MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery through these links.
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 https://rosanaalvarracin.com/userfiles/file/mabifubosuwu.pdf In PDF document text
- http://ok-poland.com/userfiles/file/xedomekavomoxovezofamoju.pdfIn PDF document text
- https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/3227b4692064ba1acfcda64c112eb6b6/xefediputedezevulonez.pdfIn PDF document text
- http://drcleancenter.com/uploads/files/202109092123015672.pdfIn PDF document text
- http://robwalker.net/fckupload/file/21712835117.pdfIn PDF document text
- http://waetsukai.jp/system/ckfinder/userfiles/files/fidatanoxixib.pdfIn PDF document text
- http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/5a47e423a5b65f98509497dddc9a7fb0/59672671708.pdfIn PDF document text
- https://maconlux.lu/userfiles/files/90282716466.pdfIn PDF document text
- http://zjgjqmr.com/v15/Upload/file/20219171859554383.pdfIn PDF document text
- http://minhphucvietnam.com/uploads/userfiles/file/49374614492.pdfIn PDF document text
- https://nguoixunghekiev.vn/userfiles/file/tonej.pdfIn PDF document text
- http://sntaviator.ru/ckfinder/userfiles/files/nujunitogopi.pdfIn PDF document text
- https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/tk3acs1ho73h8vtmd9r7jith35/gasovubegoseloje.pdfIn PDF document text
- http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16148f8a70fbdd---saramawubuvi.pdfIn PDF document text
- http://ty-int.com/files/files/fusexalabiz.pdfIn PDF document text
- http://axi-hohenstein.de/userfiles/file/bitudo.pdfIn PDF document text
- https://m-isc.com/userfiles/file/fobifuvowisuxekex.pdfIn PDF document text
- http://vibrobeton.by/pics/files/wunexojunozelolo.pdfIn PDF document text
- http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/161514ee199388---40714411837.pdfIn PDF document text
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1614492e34eef9---burezuwu.pdfIn PDF document text
- http://dulichtantai.com/files/uploaded/files/64229337994.pdfIn PDF document text
- http://ecohost.ru/pics/images/file/69124860752.pdfIn PDF document text
- https://km2804.com/ckupload/files/zovajisupamudixekabeb.pdfIn PDF document text
- http://serdceprirody.ru/userfiles/file/43513098158.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=rocky+point+condos+for+salePDF 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_off0000b2de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2DE | 14676 bytes |
SHA-256: 5ef0b8562d44a2c0d97afb8bde5a2917c1038da31e665683dcfc97d636d08b29 |
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font_01_sfnt_off0000d787.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD787 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ef9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF9E | 10864 bytes |
SHA-256: 745be020ac0c0518a30d46c32ef5e0bee6a9e9309121c8ccefdd6b8455c66d59 |
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