MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It functions as a link farm, containing numerous URLs pointing to compromised WordPress sites. These links likely serve as a distribution point for phishing or further malware, leveraging the compromised infrastructure to host malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
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://www.apartamentselsllacs.com/wp-content/plugins/super-forms/uploads/php/files/9bithqlg43auuj30rm7kn41bdj/26971957852.pdf In PDF document text
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086907b07b15---60255959924.pdfIn PDF document text
- http://4grd.com/cmsimages/file/85238948204.pdfIn PDF document text
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160e105c641424---46412764510.pdfIn PDF document text
- http://dirabrealtors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0e27569c74---virigakoworima.pdfIn PDF document text
- https://k2salight.com/wp-content/plugins/super-forms/uploads/php/files/49c58648b80ca14d7038bd4c9f38c4c9/96445396732.pdfIn PDF document text
- https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/8b8bee02b836b5244d259b6380a35a02/11421523090.pdfIn PDF document text
- http://diysmart.net/userfiles/file/batuxirafaruv.pdfIn PDF document text
- http://eastendmediation.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/71191693820.pdfIn PDF document text
- https://him-home.ru/wp-content/plugins/super-forms/uploads/php/files/d7a472e01a65181f0cf468790068eca5/femarijipo.pdfIn PDF document text
- http://traiteur-ribot.fr/userfiles/file/63504655244.pdfIn PDF document text
- http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/1607f01a42e446---lovemunepifubijaje.pdfIn PDF document text
- https://hartwellcook.com/wp-content/plugins/super-forms/uploads/php/files/426212ba4740fdb78f655df4017759cc/62756301474.pdfIn PDF document text
- https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/2138ad145e6d7b368dbebd445853b75a/35835328029.pdfIn PDF document text
- http://harlit.com/ckfinder/userfiles/files/20210630_102650.pdfIn PDF document text
- http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dbccf702bc1---89997177644.pdfIn PDF document text
- http://pnmanagementsolutions.in/uploads/70306106353.pdfIn PDF document text
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/n0jf6g8ttl53m8bpmr9qvjdes6/tonuxulurerudakuvafa.pdfIn PDF document text
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607215a3061d8---46029754049.pdfIn PDF document text
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0377324a04---masidaduwukujuveliwibot.pdfIn PDF document text
- https://aprilboya.com/userfiles/file/rodozujemipodidamiren.pdfIn PDF document text
- https://jjcfurnituremaker.com/userfiles/files/vunakogigonomu.pdfIn PDF document text
- https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/86c23dfa24bf69e1f4363287c9cbf170/32448799919.pdfIn PDF document text
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d33af440bb---xewanubowok.pdfIn PDF document text
- https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607772aa2358a---88399342759.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=call+of+duty+mobile+replayPDF link annotation
- 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_off0001012e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1012E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011945.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11945 | 10772 bytes |
SHA-256: 4df48a38d82625391338fcfb332472ab06552c440f072b9cc97123fc190ee4f1 |
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font_02_sfnt_off000131e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131E3 | 19560 bytes |
SHA-256: 32cea768e07a0dbc88bc8506928adce35f4830a3f3ccdb427c76976e7f9e6fcd |
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