MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains embedded JavaScript and a large number of external links, many of which point to compromised websites hosting downloadable files. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to deliver a secondary payload or phish users. The embedded JavaScript is likely responsible for initiating the download or redirect process.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091a9fec3ade---kebilatigepubegiv.pdf
- http://rld-carbon.ru/file/4380960005.pdf
- http://purpledoorchurch.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071685c1e022---fileberep.pdf
- http://mclarenquartz.in/ci/userfiles/files/62949092606.pdf
- http://pallenberg-busreisen.de/uploads/files/23685306616.pdf
- https://omomediacion.com/wp-content/plugins/super-forms/uploads/php/files/8e5a6ddd34fe25a9c2cedb021c580e3a/55293389744.pdf
- https://ganganagardentist.com/userfiles/file/zapogepasekazifadesef.pdf
- https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/a73cda82cdabd1b9a3da27b301fcb5b5/mafasurifarutanezibaf.pdf
- http://sincaremedicaltour.com/js/upload/53389301549.pdf
- https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files//gegamomamomuzupopere.pdf
- https://diphong.com/uploads/sogoguviv.pdf
- https://emenu.hu/editor_up/71548550095.pdf
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/tnhilmfjubapsd8c8napst4i9t/pebokebiwanolobifuzop.pdf
- https://firesystem.ro/imagini_ws/1775492279.pdf
- https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/gbjdlegrve1gm8av04lpgva84r/kejodesugobapukizadut.pdf
- https://starfoil-mail.nl/uploads/wysiwyg/lukafulolew.pdf
- http://livilgirls.com/files/derubexiroxeko.pdf
- http://starinviter.com/ckimagefiles/jofotubofuwonetilafaj.pdf
- https://luminex.pl/upload/file/27326391838.pdf
- https://ckmandarin.com/uploads/dojogurosujoxokijut.pdf
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606d676bce845---xugodugasugazeted.pdf
- https://brod-plovdiv.com/images/zurolotabozibi.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=avatar+the+last+airbender+film+streaming
- 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_off0000e3ad.bin39dcc5a883a995e5bee2318c4b55506fd886e19c017be2b1586979ed3369ca19 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3AD | 10868 bytes |
font_01_sfnt_off0000fc69.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC69 | 16792 bytes |
font_02_sfnt_off0001147b.bin2913ef821f88012ee8c1fe4551d09cd18dac96efd7cbdb6e29153b6ab73df687 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1147B | 18160 bytes |
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