MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript and numerous URLs, many pointing to compromised CMS uploads, indicating a malicious intent to redirect users. The ML classifier and ClamAV detection strongly support its malicious nature. The embedded JavaScript likely facilitates the redirection or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://pistant.ru/uplcv?utm_term=the+dish+ran+away+with+the+spoon+meaning PDF link annotation
- http://www.haztartasigepszakuzlet.hu/pics/file/xixen.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/f0e7416b4e8743de8f53308636bb3a6e/13433938826.pdfIn PDF document text
- https://clubberia.com/js/ckfinder/userfiles/files/wedesinoxafewokegasuwoxan.pdfIn PDF document text
- https://arizonalightingsales.com/wp-content/plugins/super-forms/uploads/php/files/bd9f0a266a37d1f2fb3b18d5f5cc5fc7/16358723921.pdfIn PDF document text
- http://susasoft.com/upload/userfiles/files/jikevovujefaboxo.pdfIn PDF document text
- https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/o50io04b5tl75bhuls5heim8o4/gesudozekejizikufifu.pdfIn PDF document text
- https://europeancustomtailor.com/wp-content/plugins/super-forms/uploads/php/files/3f49e0027446a91b778e27be1354a079/49780128747.pdfIn PDF document text
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160f8f88ca6f04---noxewamabimovowa.pdfIn PDF document text
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae1e3461fb9---vudapumetuxaworutaw.pdfIn PDF document text
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609a1a66c2774---89651033685.pdfIn PDF document text
- https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/86376cc2f1fedf885470e64e13a29ea3/mejakosizokufamipeloxus.pdfIn PDF document text
- http://luchetti.it/userfiles/files/dosetejoxumulifefofig.pdfIn PDF document text
- https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cea8af616cb---rajakanazazetedewo.pdfIn PDF document text
- https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/e0882bb9a35ed01f3afa6e5e5f401f73/42415298817.pdfIn PDF document text
- http://amandatravel.com/userfiles/file/borulosatosijixufigup.pdfIn PDF document text
- https://dycmc.com/DATA/upload/files/202106151600492146.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a70b436e826---mefawurekaxagejazemop.pdfIn PDF document text
- http://coinmarketsuite.com/ckfinder/userfiles/files/83848234732.pdfIn PDF document text
- http://atthaya.com/file_media/file_image/file/3600548736.pdfIn PDF document text
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608832c6eaed7---bevawirevun.pdfIn PDF document text
- http://domeinbeverdonk.be/assets/files/file/44096721747.pdfIn PDF document text
- http://studiozammuner.eu/userfiles/files/74772105966.pdfIn PDF document text
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d54802ff51---94735614684.pdfIn PDF document text
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/160728a2d3064d---94247504207.pdfIn PDF document text
- http://esejsc.com/upload/files/67540867412.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_off0000f1b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1B6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000109cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109CD | 10956 bytes |
SHA-256: 0073a537b2d57c61d2dda506561a4dcdaf2c9b23aad44136aaf47ad5825ff663 |
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font_02_sfnt_off000122e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122E7 | 17856 bytes |
SHA-256: 40772cf2295b9a21318ab3406109e0d8f8ec750b0de8894de08a6b3f4b5d76e9 |
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