MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many of which point to websites hosted on compromised CMS platforms or are part of a link farm strategy. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to direct users to phishing or malware-hosting sites. No scripts were extracted, and the document body was unreadable binary data.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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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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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://ourpreferred.com/userfiles/files/19335053857.pdf In PDF document text
- https://speedwayinfo.hu/uploads/file/86483870536.pdfIn PDF document text
- https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131d4969463d---94832217573.pdfIn PDF document text
- http://bixenony.com/userfiles/files/68957081735.pdfIn PDF document text
- https://daotaolaixesontay.com/uploads/file/lutizadosevegofatokumol.pdfIn PDF document text
- http://mcdanielz.eu/files/file/93641578273.pdfIn PDF document text
- http://weorderfood.com/uploads/files/dasaxewixinumonake.pdfIn PDF document text
- http://salamino.pl/userfiles/file/sumokalewomabomopekowo.pdfIn PDF document text
- http://hkwwta.org/userfiles/75727641662.pdfIn PDF document text
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b37d3985e9---57522564507.pdfIn PDF document text
- https://digireg.lu/upload/27830127383.pdfIn PDF document text
- http://ifaistos.reality.gr/~triantaf/images/file/vapinifutulawo.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130b48a0f6e3---zotujag.pdfIn PDF document text
- http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/161301bb80a48f---55234962750.pdfIn PDF document text
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613bcdf61c3c3---76375881635.pdfIn PDF document text
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138f7479a4bc---99458592297.pdfIn PDF document text
- https://iskoruma.com/upload/ckfinder/files/kojomipasamegudipopumug.pdfIn PDF document text
- http://underbutter.cz/download/foto/64063138314.pdfIn PDF document text
- https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/0391f21932db4da0565b03e44be0968a/49982664491.pdfIn PDF document text
- https://keralahappyjourney.com/ckfinder/userfiles/files/3175784810.pdfIn PDF document text
- https://www.loscam.com/lib_common/ckeditor/ckfinder/userfiles/files/50404371559.pdfIn PDF document text
- http://ckattorneys.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sunokifegasubidunakuj.pdfIn PDF document text
- http://ark-mr.com/data/home/qxu2063190031/htdocs/uploadfile/files/13676236522.pdfIn PDF document text
- http://orthodoxnews.us/file/nolalimazuxopo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=justice+league+snyder+cut+release+date+2021PDF 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_off0000c0d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0D8 | 10924 bytes |
SHA-256: 19df5fd7e7259335a33f05d7072acbc40f5d5ab88fe3d8a0254a22e2ea177944 |
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font_01_sfnt_off0000da45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA45 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f257.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF257 | 17420 bytes |
SHA-256: fcc18fc12918b7eebe588f2428e0193d782cf995452a289a00be3a479d5e04d8 |
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