MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by a machine learning classifier and ClamAV. It contains embedded JavaScript and numerous links pointing to compromised websites, indicating a likely phishing or malware distribution scheme. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests the PDF is part of a link farm on disposable hosting, further supporting its malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://contabilidadegoncalves.com/fotosempresa/files/21797746758.pdf In PDF document text
- http://www.szphotar.com/admin/img/files/43864874498.pdfIn PDF document text
- http://raegcafe.com/uploads/files/narufavezatusimaro.pdfIn PDF document text
- http://pantanalmsnews.com.br/ckfinder/userfiles/files/34609206124.pdfIn PDF document text
- http://reklama-kemerovo.ru/files/files/7081844311.pdfIn PDF document text
- http://355353.ru/userfiles/file/gunaremosakemewig.pdfIn PDF document text
- https://kingwaterpure.com/ckfinder/userfiles/files/zagaki.pdfIn PDF document text
- https://clove7.com/userfiles/file/77555068043.pdfIn PDF document text
- http://otczenacts.com/media/files/zakotajomujawufanupefu.pdfIn PDF document text
- https://reclamesticker.nl/images/uploads/file/In PDF document text
- http://cainghienbinhduong.com/uploads/userfiles/file/mizabasozazametevusifeza.pdfIn PDF document text
- https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614026e6bb215---fonesivita.pdfIn PDF document text
- https://atarentacarburdur.com/userfiles/file/6292803522.pdfIn PDF document text
- https://nanyangtextile.com/userfiles/file/12897823752.pdfIn PDF document text
- http://www2.grupoksl.com.br/js/ckfinder/userfiles/files/29027604592.pdfIn PDF document text
- http://linpus.com/app/webroot/userfiles/files/33211345906.pdfIn PDF document text
- http://quiltingacademy.net/fckeditor/userfiles/file/56687085034.pdfIn PDF document text
- http://mlight.cz/archiv/file/gefidapo.pdfIn PDF document text
- https://proxkimya.com/resimler/files/48640823398.pdfIn PDF document text
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141f20ab7092---47222718575.pdfIn PDF document text
- http://furniture83.com/upload/files/bugipisoboborozabujidufi.pdfIn PDF document text
- https://majubesar.net/contents/files/kumoxufagebilebojob.pdfIn PDF document text
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1614dce201d1a7---3146769493.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=the+hunger+games+2+summaryPDF 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_off0000aff4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFF4 | 10496 bytes |
SHA-256: 5854d03f2ab0be789d5af121310f5ca263903de06cea04c52105e5e39c67902f |
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font_01_sfnt_off0000c7af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7AF | 16504 bytes |
SHA-256: 255e3b843732d8b97e8e28ba08908e6eec666ebffdd6f252f978c5415c90a49d |
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font_02_sfnt_off0000f1d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1D7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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