MALICIOUS
172
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external links, many hosted on disposable or compromised domains, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent. The embedded JavaScript likely serves to redirect the user or initiate a download, contributing to the overall malicious workflow.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://goldartline.ua/userfiles/file/51438969961.pdf
- http://albatrossmrn.com/konadnew/userfiles/file/moweniririsevejuradej.pdf
- https://a2designbg.com/userfiles/file/37834663354.pdf
- http://hoanggiaphatstone.com/upload/files/fegonuk.pdf
- http://quimis.org/js/ckfinder/userfiles/files/60743409881.pdf
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f409dc7bad4---serelu.pdf
- https://aildf.in/userfiles/file/21983085097.pdf
- https://braintreeclinics.com/app/webroot/img/files/tidosiwenija.pdf
- https://relaxbotanika.cz/ckfinder/userfiles/files/sugikogitisazexeni.pdf
- https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/c2f448e3cb0388d2157878611caa0e79/sosewitujimimuzofevo.pdf
- http://clubsahdianagalati.ro/upload/editor/file/8164129186.pdf
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/160886d9737bf6---73038965350.pdf
- https://aspirans.com/files/file/junusuxo.pdf
- https://skvacations.com/userfiles/file/88870666895.pdf
- http://georgekoldun.com/var/upload/file/64481127798.pdf
- http://gayaarchi.com/userfiles/file/20210611122604.pdf
- http://ruben.pl/ckfinder/userfiles/files/libosobigowajo.pdf
- https://www.utn.ac.cr//sites/default/files/files/29422537151.pdf
- https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/h69b3jr5760t0hr37uhsqk1266/vudaxaxikoruwepudabe.pdf
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608eb7a4734e0---29138576504.pdf
- https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/e0tjv5od1o00kpfht27brgkn9k/kexavixoju.pdf
- http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607883d907797---doromujun.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=vizio+v+series+v505+manual
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010fae.bin06cd449b2b1b98d6544b9cdd698bf6f491479196419bc222b9a9f1d39a4198a7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FAE | 10620 bytes |
font_01_sfnt_off0001280e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1280E | 16792 bytes |
font_02_sfnt_off00014020.bin397cad114a730ec3777d92f3942d0343d2aa7006d87b02eb12895cc35b36d54c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14020 | 17900 bytes |
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