MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised websites or disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded JavaScript likely facilitates the redirection to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://smidgel.ru/uplcv?utm_term=criteria+cognitive+aptitude+test+pdf PDF link annotation
- http://rc-modeller.se/images/file///bagop.pdfIn PDF document text
- http://kuzfarm.ru/images/file/19832271724.pdfIn PDF document text
- https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/u1iu26j7jc072vo5m079thofb8/21222343347.pdfIn PDF document text
- https://burragebrothers.com/demo/jolie/beta/userfiles/files/91633579124.pdfIn PDF document text
- https://ahreco.com/uploads/news_file/pixugodoxebozin.pdfIn PDF document text
- http://murphysbeads.com/clients/54316/File/21042833841.pdfIn PDF document text
- https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/4a6cbcb65bb787d1a34a40b0a21ee610/wilopifopu.pdfIn PDF document text
- https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/3abe52cbf73f64bc277dba3db53dd990/ridezuxikuzexerekig.pdfIn PDF document text
- https://stpeterscbs.ca/ckfinder/userfiles/files/juruzez.pdfIn PDF document text
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fadcc5b2d8---74138438020.pdfIn PDF document text
- http://www.zywawiara.pl/pliki/revurogaba.pdfIn PDF document text
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/oil7juqtg3592jqc1npg51t40o/12116141873.pdfIn PDF document text
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/160da2ba8c062a---venepotugewadaxovusoresut.pdfIn PDF document text
- https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0a28db250e---21776755679.pdfIn PDF document text
- http://fsanaq.com/upload/file/21072304130269381273m6lwkk887k.pdfIn PDF document text
- https://securitydm.rs/slicice/file/37029632334.pdfIn PDF document text
- https://radmangroup-ye.com/rgfiles/file/43260644701.pdfIn PDF document text
- https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/89db318d237ac02938c85960f2fc40dc/zabisaxaba.pdfIn PDF document text
- https://konferencii.ru/js/ckfinder/userfiles/files/7665408542.pdfIn PDF document text
- http://chnli.tw/CKEdit/upload/files/28192744532.pdfIn PDF document text
- http://1000projects.ru/upload_picture/file/49242251403.pdfIn PDF document text
- http://eurogeographyjournal.eu/admin/fckfiles/file/dokesiguwelefewisomo.pdfIn PDF document text
- http://anhbanglaw.com/userfiles/file/75093081710.pdfIn PDF document text
- http://natalieshuff.com/uploads/file/wifakoredetilupatona.pdfIn PDF document text
- http://rc-mst.com/mst/_upload/files/80279303969.pdfIn PDF document text
- 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_off0000ecad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECAD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000104c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104C4 | 10948 bytes |
SHA-256: 62c85eb25d6c65ba795c426e4044d23a98c5ee0c68b6b7467fc5ecd919f92762 |
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font_02_sfnt_off00011e23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E23 | 17840 bytes |
SHA-256: 1b68683311d791dd54fa58fda6aeda9241f1155aa97d86e0e2e97b5c53c9bbf0 |
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