MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains embedded JavaScript, which is a common technique for executing malicious code. The file also contains numerous external links, many pointing to compromised WordPress sites, suggesting a phishing or malware distribution campaign. The ClamAV detection and ML classifier further support its malicious nature, likely serving as a lure to a malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9739
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://nomylo.ru/uplcv?utm_term=bosch+can+specification+2.0+b+pdf
- https://canadiancontractorservices.com/wp-content/plugins/super-forms/uploads/php/files/4lkc9igbr6pk5ka5hoa40misv5/vugelujelovogaroxezalig.pdf
- http://buergerforum-tirol.at/file/19959929727.pdf
- http://plusk-car.com/js/upload/files/37256293021.pdf
- http://buergerforum-tirol.at/file/7397433663.pdf
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6265ecac81---35855990718.pdf
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b68e20196d0---govelofivafutiz.pdf
- https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/6557aecfcead511801fa35a167c97ddf/posogubulilefofawajunif.pdf
- https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/36820a84597c78a8f14ae37288e28b42/vigixerewisolodu.pdf
- https://aawyx.com/sites/default/imageuser/file/10166958367.pdf
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16094a92b012f5---sidew.pdf
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/qmj51rsckhjipob3smtmj1oq4l/6081742476.pdf
- https://pacpartner.net/images_client//imagesfile/5482590.pdf
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607174c2c8185---43598709956.pdf
- http://nnrhc.com/clients/9/98/980d61ede38c9a35fe3396fb65651545/File/2786274603.pdf
- https://lonnebacka.se/anvandarbilder/126/files/80736428457.pdf
- http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/9c7b5t3ofvr7dr44k56n194kp1/fuwiwejozopunu.pdf
- http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160931cb438fcb---xawezesujoguxekifumaru.pdf
- https://aronabritcan.com/userfiles/file/40831883812.pdf
- https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608341f75767f---jimigoranezub.pdf
- https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609c0d4dc9ed8---zawutanarakuta.pdf
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/160a89faeba25c---89823093030.pdf
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/e060af1419938bba882aeccf7ab780fd/rawazurexoxi.pdf
- https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a34c6bc6ffb---54380697966.pdf
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010330.binc96d15221300335e10e4522ca43cedb6845f46c5967582fe6a72de34eec3e0bb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10330 | 16908 bytes |
font_01_sfnt_off00012f23.bin2508f325961c7d9a43247dcb1cf59e9e56813918e2982d3a83a7984200e04c4a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F23 | 11072 bytes |
font_02_sfnt_off000148c1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x148C1 | 16792 bytes |
font_03_sfnt_off000160cf.bin9f4307af0cdf6fcfc1be86837b0fa92937b475819a7f320a01023482ef568bc1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x160CF | 92176 bytes |
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