MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple URLs pointing to link farms, some hosted on compromised WordPress sites and disposable domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to trick users into downloading further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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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://redac.ch/upload/sogijuv.pdf In PDF document text
- http://tomaszfilipczak.pl/userfiles/file/girujikaxusonelilumenid.pdfIn PDF document text
- http://stauarchitetti.eu/userfiles/files/57923116077.pdfIn PDF document text
- http://vector-mebel.ru/uploads/files/tofuxofaruzebagomeruwudud.pdfIn PDF document text
- https://yenhuy.vn/upload/files/sogutibala.pdfIn PDF document text
- http://lev-steklo.ru/userfiles/file/nezapinevalabad.pdfIn PDF document text
- https://manage4.realtourvision.com/rtv/ckfinder/userfiles/images/files/17948073433.pdfIn PDF document text
- https://peoplesmodelinternational.com/ckfinder/userfiles/files/82343892323.pdfIn PDF document text
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613eb24bc1601---seretasopa.pdfIn PDF document text
- https://hmanagement.net/userfiles/file/warodatupipazuvi.pdfIn PDF document text
- http://nassagroup.org/app/webroot/js/ckfinder/userfiles/files/jaful.pdfIn PDF document text
- http://www.its-dph.cz/admin/fckeditor/editor/userfiles/file/64216717609.pdfIn PDF document text
- http://bankerz.in/qpic/files/70029151766.pdfIn PDF document text
- http://reicar.dk/userfiles/file/jofalobu.pdfIn PDF document text
- http://royal-pizza.eu/files/file/zomilugen.pdfIn PDF document text
- http://ornito-silesia.eu/userfiles/file/mumazepazopobajotazujaw.pdfIn PDF document text
- http://starfishdowney.com/uploads/files/75289969163.pdfIn PDF document text
- https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/03cb90974adbe42ae5b1ca9751fcfc42/mogusadiru.pdfIn PDF document text
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614174b1607a8---ximojubedumumilevalekil.pdfIn PDF document text
- https://hotelangela.hu/userfiles/file/48021614959.pdfIn PDF document text
- http://ranch.pl/files/file/5294332117.pdfIn PDF document text
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613ddb3646351---vitabiporogef.pdfIn PDF document text
- http://etabetasurvey.com/userfiles/files/defoju.pdfIn PDF document text
- http://fvv-hohenfelde.de/sites/default/files/files/kuvilevur.pdfIn PDF document text
- http://nickelsgrafikdesign.de/ckfinder/userfiles/files/leliwijexil.pdfIn PDF document text
- http://barahi.com/assets/userfiles/files/rupuxepodutuzuwejojujig.pdfIn PDF document text
- https://dacinsara.ro/fckfiles/file/bozotudadimusasajelitixub.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=magical+beauty+plus+cameraPDF 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_off0000b80e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB80E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d020.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD020 | 17200 bytes |
SHA-256: d524f319c28d4945b6dd64ae39ae908384a8623bad00f2fe25d3d807b8880849 |
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font_02_sfnt_off0000fc1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC1B | 10840 bytes |
SHA-256: 5bbccb147b37b6f5982d4414165aa7af7b0360cce47a9b0c27feb577b5dabe46 |
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