MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and numerous external links, many of which point to disposable hosting and are algorithmically generated, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to exploit vulnerabilities or trick the user into downloading a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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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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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://laborke.ru/uplcv?utm_term=vip+2+movie+download PDF link annotation
- https://saikekanglun.com/filespath/files/20210904025317.pdfIn PDF document text
- http://mnwebdesign.dk/userfiles/file/gofuru.pdfIn PDF document text
- http://xn--939a66v0zjo3bcvdmrp.com/data/ckfinder/files/juzusofijuz.pdfIn PDF document text
- http://garageanything.com/js/upload/files/jafisakemeti.pdfIn PDF document text
- http://danchrisjewelry.com/userfiles/file/73676279995.pdfIn PDF document text
- http://royalgoodviewresort.com/Uploads/file/karora.pdfIn PDF document text
- http://flygarfield.net/userfiles/file/65266401113.pdfIn PDF document text
- https://oriental-kitchens.com/userfiles/files/24426677480.pdfIn PDF document text
- http://ambulatorioveterinariovianello.eu/userfiles/files/femanutigupamufopux.pdfIn PDF document text
- https://silverbirdmarketing.com/pages/images/file/52022984785.pdfIn PDF document text
- http://goksirlambinowice.pl/img/upload/files/futoredimolofutejubiv.pdfIn PDF document text
- https://mimpishio2.com/contents/files/pinatufebub.pdfIn PDF document text
- http://quangcongluc.com/upload/files/13794139530.pdfIn PDF document text
- http://hytechplus.com/userfiles/file/kogavubivuniwipubuwaxop.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/26043156525.pdfIn PDF document text
- https://debo-fit.be/userfiles/file///23019976097.pdfIn PDF document text
- https://shopexpert.com/app/webroot/files/userfiles/files/50274274782.pdfIn PDF document text
- https://cfi-registration.amyhalter.com/buzzboxgift/img/userfiles/files/62496716720.pdfIn PDF document text
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/0ffe6d34700346f3edc9f0693560d7f5/ripopevewufowo.pdfIn PDF document text
- http://bbdecontra.com/userfiles/files/20700535724.pdfIn PDF document text
- http://uniroll.pl/user_images/file/duxulivigikafo.pdfIn PDF document text
- http://laduses.nl/image/file/mavulizegetuxobifega.pdfIn PDF document text
- http://zeroseistudio.eu/userfiles/files/4753833083.pdfIn PDF document text
- http://farmaciafoglia.eu/userfiles/files/tukame.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_off0000e101.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE101 | 10428 bytes |
SHA-256: cf5d63a52bb3c5d5065f86883bb1f4c6dbe183094e5711c85695d89e9888151d |
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font_01_sfnt_off0000f8a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8A5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000110b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110B7 | 17784 bytes |
SHA-256: 390ed65b5d3c1029b9368140305bc08c18a1f096c7180b1aa6f7b8f04ad8ffe5 |
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