MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains embedded JavaScript, which is often used to redirect users to malicious websites. The heuristics indicate it functions as a link farm, with many URLs pointing to potentially compromised or disposable hosting. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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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 http://longchimvac.net/app/webroot/uploads/files/53671344751.pdf
- https://asiapharma.la/files/files/logiregeke.pdf
- https://congchung7.com/upload/file/runonudarozadikof.pdf
- https://estduquebec.com/scripts/php/xenocode/lib/ckfinder/userfiles/files/nujidox.pdf
- https://www.travelknowhowscotland.co.uk/assets/js/ckfinder/userfiles/files/masagevaza.pdf
- https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/3ut3tu601t97hscs1hr95vrelp/91462177119.pdf
- http://mindatpeace.us/uploads/files/4860976299.pdf
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/161312567e10c6---77471684549.pdf
- https://clubsecurite.fr/webroot/upload/files/50214569081.pdf
- http://associatedreclaimed.reclaimedoils.com/userfiles/files/dupuwezikanofizivak.pdf
- https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/5168a23e4ff08eb443cd2a87bf207102/dudofemapekenexod.pdf
- https://taiwan-tiaya.com/upload/tiaya_official/files/47210264602.pdf
- http://1yunnan.com/ckfinder/userfiles/files/65101514848.pdf
- http://robertfeinberglaw.com/images/edit_images/file/sojewudetabasetiz.pdf
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/naqbfc99v8nmvm3lgk61ngc5v4/28500924960.pdf
- https://huangs.tw/uploads/files/202109160429214541.pdf
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/fl8ep6herfd62bl8egqc13rpvc/pipililidefomevixol.pdf
- http://snbedu.com/uploadfile/file///2021091715302091.pdf
- http://launensia.cz/ckfinder/userfiles/files/noxupanajota.pdf
- https://rlmahtani.com/userfiles/files/wufakipaz.pdf
- http://zartmobilia.com/userfiles/file/20210910181020.pdf
- http://e-sportis.com/images/upload/mofuxonuzalafapunan.pdf
- http://stmarysharipad.com/userfiles/file/72505371098.pdf
- http://host.keraladreamhomes.com/~viswabrahmathach/admin/fckeditor/editor/filemanager/connectors/php/userfiles/file/sawiki.pdf
- http://www.yemany.com/yemfiles/files/87519955194.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=update+vidmate+software
- 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_off0000dc46.binb8056ae47ded292d68ff98d144b7ab01ca8f387a5a633a60fd36ac456d536f78 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC46 | 10668 bytes |
font_01_sfnt_off0000f4db.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4DB | 16792 bytes |
font_02_sfnt_off00010ced.binba4c0ed5aded10aa2dab4b5207f6104112d5c8bf7dff3af8e1cce30c667bacf1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CED | 17304 bytes |
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