MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised WordPress sites, which in turn host other PDF files. This pattern suggests a link farm designed to obscure the ultimate destination, likely a phishing page or malware download. ClamAV detection and ML classification strongly indicate malicious intent, with the document likely serving as a lure to download a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160c24c3146920---85191669818.pdf In PDF document text
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff5ebbf8b9---58191367154.pdfIn PDF document text
- http://www.zywawiara.pl/pliki/46941176269.pdfIn PDF document text
- http://brainbond.ro/userfiles/file/3175410394.pdfIn PDF document text
- https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/5flbna798rev9cajc69d8075fv/99748998553.pdfIn PDF document text
- https://accuratesearch.com/userfiles/file/welof.pdfIn PDF document text
- http://metamorfoza-krosno.pl/userfiles/file/rejupodoxiwemirunoraw.pdfIn PDF document text
- http://gymostrov.org/gymostrov/userfiles/file/bagisega.pdfIn PDF document text
- http://cbcom.eu/ressource/site-image/files/delubu.pdfIn PDF document text
- http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/1607c7dd56a2f6---36038627700.pdfIn PDF document text
- https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3b9758631a---kagimuretasopojejimuzaxot.pdfIn PDF document text
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c465600aaff---12908274932.pdfIn PDF document text
- http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/q0f5t1p9ka37cpkrva40k92od4/rexesesitanibofu.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/4f0aa8c7d0b647a83b2ab5d5809a2736/revilixaka.pdfIn PDF document text
- http://legalinet.eu/userfiles/files/37483026241.pdfIn PDF document text
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/16072143c2fe60---bumawaxitob.pdfIn PDF document text
- http://traiteur-ribot.fr/userfiles/file/wupirutesezovodef.pdfIn PDF document text
- http://seoulsquare.com/userfiles/file/8380888250.pdfIn PDF document text
- http://conflictfreeelectronics.com/ourprojects/chowki/UserFiles/renuka/file/58666555396.pdfIn PDF document text
- http://eksan-ltd.com/userfiles/file/rizobazakinelufivasudoz.pdfIn PDF document text
- https://777mto.com/contents//files/15695298954.pdfIn PDF document text
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc9e2e5007---7152365146.pdfIn PDF document text
- https://mtmnetwork.net/uploadEditor/files/zezitigikapawogetunowur.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=tamil+lessons+in+sinhalaPDF 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_off0000c9fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9FC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e20e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE20E | 17012 bytes |
SHA-256: 9b377b075ae6b6b14c357702d7f241af6361f0357835289ac86cb944cbf78747 |
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font_02_sfnt_off00010e43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E43 | 10140 bytes |
SHA-256: 7e76791ae659172c64644ebcebb3be20fdf7014793eaf197fc56ddc971ece9aa |
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