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 are hosted on compromised WordPress sites or disposable hosting, indicating a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://allytemp.ru/uplcv?utm_term=another+word+for+curfew
- https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/07a737cd9ab7bf701d88e90981c50359/sukobugitofuxuxukedu.pdf
- http://mulherinscampground.com/clients/879992/File/jegaguje.pdf
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160883bb79c21f---jejonovuregijobe.pdf
- http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160a97b351dbdd---vujibunadozifaxe.pdf
- http://soles2walk.cz/data/file/vazuseliduluvabos.pdf
- http://hillsclinic.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/xefemeluximewovekuwi.pdf
- http://eastendmediation.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/70418536922.pdf
- https://singaporenotarypublic.com/wp-content/plugins/super-forms/uploads/php/files/3df64e8a1bfe10e741d8e4cfd6460c85/gikenizorupidewamezosorub.pdf
- https://hartwellcook.com/wp-content/plugins/super-forms/uploads/php/files/a5e077be4a0e7ec9f86eebc13be8d9b8/63334890464.pdf
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/928ce9a68aa1dd7daacb2e62068bcfd5/77339984087.pdf
- https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081a008084e4---tojotigilufa.pdf
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/eiljcunnagvrbmt57u7pjooal7/zazotisupatagifok.pdf
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608008ce9194b---rokejugenub.pdf
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/gc234pulmcbnsa62iekfaco0af/bukuwoletinijigojatewere.pdf
- https://hbphoto.ca/resimler/files/15706476134.pdf
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/160741ee0d2299---4246421715.pdf
- https://twr1115.net/files/fckeditor/file/bajaviribito.pdf
- http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085277072949---6015219337.pdf
- http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607425418b133---zefexujepugejobizu.pdf
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/160e65e819f9af---31478786949.pdf
- http://brianhaymore.com/images/e/file/56033042989.pdf
- http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/160844c0e69a2d---tamuzumubakigazotozu.pdf
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/62c4fbba72f82f962ee8a20baeec5702/86133653292.pdf
- http://starlightcelebre.org/clients/4/43/43e9139217482d7666ce300faf566241/File/walulopedobiwub.pdf
- https://soyana.de/js/ckfinder/userfiles/files/52614693641.pdf
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607620000791b---69995182016.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fc81.bin1aa5d5810a72e3f8ba1cf36e24114dea38cabc04e2f4d82681993c9380b11718 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC81 | 17264 bytes |
font_01_sfnt_off000129e0.bin260d22e2eab0c3897052f055a49d04f0675a332f8136362870dac1d53c9772a9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129E0 | 10272 bytes |
font_02_sfnt_off00014105.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14105 | 16792 bytes |
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