MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and a link farm pointing to compromised WordPress upload storage and other disposable hosting. These elements suggest an attempt to trick users into downloading further malicious content, likely through a phishing pretext. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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 https://mut-zur-veraenderung-hambuch.de/userfiles/file/keludolet.pdf In PDF document text
- http://nasledie-sluck.by/var/upload/file/mukitedebuvukuwojopomona.pdfIn PDF document text
- http://holzweiss.at/217168805.pdfIn PDF document text
- http://5thaveseniors.org/userfiles/file/logofigefuwifurivuwetow.pdfIn PDF document text
- http://www.hz-kontejnery.cz/ckfinder/userfiles/files/surobegejukojejaxin.pdfIn PDF document text
- https://www.gullyracing.it/admin/ckfinder/userfiles/files/6339560199.pdfIn PDF document text
- https://hotelreviewreserve.com/basefile/hotelreviewreservecom/files/bobutov.pdfIn PDF document text
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16130fb72ce05e---49669450739.pdfIn PDF document text
- https://lensmam.com/userfiles/file/xumusegedegiredido.pdfIn PDF document text
- http://kup-vino.cz/web/ckfinder/userfiles/files/8535262854.pdfIn PDF document text
- http://domkomplekt34.ru/attachments/file/24925474241.pdfIn PDF document text
- https://konchris.com/userfiles/file/1630590926.pdfIn PDF document text
- http://studiobaldizzone.com/userfiles/files/41276313787.pdfIn PDF document text
- http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161316e42ad914---rojabemenefevifavamekaf.pdfIn PDF document text
- http://garagehayashi.com/js/upload/files/boregapoxigo.pdfIn PDF document text
- http://plise.org/userfiles/file/juborapijimef.pdfIn PDF document text
- http://gibisch.org/files/files/nowamigiluvejodela.pdfIn PDF document text
- https://lrdreamteam.com/files/files/file/InfoProduct/file/13019440920.pdfIn PDF document text
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613792db70981---44331879490.pdfIn PDF document text
- https://zilalcooling.com/other_files/File/bavefotogis.pdfIn PDF document text
- https://www.gullyracing.it/admin/ckfinder/userfiles/files/29694650183.pdfIn PDF document text
- http://aa-nusd.jp/kupesiviguvetapulusejij.pdfIn PDF document text
- http://xn--q20b13r9leepaeb.net/upload/file/202109092134596290.pdfIn PDF document text
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135ca73ba33e---63976937963.pdfIn PDF document text
- http://staractivecollection.com/resimler/site/files/37871360697.pdfIn PDF document text
- http://goldnumber.info/userfiles/file/puguxuzozafatopor.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=download+muse+dash+apkPDF 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_off0000e63b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE63B | 10648 bytes |
SHA-256: d2c2e22a8676b6b166c0b53e22dedd9fb9b0152dd33cf991ddfd79c1661957d4 |
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font_01_sfnt_off0000fe78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE78 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001168a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1168A | 18844 bytes |
SHA-256: 40b5a0c5d022f15c45356b2fedc97de06e154e615d1f3c248ea7f91214bf337c |
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