MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document containing embedded JavaScript, which is a common technique for delivering malicious content. It also contains numerous external links, many pointing to compromised WordPress sites, suggesting a link farm or phishing lure. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9928
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 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://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/2dbfc7362afb47dbdf10ce75ca7e7110/27891496757.pdf In PDF document text
- http://adria-ex.com/images/blog//file/55305026369.pdfIn PDF document text
- http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16077cc0b694c1---57763787291.pdfIn PDF document text
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085722bc2aa2---kewudoxaxudamezobak.pdfIn PDF document text
- https://editions-tlp.fr/ckfinder/userfiles/files/43210652864.pdfIn PDF document text
- https://parokisantolukas.org/Uploads/userfiles/files/30840405892.pdfIn PDF document text
- https://newchat.xyz/js/ckfinder/userfiles/files/78740998887.pdfIn PDF document text
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d9ed2543d3---zifemafuvim.pdfIn PDF document text
- http://ehomeforeclosure.org/images/file/tidulu.pdfIn PDF document text
- https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/9mjtptomeph40tkb9dmuqsf3cf/buxekerofifumonabokev.pdfIn PDF document text
- https://weyergans-hcc.lv/userfiles/file/75708942337.pdfIn PDF document text
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f0459077fcf---fitalowixizuzodufigux.pdfIn PDF document text
- http://hotelamadeustorino.com/userfiles/files/kunidipotifeduzajexona.pdfIn PDF document text
- http://sluchatka-shop.cz/files/upload/files/57337278482.pdfIn PDF document text
- http://marinapogon.pl/upload/file/17083784753.pdfIn PDF document text
- https://jgmurphy.com/wp-content/plugins/super-forms/uploads/php/files/bedde10d4877bf18b7abf5dd5244d229/newum.pdfIn PDF document text
- http://dailymaydemtien.com/userfiles/files/juduxenedipudapizorisag.pdfIn PDF document text
- http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/l8e0ie0nfvb4g3n4f58iojdsn3/ragesip.pdfIn PDF document text
- http://aj-logistics.com/stock/userfiles/file/41028379027.pdfIn PDF document text
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d1bbca199fa---25898996096.pdfIn PDF document text
- https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/3cff76d546ce6733411c06c9b1e80c72/2546163937.pdfIn PDF document text
- https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/24cf5dd8ea143433ff14cd5ae2380fb0/rosomorajevaxo.pdfIn PDF document text
- http://www.romanschatztruhe.de/img/files/golajaf.pdfIn PDF document text
- http://learningkey.org/userfiles/99464547330.pdfIn PDF document text
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/16103e84788d90---rekegobiwafagagefemudun.pdfIn PDF document text
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/lok87e8cme1fvqo0bekpkon67v/kenelolajegigulawitamogut.pdfIn PDF document text
- http://elfuklid.cz/foto/Image/file/76359373302.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=duck+life+4+unblocked+hacked+no+flashPDF 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_off0000c492.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC492 | 15080 bytes |
SHA-256: ee894d447c39956d1c7162c285782d10d91e6e5d43f71f6c5ba84e080e3f941b |
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font_01_sfnt_off0000ead1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAD1 | 10788 bytes |
SHA-256: 0ac5704d40d5245bd23d4d268e88f390b0d4f2378de5fdb22dd3e7f966d832d2 |
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font_02_sfnt_off000103a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103A1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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