MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document functions as a link farm, with numerous URLs pointing to potentially compromised websites or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of embedded URLs and the heuristic indicating a fake invoice lure further support this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 7
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/kjt4f7qn19s39qb634jerltg93/mugegi.pdf
- http://jiendurancecoaching.com/ckfinder/userfiles/files/guxovusikabuzawifazilemi.pdf
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/a790e49bbadc79f4b24b25ebbe0ba58d/nofonutemidoxa.pdf
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/023cdbc3beeccbdb8b71fd51939a7b59/83974697749.pdf
- http://baovevietnam-vnss.com/upload/file/lazubekito.pdf
- http://bluecars.pl/userfiles/file/83537726698.pdf
- https://www.lightingsolutionsal.com/wp-content/plugins/super-forms/uploads/php/files/532a87287230afb1608d9247e0239c9f/xidifobon.pdf
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608156fde4659---92387599640.pdf
- https://elpmarketing.ca/wp-content/plugins/super-forms/uploads/php/files/c58b1f66fc6abb24ec1c1a8e94c7ba46/vatosajubaxawugebe.pdf
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609a3431e2231---lusow.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d58b7ec1b3---35964585619.pdf
- http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a53e616d15---sogozajurodimus.pdf
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/4580d98c65b089dc86dba0c932f6722c/46956614225.pdf
- https://monuments-msk.ru/wp-content/plugins/super-forms/uploads/php/files/185a7518b63c48e0d70c0163a00b167b/49207236295.pdf
- http://starsunited.at/upload/files/80889948963.pdf
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070ca6e6f2a5---bavotijogefulenev.pdf
- https://ascinfratech.com/clientprojects/trading/file/5771913970.pdf
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160bc629a69057---semamivirogejoxoxug.pdf
- http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/5e956ec74e7728641a2d476bd18aa2be/42447334765.pdf
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/47ddcde2748d07e22790b227a6e1a657/gevekigodexekomujozunag.pdf
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16078858bdb7df---noxiv.pdf
- https://lingchuanfloor.com/app/webroot/userfiles/files/11125978858.pdf
- https://www.wflorlando.com/wp-content/plugins/super-forms/uploads/php/files/f012d4b8681692d8bb592a56ba03398d/bagiwiv.pdf
- https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/2lurk0ladl1g6siauchv127j15/venobudebi.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=horticulture+college+pasighat
- 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_off0000d0f3.binfabf1e127f959913aeab89c5806754ba57c9cc58a160e570131f4a9bd1df3981 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0F3 | 16744 bytes |
font_01_sfnt_off0000fcb8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCB8 | 16792 bytes |
font_02_sfnt_off000114cf.binece45da5987ad318fa3875a82e0323e915fba9d57eaff308b4fe59f99c171b83 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114CF | 10640 bytes |
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