MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs pointing to compromised websites and disposable domains, indicating a link farm designed to redirect users to potentially malicious content. The ClamAV detection and ML classifier strongly suggest a phishing or trojan payload delivery mechanism. No scripts were extracted, but the structure and URL patterns are consistent with phishing lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://nomylo.ru/uplcv?utm_term=moon+so+round+and+yellow+poem+questions+and+answers PDF link annotation
- http://lncxjzxxw.com/upload_fck/file/2021-7-26/20210726214540415320.pdfIn PDF document text
- https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/dcb27142cd6a62bdcad5f2e7ad3d6a12/vupajidunimewiveneme.pdfIn PDF document text
- http://www.motorradfreunde-toggenburg.ch/up/files/gisotadujegazefenaju.pdfIn PDF document text
- http://bulmarconsult.com/files/zokevoso.pdfIn PDF document text
- http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/d541b98e434e3ded2c99ee04974e172a/31074440469.pdfIn PDF document text
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/16109074b0d25b---sipobedesubiduzelaroxadu.pdfIn PDF document text
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c48fad678f0---kefone.pdfIn PDF document text
- http://globalnetworks.de/www.galabau-poscher.de/main/preview/ckfinder/userfiles/files/josoze.pdfIn PDF document text
- http://argyleliquidations.com/userfiles/files/webenemokugujana.pdfIn PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a721d697dc4---11722359946.pdfIn PDF document text
- http://gorisum.net/fckeditor/upload_file/file/petafizikinewivivap.pdfIn PDF document text
- http://dzstock.com/Upfiles/file/nesokafadetudoxudoxi.pdfIn PDF document text
- http://alarcon-v.com/editor_upload_image/file/4717932526.pdfIn PDF document text
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160771165293d5---wosiwozofa.pdfIn PDF document text
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e78ba583a1---govuwibisunomidomes.pdfIn PDF document text
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1607594d6dc203---99300687014.pdfIn PDF document text
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c94d3d6e512---tepatufaverivixinosezali.pdfIn PDF document text
- https://www.artikel238.nl/emmwebbit/resources/ckfinder/userfiles/files/75587539024.pdfIn PDF document text
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160882842979c9---tawix.pdfIn PDF document text
- http://abwpetersburg.com/uploads/files/momomafufipago.pdfIn PDF document text
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160cd9d43b6508---30420018045.pdfIn PDF document text
- http://dagmar-e.de/userfiles/file/tiferutadupelipu.pdfIn PDF document text
- http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071a2a0dd370---47886626182.pdfIn PDF document text
- https://razdolle.by/wp-content/plugins/super-forms/uploads/php/files/ghpbejv97353jq09vkbn3pkbb6/87509567824.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_off0000c07d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC07D | 10992 bytes |
SHA-256: e318d0d9f8a413a07f2cf18d95960da72f47ac2550cb01769d2ec7a4a1b3984e |
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font_01_sfnt_off0000d9e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9E0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f1f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1F2 | 16092 bytes |
SHA-256: 8ee6729304a213291b3c66851825615824eab1ec012f71bd389c5cbd4f0cbc81 |
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