MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many pointing to compromised WordPress sites or disposable hosting, suggesting it functions as a link farm. These links are likely used to redirect users to phishing pages or download further malicious content, aligning with spearphishing attachment tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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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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://nomylo.ru/uplcv?utm_term=games+like+prison+architect+for+android PDF link annotation
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140a0aab61ab---40141213056.pdfIn PDF document text
- http://paroissedementon.fr/upload/files/87046391806.pdfIn PDF document text
- https://edarky.net/data/file/dezatifolafabejeramakuna.pdfIn PDF document text
- http://bakoca.hu/files/file/94994331179.pdfIn PDF document text
- http://www.og2c.com/images/file/nimovujof.pdfIn PDF document text
- http://smenergy.kr/uploaded/file/16354753226132fd60d18f6.pdfIn PDF document text
- https://rainbowprinter.com/app/webroot/files/file/segudatuxa.pdfIn PDF document text
- https://m-isc.com/userfiles/file/galetibeva.pdfIn PDF document text
- https://ratodua.com/contents/files/tugaxixag.pdfIn PDF document text
- http://goldenpeak.it/userfiles/files/ronumezexeronosexokiwosup.pdfIn PDF document text
- https://latework.cz/soubory/rigobizolisofirazotogobe.pdfIn PDF document text
- http://nitexprofi.cz/userfiles/file/84161251566.pdfIn PDF document text
- http://dakdekkersindex.nl/images/uploads/dipetalodivoxedu.pdfIn PDF document text
- http://numere-mopede.ro/mm/file/95057542102.pdfIn PDF document text
- http://reszke.pl/fckeditor/editor/filemanager/connectors/php/file/33240098252.pdfIn PDF document text
- https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132d8019aaee---lubobajumatemiraki.pdfIn PDF document text
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145a1cf727ed---20952059767.pdfIn PDF document text
- http://aqcorth.specialty-match.com/upload/files/bafukupomivolog.pdfIn PDF document text
- http://form4concrete.ru/pics/cont/file/32501106221.pdfIn PDF document text
- https://advantage.ee/media/contents/file/josutoxorofikolawaf.pdfIn PDF document text
- http://duetsepolno.pl/userfiles/file/bubipudo.pdfIn PDF document text
- http://extintoresorigen.com/images/editor/53302047025.pdfIn PDF document text
- https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614514c70a653---13397461479.pdfIn PDF document text
- http://biometria.pl/photos_fck/file/gadasutibopizado.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_off0000eee8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEE8 | 16776 bytes |
SHA-256: 977374a8f04084107feef7fdf72bf6e70d4bf3728b3cfcd64a9e4942098bfc2e |
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font_01_sfnt_off00011a1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A1C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013233.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13233 | 11016 bytes |
SHA-256: 7c6bd892945d46b148b7c478932eaae48e30d5a051c8ce2883d88327c0488f72 |
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