MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9969
Heuristics 6
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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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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://chcial.ru/uplcv?utm_term=earth+science+regents+2013+june+answers PDF link annotation
- https://e-motorcycle.tw/upload/emotorcycle/files/kexekekave.pdfIn PDF document text
- https://maurinet.com/userfiles/file/dafatujanezemagexovojadap.pdfIn PDF document text
- https://mimzyonline.com/userfiles/file/nezesemedaxilenewuwadedum.pdfIn PDF document text
- http://k9careclinic.in/ckeditor/ckfinder/userfiles/files/24060326044.pdfIn PDF document text
- http://aygroupmuh.com/image/files/79167736521.pdfIn PDF document text
- https://unchiulmihai.ro/files/fckeditor/file/virif.pdfIn PDF document text
- https://marcel.myagenda.cz/pictures/editor/files/wesapamiwolo.pdfIn PDF document text
- https://bitree.com/ckfinder/userfiles/files/9750244086.pdfIn PDF document text
- http://dennehylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tafomojurovefapepujeze.pdfIn PDF document text
- http://isystemlab.com/admin/ckfinder/userfiles/files/66478928416.pdfIn PDF document text
- http://come2menorca.com/images/file/dejorabaxevufedawuv.pdfIn PDF document text
- http://sriagasthiyarastro.com/FCKeditor/userfiles/file/wipoz.pdfIn PDF document text
- https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/mt9t9q3auto731kj8pel9bf518/pikeretixib.pdfIn PDF document text
- https://nhatngudongkinh.com/upload/ckupload/files/23423627482.pdfIn PDF document text
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/ciclfi39o22f0afvu1ou2di5n7/xewumujemeto.pdfIn PDF document text
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/cmjqg6v9mpjcv9g9j1uu050ve5/33491563721.pdfIn PDF document text
- http://mapect.com/upload/fckeditor/file/nimazizozusabagilaremukot.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/1t1qv6rpe9slcfv465tgrm1rfg/finodemubefixasebutunaxe.pdfIn PDF document text
- http://jtg-antracyt.pl/files/file/nojezarixasev.pdfIn PDF document text
- http://americandeliorder.com/uploads/files/54146018203.pdfIn PDF document text
- https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/569b6fa9659f5b36be1aaecbdb247263/94971955244.pdfIn PDF document text
- http://szilasfood.hu/pic_upload/files/95671811773.pdfIn PDF document text
- https://klaipeda.cvzona.lt/resources/img/files/makexodiwotabed.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_off00010ee7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EE7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000126f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126F9 | 20312 bytes |
SHA-256: 524cd06133ae36403e178a0cf53d36e7d70a09a577163b00afd0dbc025eb2be7 |
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font_02_sfnt_off00015b3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15B3C | 11108 bytes |
SHA-256: 86552c32738cd94a1256d1676e7180e8a4d054f4775b30a7ac24d3840212ff17 |
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