MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is a PDF identified as malicious by ML classifiers and ClamAV. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites and other domains, likely intended to lure users into clicking malicious links. The 'SE_INVOICE_LURE' heuristic suggests a pretext of payment or invoice, further supporting a phishing or scamming intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9935
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 http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607d3f07678dc---sofuxesazamim.pdf
- https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16083e13220d9d---dofefob.pdf
- https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/fkatb5k1e16m7hdhq0g8hgbtv9/zixajuzuwojiwiwulib.pdf
- http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/hdo3f6o3uu0a0npq01qvag8b42/69108104782.pdf
- https://houstoncoinshow.org/FCKeditor/file/lavasezoxukodamiv.pdf
- http://progetec.org/userfiles/files/nogoloredidugopibezum.pdf
- https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16080c13760c98---titumatefojoxanuri.pdf
- http://curry-box-deluxe.de/userfiles/file/lofolirupadidujubube.pdf
- https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/cc1aeed0828c5ae495f3f2e41dbb74ca/kapasibes.pdf
- http://ecohort.com/userfiles/files/lasoxizutumoxekelarozaba.pdf
- https://kodcomputers.ro/2664/uploads/gapinekunupojofonalaxiju.pdf
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adc17420af0---kokobe.pdf
- http://arcadia1973reunion.com/clients/3/33/33cb7023d77084166ed027ca16b579b7/File/69961167978.pdf
- https://espiber.cl/images/uploadedimages/file/10627819709.pdf
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/sjvnts2j0la5l9r8laem9q6oal/pefepupotol.pdf
- https://fcksa.com/ckfinder/userfiles/files/62344183569.pdf
- http://ukicda.com/admin/fckeditor_upfiles/file/2021062115270580554.pdf
- https://www.kasekimi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bc08f084ff---1845778861.pdf
- http://amoy-art.com/Upload/file/45062146684.pdf
- https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/3e9a806c39097d4b4d0e901c51e6d1fd/divesobutepiv.pdf
- https://turkuazhost.com/calisma2/files/uploads/lulifefolavujozel.pdf
- http://www.reenactmentmarket.eu/images/wyswig_images/file/beribogi.pdf
- https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/4o46a4tv62u200b7di9dsvqek0/34622222664.pdf
- https://greenfuturevietnam.com/Upload/files/88846787719.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=informed+consent+form+for+interview
- 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_off000112b6.binf4dee9b92a1b807f4a7b8f2fd1796ff61522e7a5f7d8b53b3c3101a7233d72e0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112B6 | 17204 bytes |
font_01_sfnt_off00013f9f.bin6e865bc151b136b8b6025c5808f6b09a180f912e2f18eb613985ba3a322e04b1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F9F | 10532 bytes |
font_02_sfnt_off000157a2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x157A2 | 16792 bytes |
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