MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to multiple compromised websites, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the presence of numerous external links and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic suggest the document is designed to redirect users to malicious content.
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 https://vieiras.pt/imagensprodutos/file/54906680464.pdf
- https://cald-lighting.com/wp-content/plugins/super-forms/uploads/php/files/979fe82f0a0ef400eba69dd26c0f2c46/46892831195.pdf
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a62fefaa57b---83899525742.pdf
- http://huile-de-nigelle.info/userfiles/file/912775676.pdf
- http://cricalliance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bd38dab82f---97445373281.pdf
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/lptgpnnmnun16m0dt2lahj92jo/kepelibu.pdf
- https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/rtp8d3c6ll2boghpidm373tc53/vujarapevoj.pdf
- https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b064ab917af---7697072625.pdf
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ddc3d02769a---75400484152.pdf
- http://nedirajtebosnu.net/userfiles/file/lafikoresomaximefejibuge.pdf
- https://dietacud.eu/upload/file/wedekaritakibajujoluf.pdf
- http://architettodrabeni.it/userfiles/files/mikuzibavedub.pdf
- https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/405cc9936fd7599ffd9cc401d2efc726/19900222965.pdf
- https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/e7aqpj7evadenfoq9kbr33sn22/ruxomevufozuve.pdf
- https://quickonboarding.com/wp-content/plugins/super-forms/uploads/php/files/4b85bd204c4dda60a89abb397e6c292a/vobuxefifum.pdf
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/uilco95ihus98f11hs5ueg0s52/21216999185.pdf
- http://aklond.com/UploadFilesfile///2021051910430927.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160999af482f26---56065046780.pdf
- https://ficsllc.com/wp-content/plugins/super-forms/uploads/php/files/07q9r78gq8nlr2sddjb34692up/musigagosepogo.pdf
- http://yuemeism.com/uploadfiles/files/gedizifid.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=csir+net+chemistry+question+paper
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000df76.bin4aa612bb0672fa5e20ef2b84835318119ad2ca4479f973f9e66d9c72109eb54f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF76 | 10984 bytes |
font_01_sfnt_off0000f8d1.bine889023ab1da9d10d187a6bd27e65298ab3d2b31dd59c31f1780716afbded5ee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8D1 | 18464 bytes |
font_02_sfnt_off00012876.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12876 | 16792 bytes |
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