MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains embedded JavaScript and numerous external URIs pointing to compromised WordPress sites, suggesting it functions as a link farm designed to redirect users to malicious content. The presence of embedded JavaScript indicates potential for further exploitation or redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
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://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/160c89c5f289ec---70365370591.pdf
- https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a79d8a305bb---fagamelanokemi.pdf
- http://www.pilonidalsinus.gen.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16075cd57e6c95---26536783636.pdf
- https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/vh50mn2b7kss1f4n8hdrjngenq/kuvovisidebajola.pdf
- http://builderall.info/userfiles/file/82999127263.pdf
- https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16078735c8f30e---93914349344.pdf
- https://pilotcenter.gr/wp-content/plugins/super-forms/uploads/php/files/fa3lbtcl0tmokl1mbhivct9v51/26635181105.pdf
- https://bwawarszawa.pl/upload/file/30398589214.pdf
- http://ibiforstarlight.ca/clients/3/3c/3cfcca4e360ca8807b7dd7d6e7cbeae0/File/18051717788.pdf
- https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/kfl72t4t9n9cuunnvvpsjcibsu/45947288471.pdf
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16098d65e037fa---mipuzuw.pdf
- https://mihalex.by/files/files/10121338026.pdf
- http://cheapneasytrafficschool.com/CheapNEasyTrafficSchool/pa/trainstation/uploads/image/file/48022440985.pdf
- http://sk-massimo.com/js/upload/files/17040280458.pdf
- https://lionkingbali.com/uploads/file/sujateveribomoso.pdf
- https://chp-travel.ir/data/file/masumexatarinixifatebusa.pdf
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ed87ed630e---kolivelowifazovitozu.pdf
- http://szao-spb.ru/images/news/file/vusuwaro.pdf
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbf36c747f---67816487379.pdf
- https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cc1440c7305---20442400965.pdf
- http://x04ydivan.ru/userfiles/file/domavul.pdf
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0e15589e15---fevajo.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=tenses+rules+with+examples+pdf
- 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_off0001128a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1128A | 16792 bytes |
font_01_sfnt_off00012aa1.bin9d2a9daeb14265a3a814b1a060d3e4019f5269fa3a6bc264f3dee5a1a9b81297 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AA1 | 10892 bytes |
font_02_sfnt_off000143ad.bin3aecf6d0dbff30d1dd071cce2fe269b0b13afb0c23267ed956519ae44b0bbb6e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x143AD | 17552 bytes |
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