MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains numerous links, many pointing to compromised WordPress upload directories, suggesting a link farm designed to distribute malicious content or redirect users to phishing sites. The presence of embedded URLs and the nature of the heuristics strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
Heuristics 6
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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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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=feathered+sea+star PDF link annotation
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160819752c3559---62106606413.pdfIn PDF document text
- https://srmhospitalities.com/images/bulk_images/files/kedavufebetu.pdfIn PDF document text
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff1b3e1236---mujujani.pdfIn PDF document text
- https://chefinhogourmet.com/wp-content/plugins/super-forms/uploads/php/files/e9f4a29efcc3c8130b80fe70f322993c/57007807196.pdfIn PDF document text
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075dd7e091d9---10643172949.pdfIn PDF document text
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160cf8876e3baf---mawuvoxiketefofuta.pdfIn PDF document text
- http://impressivetravelvietnam.com/upload/files/4832494416.pdfIn PDF document text
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160adbb87b1fef---vepareziludelo.pdfIn PDF document text
- http://aivieksteslaivas.lv/userfiles/file/83967258543.pdfIn PDF document text
- https://nevisnews.com/userfiles/bifowobojovuxudavarazoxam.pdfIn PDF document text
- https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e43270c539---32195563276.pdfIn PDF document text
- http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c8b4aa56dc4---53911925130.pdfIn PDF document text
- http://allg-gyn.ch/userfiles/file/27509924781.pdfIn PDF document text
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e68030012f---zodajulezifujused.pdfIn PDF document text
- https://jotekonybakterium.hu/userfiles/files/lunukiwuzapevexojajidexa.pdfIn PDF document text
- https://centrobrands.com/wp-content/plugins/super-forms/uploads/php/files/f9fd845e3bbec0f85a339dfce41c0a2a/kulerapoxef.pdfIn PDF document text
- https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/9eb9d3f950256ec44e2e9df315e51065/kovesil.pdfIn PDF document text
- http://dentherapia.hu/files/file/42265607556.pdfIn PDF document text
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096364b7ee4a---63891374263.pdfIn PDF document text
- https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/6b374a2b3187b105c6c72615626e05b0/xamamatasazew.pdfIn PDF document text
- https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/84b55393f76cde00bc475d6b8137d0d2/zubujem.pdfIn PDF document text
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/160c5737d49e94---vafax.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_off0000f8e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8E0 | 9960 bytes |
SHA-256: c6c36b51752525125240816e7f1a42f2170bb5f75054858415ef67e1de9f6a77 |
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font_01_sfnt_off00010f0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F0D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001271f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1271F | 17068 bytes |
SHA-256: b6485d8fd3401f56e1776e9f9c2172410303802c90ef111596b13b4ec7101ea4 |
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