MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by a machine learning classifier and ClamAV as malicious. It contains numerous links, many pointing to compromised WordPress upload directories, suggesting a link farm designed to redirect users to malicious content. The presence of these links indicates an attempt to leverage external sites for hosting or distributing malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 http://huile-de-nigelle.info/userfiles/file/mofepidam.pdf In PDF document text
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/00905d39ecf1aa70eb408742f18b4288/tavanamumalomowesu.pdfIn PDF document text
- https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/ad166486989ce609c9b43b498fe0fa60/14690926794.pdfIn PDF document text
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607788b9f3932---74615149217.pdfIn PDF document text
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ee99adc480---sugirakuxosikek.pdfIn PDF document text
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b29b4ae6ea8---79911898002.pdfIn PDF document text
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/84e197f9be84a9d03f0e31d8f07a2928/sivonuwitazewirunoloku.pdfIn PDF document text
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/4ahijaifaq13tb9ek5hmn3psv3/pisolela.pdfIn PDF document text
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f533cb8f98---99962230965.pdfIn PDF document text
- https://cosalesrep.com/wp-content/plugins/super-forms/uploads/php/files/73d58e3f87b23e098e8e7dc395561cf4/rudepoluguvajufivi.pdfIn PDF document text
- http://bluebirdcanada.com/FileData/ckfinder/files/20210609_348B7C8AF09E2372.pdfIn PDF document text
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/5da3ec1f8ae6a2c95c54b386dbd01ebc/wirazedosobezixiwenov.pdfIn PDF document text
- http://hillcountryawningsandsunscreens.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607721a2d214b---90736732982.pdfIn PDF document text
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/160a2290892f02---5523821987.pdfIn PDF document text
- https://nhachoxebus.com/upload/fck/file/78139924434.pdfIn PDF document text
- http://caratow.eu/userfiles/file/navojudomuzumapikamipake.pdfIn PDF document text
- https://toromecanicorodeo.com/files/gidefeserukiredafopu.pdfIn PDF document text
- http://reutlinger.pl/userfiles/file/dituboxinajozimofuwerafu.pdfIn PDF document text
- http://anhuishangbiao.com/upload_fck/file/2021-5-24/20210524010306304519.pdfIn PDF document text
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/2462f49d51efdd4e6bc9993437a79419/39636944422.pdfIn PDF document text
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/b8ffc31cdddf6a1b1b1868db3010d70a/jalinagadopobevula.pdfIn PDF document text
- https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/0ae9b0ec5f3cdb8c1450249d3781480e/nerewukutemiwov.pdfIn PDF document text
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/aat81ifr592nlpoo00c5m6b796/49930728793.pdfIn PDF document text
- https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/ecbebac21d546c5257d2aaa81328c7a4/jizojigomibodufumegopimaj.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=is+monkfish+good+to+eatPDF 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_off0000ed66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED66 | 17812 bytes |
SHA-256: 0857808ab185063162b631e9418be5244820a333b0c2fe26d8fe76c8c0eba863 |
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font_01_sfnt_off00011b9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B9C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000133b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133B3 | 10700 bytes |
SHA-256: eed524417e0ff9221be19290f0121934ea3854ea1a75230efb86b02266751e81 |
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