MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as 'Pdf.Phishing.Trojan'. The document functions as a link farm, containing numerous URLs pointing to compromised WordPress uploads and disposable hosting domains. These links likely lead to phishing pages or further malware downloads, indicating a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9988
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://auf.vn/wp-content/plugins/super-forms/uploads/php/files/b5aafobdqikta2el6o1nh8ces2/89084497268.pdf In PDF document text
- http://softwarefactory.nl/images/file/32948374226.pdfIn PDF document text
- http://hkxhjfc.ltd/uploads/files/20210627055538.pdfIn PDF document text
- http://vitanova-cattery.com/upload/file/jazewosaf.pdfIn PDF document text
- http://kasystemofkarate.com/clients/861259/File/xuzanovilix.pdfIn PDF document text
- https://rocksoliddesigns.biz/userfiles/file/komuxotudikepimidifatub.pdfIn PDF document text
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/mdqt3qe7145i396srs00ksmoe4/43692904459.pdfIn PDF document text
- https://marljivo.hr/UserFiles/files/vimav.pdfIn PDF document text
- https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/d5095284fe243dc5437772ca81b6bfb6/zuditufufixalul.pdfIn PDF document text
- https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/29lfsueabebvqjgugh2kj0hb4p/47011752866.pdfIn PDF document text
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070f14499508---dirarorapamixejapep.pdfIn PDF document text
- https://weilaimachinery.com/userfiles/files/92761060732.pdfIn PDF document text
- http://ahcxdq.com/uploads/file/140153248033.pdfIn PDF document text
- http://nanobubblevietnam.com/uploads/userfiles/file/wuxanebew.pdfIn PDF document text
- http://adveotec.com/img/file/37280193505.pdfIn PDF document text
- https://karapinarinsaat.net/userfiles/upload/file/judeveranime.pdfIn PDF document text
- https://topclassgreenery.nl/images/file/91095062882.pdfIn PDF document text
- http://animationcoach.com/userfiles/file/35838891494.pdfIn PDF document text
- https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/16090e431401ce---pavaju.pdfIn PDF document text
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a578bd97cc---40568089168.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=catia+surface+modelling+tutorial+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_off00015644.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15644 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00016e5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16E5B | 11092 bytes |
SHA-256: 1ac58aa8e96be736d543cd12bd3051ce1f7d66fe88eae81bdb9afcc556c8a9e0 |
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font_02_sfnt_off00018804.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18804 | 17372 bytes |
SHA-256: 22fdb28618d3129b8881555dc995fdb52480472e16d7c27120d967085e8c109a |
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