MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The ML classifier and PDF heuristics strongly indicate maliciousness. The document functions as a link farm, with numerous URLs pointing to compromised WordPress sites and disposable domains. These links likely serve as lures for phishing attacks or to distribute further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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 http://ambvetesopo.eu/userfiles/files/suvulef.pdf
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607f09b38b65e---fugopidemetewujuku.pdf
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/ff5bc7eb453b277610d7013d8cd31e85/tetiripewu.pdf
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5dda58c0c---93251781192.pdf
- http://whs1979.net/clients/65916/File/roveranalobobezeva.pdf
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080d6b957894---33139619961.pdf
- http://jarosi.hu/files/file/839838339.pdf
- http://jsushibrea.com/uploads/files/73112352026.pdf
- https://atlastoursntravels.com/userfiles/file/65668280932.pdf
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a14cd02a758---dogegizebaturava.pdf
- http://www.aunay-sous-auneau.fr/ckfinder/userfiles/files/nijegiredumorupizosij.pdf
- http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d5a66fc84e9---jukafudatexolomixaruw.pdf
- http://ed-web.cz/userfilesfile/17622448818.pdf
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8bdcde8326---40334701092.pdf
- https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/51fcee68fb18bf9dcdcfe2a204334b87/27634614112.pdf
- https://sabagdasarov.ru/upload/file/46318576479.pdf
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607249b822d32---60529689909.pdf
- https://media-get.ru/userfiles/files/gupipabiwevesoxa.pdf
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071f1cee8dda---76057048180.pdf
- https://kuepancong.com/contents//files/lamaberemof.pdf
- https://myphambambi.com/webroot/img/files/fojulusodipiz.pdf
- https://lescourailleurs.com/upload/editor/file/puzuvex.pdf
- https://laser-arena.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16079cef56615e---jinizuzijovomomafoje.pdf
- http://tizianaiberti.it/userfiles/files/wiwinatalakodita.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=5.56+armor+piercing+rounds
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fba9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBA9 | 16792 bytes |
font_01_sfnt_off000113bb.bind2a4cf7439b818c3ef8c370ee4ffaf6055f756571c852d6d36d1ad58404792bb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113BB | 17240 bytes |
font_02_sfnt_off000140ba.binf74eb8f81cabf2f9fdf6ad3f769c3f20b5b947bfa2c6e0d022a4ceedd01a38cb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x140BA | 11084 bytes |
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