MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress sites. These sites likely host phishing content or further malware, making the PDF a delivery mechanism for malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://alllegaltask.com/wp-content/plugins/super-forms/uploads/php/files/2qkj7r6siv4h1oc6nuoa35qgmh/muterurariribon.pdf In PDF document text
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16085ec32e38a4---fezarapus.pdfIn PDF document text
- http://teleinwestor.com/userfiles/file/92348193139.pdfIn PDF document text
- https://faguaflowers.com/images/admin/file/lufezaposadawixutux.pdfIn PDF document text
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/2c22e57b56e93c234223d7ad0480e2d6/liwavifuz.pdfIn PDF document text
- https://btsmstlucia.com/atomicsteps/upload/userfiles/file/49154031280.pdfIn PDF document text
- http://premiumcsp.com/uploads/files/46406881320.pdfIn PDF document text
- https://fedico.ca/upload/editor/file/jarewe.pdfIn PDF document text
- http://altadirezione-consulting.it/userfiles/files/devadozozaveberedewodewaf.pdfIn PDF document text
- http://bradhelferlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zubidifovofomo.pdfIn PDF document text
- https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/73136838127.pdfIn PDF document text
- https://jcpcdesign.com/upload/ckfinder_temp/files/20210706082845.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/161315b96baf48---78733079946.pdfIn PDF document text
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160d49fc90f66e---nekewun.pdfIn PDF document text
- https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/e8c55133976363af2bb408dbe69d03ca/5869397156.pdfIn PDF document text
- https://babamore.com/upload/ckfinder_temp/files/20210604022827.pdfIn PDF document text
- http://jngf.cn/files/file/34910896098.pdfIn PDF document text
- http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/160802131b0af9---12827411861.pdfIn PDF document text
- http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/e0v5orisrpibrmd8no9jk8kjv5/25021325625.pdfIn PDF document text
- https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/09045f621c698d3205030331a4598fac/6600289963.pdfIn PDF document text
- https://dcimx.com/files/pobovanivonifikus.pdfIn PDF document text
- http://thenikharvconsultancy.com/userfiles/file/2450792973.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d06e6cc7f7---zasifixusafo.pdfIn PDF document text
- https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/b2809eca5ab7a8c3271dcd00d7091c5e/46850757652.pdfIn PDF document text
- http://matkinhantai.com/luutru/files/29111152649.pdfIn PDF document text
- https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/fc5574a90356d74e3ef11271ab1894ef/96200054057.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=summary+of+findings+in+research+pdfPDF 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_off0000d8f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8F8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f10a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF10A | 16064 bytes |
SHA-256: b19c9c4a03c81c2affc20299897780c575c1ac76454fd90c354e95fb6eee69ee |
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font_02_sfnt_off00011a57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A57 | 11212 bytes |
SHA-256: 75fef26c43e94d9d6890fa953c3c8ba177f190cb4334efb1669bbfb1c3da9807 |
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