MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, with heuristics indicating it is a link farm pointing to compromised CMS uploads. The SE_INVOICE_LURE heuristic suggests a phishing pretext related to payments. While no scripts were directly extracted, the PDF structure and embedded URLs indicate it is designed to redirect users to malicious content, likely a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9913
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://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a801340962a---navupena.pdf
- https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/2a9jfradu3704317ujdqpm4aas/40648313498.pdf
- http://dailitara.lt/bites/uploads/file/dasodikit.pdf
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/16077e4b1cea6d---xabuzidiv.pdf
- http://suapaiatuipelehakefamily.com/clients/80707/File/28347949860.pdf
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160daf1e74d3bc---55268727237.pdf
- https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/488a92a3f8f77c8c125fedbda408688f/sazedusezowamezolinizuro.pdf
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d9bdc83805a---dugiramazopurubokoz.pdf
- https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/60829a97aca2c42d2f6080f1930237ac/pumufawep.pdf
- http://easttbirds88.com/clients/d/d7/d767393c090093bf18db16876c07b5c3/File/koramonibotuwoteju.pdf
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1608ac0916fd58---retebeduvupewebadanozi.pdf
- http://seyrimerdin.com/userfiles/file/93268949128.pdf
- http://mynigaoe.com/upload/file/20210606191801.pdf
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090e3aca292f---90119773105.pdf
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/16090cdf300929---lizoreru.pdf
- http://makesomenoise.hu/upload/file/38190507782.pdf
- https://jnfarley.com/wp-content/plugins/super-forms/uploads/php/files/8ianqgiu573ks516jni4uj6io1/rutedojifejefozesob.pdf
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16094d1b2d26ee---26611724717.pdf
- http://banglenhospital.com/UserFiles/File/33476371570.pdf
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087988d5023f---62768759527.pdf
- http://paulbwatkinslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vevuli.pdf
- https://widepolymers.com/userfiles/file/39060268068.pdf
- http://ewinghighclassof1963.com/clients/e/e4/e4cb61fc1babc639533983e887b7272d/File/32101498556.pdf
- https://dimensioninteractive.com/WYSIWYGImage/file/pedot.pdf
- https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/1f80895d8b27bf1158301f586bc987dc/41291657272.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=working+with+medical+abbreviations+worksheet+answers
- 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_off0001b948.binb8b67c72c67f472d84934d3697d2cec4a9e0f1157e91672c4879ebb3bf291aa5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B948 | 18064 bytes |
font_01_sfnt_off0001e8b8.bin97b9706a85dbe64e72dde40bf737255805f181386bf224d5eb3d25d5bffcc969 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1E8B8 | 11192 bytes |
font_02_sfnt_off00020297.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x20297 | 16792 bytes |
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