MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to compromised WordPress upload directories and other disposable hosting, indicating a link farm designed to redirect users to malicious content. ClamAV and ML classifiers confirm its malicious nature, classifying it as a phishing trojan. The primary attack pattern involves luring users through a document that appears to offer content but instead leads them to potentially harmful external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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 http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160918942668cb---7241646582.pdf In PDF document text
- http://darec.sk/files/files/xelav.pdfIn PDF document text
- https://www.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/aia434knrmf6cf48ft74vrmlu9/1117509737.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/cf3bcdb1c27bc8f7cfda67ddbfde5f50/mebugoluvugukeniku.pdfIn PDF document text
- https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/faab1632fc47507f2e4ad4f1347697ac/42347537418.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/77183e6e53527323cd12d0cc20d4d011/40886220212.pdfIn PDF document text
- http://reelproductionshd.com/userfiles/file/87473837440.pdfIn PDF document text
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/ufcv3q9vbqoi9vdc6te59n7rps/pilokimu.pdfIn PDF document text
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609456b5ceff0---66113383364.pdfIn PDF document text
- https://gotamsui.com/ck_imgs/files/zalugiruzorejekefiloxa.pdfIn PDF document text
- http://drlalashow.com/php/billboard/uploads/file/vewiwu.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/savivakijemexowitam.pdfIn PDF document text
- https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160bbc8b647bb8---takevapolut.pdfIn PDF document text
- http://wittlich-luexem.de/userfiles/file/kefizotureza.pdfIn PDF document text
- https://jdlpartnerss.com/userfiles/file/30236074081.pdfIn PDF document text
- http://sanmorales.es/userfiles/files/fatan.pdfIn PDF document text
- https://esvigo.com/upload/files/87267856404.pdfIn PDF document text
- http://sylvianapoles.com/clients/e/e6/e63d90d46a840f0b3195f531cec11f6e/File/32679166065.pdfIn PDF document text
- http://bluestandard.pl/ckfinder/userfiles/files/kupusolavonoseku.pdfIn PDF document text
- https://nibrasimansch.com/userfiles/files/42231636925.pdfIn PDF document text
- http://arniestribu.com/campannas/file/4716418796.pdfIn PDF document text
- http://telesson.net/_UploadFile/Images/file/majuzunesufadumixuned.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=pneumatic+conveying+system+pdfPDF link annotation
- 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_off0000dfdf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFDF | 11096 bytes |
SHA-256: dc7d1636029f28202f3d37e26ca0a73b10aad0d4b27a7ffac5924e53b384f6ab |
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font_01_sfnt_off0000f99f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF99F | 16356 bytes |
SHA-256: 992444892c7df0881316afff59e9e7c810fdea5a7fdd3583598ad341b7a2979b |
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font_02_sfnt_off000123db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123DB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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