MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of external links, many pointing to compromised WordPress sites and disposable hosting, indicating a link farm. The ML classifier strongly suggests maliciousness. While no scripts were extracted, the structure and URL patterns are consistent with SEO spam or a lure for malicious content delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 5
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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.icslights.com/wp-content/plugins/super-forms/uploads/php/files/15cb4ac26638a24b47259e390f905adb/19547481736.pdf In PDF document text
- https://istanbulbalbir.com/upload/ckfinder/files/zalebekabuxizeg.pdfIn PDF document text
- https://rinducm1.com/contents//files/75704760447.pdfIn PDF document text
- http://color-gateway.com/userfiles/file/35769528704.pdfIn PDF document text
- https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a28aa069114---64814806360.pdfIn PDF document text
- http://whipitleather.com/userfiles/file/14840336578.pdfIn PDF document text
- http://systemsbiology.at/uploads/assets/file/zelalemamimobokexinar.pdfIn PDF document text
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/1610e56b1afc43---57002728864.pdfIn PDF document text
- http://fobosgrunt.ru/files/ckfinder/files/1670224772.pdfIn PDF document text
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/eba68b52003dcd4badadc2256d503a1c/zigivobesofiwuz.pdfIn PDF document text
- https://bhalakusari.com/uploaded/ckeditors/files/geboga.pdfIn PDF document text
- https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d1c6101605c---55433649938.pdfIn PDF document text
- http://sjar-tech.com/uploadfile/file///2021051700153774.pdfIn PDF document text
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e50e0bbb3fa---34172164250.pdfIn PDF document text
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfbc3406077---tukebafowaju.pdfIn PDF document text
- http://24cvety.ru/upload/files/pelikuxizojis.pdfIn PDF document text
- https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/k0hu1fhk6e0j8cmrgmro53thks/kokaribage.pdfIn PDF document text
- https://triangle-electronics.com/assets/userfiles/file/49153519970.pdfIn PDF document text
- http://vicorsupply.com/uploads/images//files/wipijawojojutak.pdfIn PDF document text
- http://cocoon-source-harmonie.fr/public/file/motodozavafakowulelolaxa.pdfIn PDF document text
- http://janjoling.com/public/ckfinder/userfiles/files/43920973901.pdfIn PDF document text
- https://sushixusa.com/userfiles/files/bejuwarid.pdfIn PDF document text
- http://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089a3777eb65---29865866999.pdfIn PDF document text
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/d102da201bd0ecc8820cb747ec8cec9d/xoxogel.pdfIn PDF document text
- http://studiogallerani.it/userfiles/files/20690716306.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=mpsc+blank+answer+sheet+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_off0000c6c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6C0 | 10816 bytes |
SHA-256: 5c197902f3e6e11794f5d0a8e73eeb2d5df03a2a4fa8b7db60afba4a90bf5f02 |
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font_01_sfnt_off0000df8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF8E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f7a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7A0 | 18352 bytes |
SHA-256: 4cf123830b5f77bc2b16feb98e4da9e69dd334e5b3d824364fa343343b6a67ae |
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