MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/384925046578219003d808943c398e5a/71989298778.pdf In PDF document text
- http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f67cb6d067---4741289909.pdfIn PDF document text
- http://globaltruthmediagroup.com/clients/a/aa/aa8380eac451876ae6ab993bf3a720d6/File/goborojozum.pdfIn PDF document text
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608e47dd6a224---putejitajipijonovivibojux.pdfIn PDF document text
- https://vanvoorst.info/uploaded/file/54885384143.pdfIn PDF document text
- http://autofulltravel.com/userfiles/files/jedoj.pdfIn PDF document text
- https://pemaboutiquehotel.com/assets/userfiles/files/linedibebepipovuz.pdfIn PDF document text
- https://ukmalayalamnews.com/userfiles/file/10503125478.pdfIn PDF document text
- https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/nhbp9ncscuf7dpeobahbl72ki6/vafagipupato.pdfIn PDF document text
- http://arunimaflavours.com/userfiles/file/74300716963.pdfIn PDF document text
- https://uleshuzataruhaz.hu/files/file/kamujepako.pdfIn PDF document text
- http://larrysiegellaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/17052246729.pdfIn PDF document text
- https://venus-forever.com/image/files/85000696862.pdfIn PDF document text
- https://alianzatours.com/imagenes/file/92409248766.pdfIn PDF document text
- http://peneleos.pl/userfiles/file/70880146720.pdfIn PDF document text
- http://tercovci.cz/files/file/vuvigodu.pdfIn PDF document text
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1607f2fa796b59---voludimopaxuregax.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=estimating+and+costing+by+bn+dutta+pdf+downloadPDF 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_off0000c3b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3B4 | 11156 bytes |
SHA-256: b48498ddcc86cfc87975cc45aea043eb7f4909fbaa277b7e4807eacd9af0e490 |
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font_01_sfnt_off0000dd6d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD6D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f57f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF57F | 17560 bytes |
SHA-256: 3cd0fb4d0d91ec94423ed72e6b42a307fb7413d71121c52479b29aacc779efd0 |
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