MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ML classifiers and ClamAV as malicious. It contains a link farm pointing to compromised WordPress sites and other domains, suggesting an attempt to distribute further malware. The 'SE_INVOICE_LURE' heuristic indicates the document's content is likely designed to trick users into downloading or interacting with malicious links, consistent with phishing or scam tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/co21gsr3vq60gm1ttaeu76kjk2/59776726017.pdf
- http://edgecs.net/documents/zutidedarimofibagifafe.pdf
- http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fb03674a39---34429712601.pdf
- http://katyababash.com/images/uploads/file/98877220026.pdf
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/jurekio8pma81bcmk0du82cvap/30685609378.pdf
- http://mofrantech.com/userfiles/file/29567080494.pdf
- http://aroma-es.site/yamituki-n/uploads/files/masaxapovogikinapewilas.pdf
- http://unseenadventure.com/userfiles/file/bojewowaradoxog.pdf
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cab363c73b3---mijaxuxokerunab.pdf
- https://people11people.gr/uploads/File/budoridem.pdf
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081401bc42d5---xerimu.pdf
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608119d7d7154---64211190118.pdf
- http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/1609f3750a5df1---77814082890.pdf
- http://www.aadhar-interior.com/userfiles/file/piresoga.pdf
- https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/dda8eiah40u04blahpfb25t26b/zuzugofenigolaz.pdf
- https://liniagdanskzydowo.pl/files/sowewavakeg.pdf
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/29f3351840fbfeb7d6545531f88656ff/63080558170.pdf
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/bbpijfika8m1f8tff5gak6hvrm/muselugagoxativisatof.pdf
- https://vannordenvastgoed.nl/userfiles/file/79214688547.pdf
- http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/aba26160f2c178e77854970aeb052e12/nevebino.pdf
- http://www.sec-ollivier-associes.fr/www/upload/file/24701705329.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=courage+the+cowardly+dog+pharaoh+phobia+game+online
- 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_off0000bcdd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCDD | 16792 bytes |
font_01_sfnt_off0000d4ef.bin3702a58a6ac4a8bad5e4a161f9aaff868b254dc1cc71b390ebb42ff0a6f5b581 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4EF | 15964 bytes |
font_02_sfnt_off0000fe39.bin4728bc6a1d4936a140e3a289057e58869ac1053133d4e934d187926f8e24e2ed |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE39 | 11264 bytes |
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