MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded URLs, many of which point to compromised WordPress sites or disposable hosting. These URLs are likely part of a link farm intended for SEO manipulation or to distribute further malicious content. The ML classifier strongly indicated maliciousness, supporting the assessment of a malicious link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://philabc.ru/uplcv?utm_term=super+mario+world+smc PDF link annotation
- https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/29422753560554603a68d3d0ca05e1ad/62668779767.pdfIn PDF document text
- http://libron.pl/fckupload/assets/file/82765752777.pdfIn PDF document text
- http://anael.fr/fckeditor/userfiles/file/84475468833.pdfIn PDF document text
- http://specimport.by/files/files/romaxovixiwopagovamiguvi.pdfIn PDF document text
- https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132ec11cbc73---nodivamexutesisas.pdfIn PDF document text
- http://paulgraphics.paulsfashion.in/files/85414339052.pdfIn PDF document text
- http://yaan121.com/uploads/files/202109022243424213.pdfIn PDF document text
- https://xuantruongtech.com/images/ckeditor/files/85883549815.pdfIn PDF document text
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/1613379d720446---zesuvimefoxaxudubavo.pdfIn PDF document text
- http://bibrka-school.org.ua/ckfinder/userfiles/files/kimedisoj.pdfIn PDF document text
- https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/09dddba457baf2a90c90e7c496977105/61592497665.pdfIn PDF document text
- http://uitvaartverzorgingsindex.nl/images/uploads/15496910520.pdfIn PDF document text
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/909fcab72ccb5867c126e8140f7c4b3a/wologebowanowunifa.pdfIn PDF document text
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16133d59e5da54---91908041379.pdfIn PDF document text
- http://lechioutdoor.com/userfiles/file/jobal.pdfIn PDF document text
- https://mariellatriolo.it/public/file/63801302393.pdfIn PDF document text
- https://xtremefitksa.com/ckfinder/userfiles/files/raxibav.pdfIn PDF document text
- http://gocreate.termall.pl/upload/fck/file/5901874772.pdfIn PDF document text
- http://yuemeism.com/uploadfiles/files/84161819001.pdfIn PDF document text
- https://mamap.in/ci/userfiles/files/lipitejogekakivujutemi.pdfIn PDF document text
- http://jr-bang.com/uploadfiles/20210904205931.pdfIn PDF document text
- https://goldfieldssanddrags.com.au/ckfinder/userfiles/files/51158496093.pdfIn PDF document text
- https://drlanda.hu/user/file/zowefixu.pdfIn PDF document text
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ed3ef3a0e8---waserakosonef.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_off0000d5ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5AD | 18148 bytes |
SHA-256: 3aff39697fb8c96f20451f8ec79ac073eead166c7893a6581d5e2e359c54ef78 |
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font_01_sfnt_off00010560.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10560 | 10736 bytes |
SHA-256: 5186c0f8a4d7cabaf87699ebd9553ec7010fbfd145656822f83b6f30e29a6df6 |
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font_02_sfnt_off00011e11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E11 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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