MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded URLs, many of which point to compromised WordPress upload directories or disposable hosting. The ML classifier strongly identified this PDF as malicious, and the presence of a link farm with a 'utm_term' parameter suggests a lure to potentially malicious content. No scripts were extracted, but the primary attack pattern involves directing users to external, potentially compromised, resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 6
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://coretry.ru/uplcv?utm_term=pubg+mobile+lite+latest+version+download PDF link annotation
- http://rallyteamwalraven.nl/file/74868619959.pdfIn PDF document text
- http://ansing.nl/userfiles/file/77335676087.pdfIn PDF document text
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e6ab9c37fd---zadodinutemopovik.pdfIn PDF document text
- https://sacc-la-chaux-de-fonds.ch/fichiers/file/sofejiniliwotiwobakeri.pdfIn PDF document text
- https://atpl.aero/ckfinder/userfiles/files/78807897384.pdfIn PDF document text
- http://chukguwang.com/files/fckeditor/file/jebepanonepan.pdfIn PDF document text
- http://studioingegneriavaragnolo.com/userfiles/files/pipezelokojalun.pdfIn PDF document text
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fa6892408d---kiranirejolotizopu.pdfIn PDF document text
- http://werkkledingverkoop.nl/images/docman/files/32813789486.pdfIn PDF document text
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/16137e58a919ba---3086873186.pdfIn PDF document text
- http://www.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1613e2ff184703---sezali.pdfIn PDF document text
- http://gro-felix.si/uploads/kawijerezodenigudiviw.pdfIn PDF document text
- https://hlj-vibration.com/uploads/image/20210904/files/20210904043551.pdfIn PDF document text
- https://detectiveoffice.net/userfiles/file/betubeguvutofupuvudini.pdfIn PDF document text
- https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16135bbc965231---51523971148.pdfIn PDF document text
- https://girilawfirm.com/content_files/files/tafowunibalit.pdfIn PDF document text
- http://kurskodkb.ru/page_edit/_samples/userfiles/files/83464129534.pdfIn PDF document text
- http://i-akparat.kz/ckfinder/userfiles/files/wagaluj.pdfIn PDF document text
- https://myphi.biz/nbloom/fckuploads/file/jifojakofamupuzof.pdfIn PDF document text
- http://ipsaix.com/ckeditor/ckfinder/userfiles/files/3915158799.pdfIn PDF document text
- https://digicpictures.com/downloads/fitawunawiresizatonevote.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_off0000e28a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE28A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000faa1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAA1 | 10984 bytes |
SHA-256: 8905b73d6e3d4544b3f3486d31dd99465b6e7cd0b1ac46a86ae226ba87a80d1c |
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font_02_sfnt_off000113f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113F1 | 21420 bytes |
SHA-256: fe0b91326f2aa6117a8b1e10516325b5435ac5b2c571f39f3fa2ff821f74b086 |
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