com/upload/files/vupakalowupezelutawe.pdfIn PDF document text
- http://miyozenemeryville.com/uploads/files/sugijebozabugu.pdfIn PDF document text
- http://naphotelbangkok.com/userfiles/files/zomowuzezetivesivunikugal.pdfIn PDF document text
- http://turatabor.hu/media/girapag.pdfIn PDF document text
- http://ruihuitax.com/files/file/fofowepirubigezurotom.pdfIn PDF document text
- http://giovanniseneca.eu/userfiles/files/37192826632.pdfIn PDF document text
- https://coastalstudio.com/images/main/file/38522432833.pdfIn PDF document text
- https://branchennachweis.eu/userfiles/file/48826573105.pdfIn PDF document text
- https://tramhuonghanoi.vn/upload/files/41258851179.pdfIn PDF document text
- https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16136328176bdf---48805929579.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=night+mode+in+snapchat+androidPDF 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_off00010b7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B7C | 10892 bytes |
SHA-256: 94a024477110b98a7413ef729f052dd5967d1ce33633ec3a8061c3059921330b |
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font_01_sfnt_off00012446.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12446 | 19516 bytes |
SHA-256: 7e0eaabdb6756ff113cacb7602c495da99822f9ae2bc6cff70feb99d7fc4e4ae |
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font_02_sfnt_off00015778.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15778 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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