MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a link farm pointing to multiple compromised CMS upload directories, a common technique for hosting malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution. The presence of numerous unknown URLs suggests a broad distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/161374d0bb06b2---darawononazizukodubafi.pdf In PDF document text
- https://cylinder96.ru/admin/ckfinder/userfiles/files/72839938336.pdfIn PDF document text
- http://bananamusic.tw/uploads/files/202109111404452500.pdfIn PDF document text
- http://dr-temt.ru/images/file/6511416635.pdfIn PDF document text
- http://on-video.com/movies/movie_data/file/xekibo.pdfIn PDF document text
- https://abcelectricalonlineshop.brilliantwebtech.com/userfiles/files/99227460247.pdfIn PDF document text
- http://fiumevivo.it/userfiles/files/toviwafomube.pdfIn PDF document text
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/4a64645a4fb24c1e4e22e813c16d7edf/44271639877.pdfIn PDF document text
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138428033c90---91443484034.pdfIn PDF document text
- https://mtydizayn.com/userfiles/file/75945832920.pdfIn PDF document text
- https://zabulgaria.org/userfiles/file/jinasabusamupujuze.pdfIn PDF document text
- https://brawlcall.jordanadams.com/ckfinder/userfiles/files/81863306324.pdfIn PDF document text
- https://lekkermooi.nl/userfiles/file/61257595675.pdfIn PDF document text
- http://pegasomeeting.medcoast.net/ckfinder/userfiles/files/dedizefiwogulalomero.pdfIn PDF document text
- https://alakharia.com/public_html/userfiles/file/91277220126.pdfIn PDF document text
- http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/16137604e57469---xujiwop.pdfIn PDF document text
- https://excore.hu/ckfinder/userfiles/files/13653181656.pdfIn PDF document text
- http://arenda-v-novosibirske.ru/ckfinder/userfiles/files/85283105315.pdfIn PDF document text
- https://jgranit.pl/userfiles/file/85283968942.pdfIn PDF document text
- http://effektfilm.de/files/file/66495298451.pdfIn PDF document text
- https://kfk-dekoration.dk/images/uploadedimages/file/63326754051.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=windows+pc+apk+downloadPDF 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_off0000d385.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD385 | 10348 bytes |
SHA-256: ef629d396f78128be6ffec42c29fe3efec06e981a7aa45f1622b92ed511f3a15 |
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font_01_sfnt_off0000eb03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB03 | 17532 bytes |
SHA-256: 94c735c746504cb4b8f947083aa4804a1a17a47a83105e01c076f42c7850b153 |
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font_02_sfnt_off00011818.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11818 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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