MALICIOUS
172
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories, presents a deceptive download button and contains embedded JavaScript. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 https://benjamindreyer.com/wp-content/plugins/super-forms/uploads/php/files/2307ec939820eef13b49702a85a772af/5305319429.pdf In PDF document text
- http://hainescentreasia.com/images/file/jutiparametepomazenigune.pdfIn PDF document text
- https://www.haievent.com/wp-content/plugins/super-forms/uploads/php/files/5bub68c9j1vvanee6khrbj5gnn/zupudirenujuneno.pdfIn PDF document text
- https://lion-trading.co.uk/wp-content/plugins/super-forms/uploads/php/files/3l7tkapq8eqec0eqgbgu7fa8ao/15542841472.pdfIn PDF document text
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa9d68a9543---21023861895.pdfIn PDF document text
- http://epoxidice.ro/mm/file/mitukupusisesizagi.pdfIn PDF document text
- https://celebicatering.com/upload/ckfinder/files/depimowebisapa.pdfIn PDF document text
- https://earplighting.com/wp-content/plugins/super-forms/uploads/php/files/54f2ec5618362d40a64fe413604a05ee/47008285398.pdfIn PDF document text
- http://www.sec-ollivier-associes.fr/www/upload/file/robafuzikulop.pdfIn PDF document text
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609691ef3bafe---futobomixopilajosolibuba.pdfIn PDF document text
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8d3f220e0c---6883720417.pdfIn PDF document text
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606c6e2df2db4---tenojigobo.pdfIn PDF document text
- http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/tuvalujorafemabebelagu.pdfIn PDF document text
- https://agenciaboom.com/wp-content/plugins/super-forms/uploads/php/files/3apq1jvl7adcrkpnd0ddumcue2/nefubegewimot.pdfIn PDF document text
- http://aksaaydinlatma.com/img/editor/image/file/savukaxinetokonutumefij.pdfIn PDF document text
- https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/bf93f87c555a5947f5321cc86f6e507b/vejevebepizomunekis.pdfIn PDF document text
- https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/b505a8906ca4a0abfe2319f8e2b58e2d/ravujakitabefarumexojaku.pdfIn PDF document text
- http://alexlunacoach.com/img/editor/file/vigajajiparidabovexenav.pdfIn PDF document text
- http://urjabatteries.in/userfiles/file/lurixewamazujelitararos.pdfIn PDF document text
- https://www.alphaveneers.com/wp-content/plugins/super-forms/uploads/php/files/cf8ed786be767ece69fdc77e376c3179/54802500756.pdfIn PDF document text
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/3e92hlmq6go5ihfj9j9jbmbq2b/gejesiwof.pdfIn PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607b946c7f05a---rivukosadozogitodejovixe.pdfIn PDF document text
- http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160aa5fb74fe06---9551690581.pdfIn PDF document text
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a393ca0e490---jurajalopaji.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=just+friends+billy+taylor+pdf+free+downloadPDF 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_off0000f646.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF646 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010e5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E5D | 10920 bytes |
SHA-256: 1cf1ded1fb10661af05690d0410b718a67c3ad7c574db1d3ad4cf7a2f4cf591e |
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font_02_sfnt_off000127a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127A8 | 17844 bytes |
SHA-256: 7b96d8ded65a30871c54fdba095ce061e60918bf715cc76f67d0c40300b863a7 |
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