MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code. The presence of numerous external URIs, many pointing to WordPress upload directories on various domains, suggests a link farm designed to obscure the ultimate destination, likely a phishing or malware distribution site. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610837b7113b2---bimopulafomexiwalajubawa.pdf In PDF document text
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/160b11bd2036e7---49592384869.pdfIn PDF document text
- http://creationart.hu/files/file/dasoves.pdfIn PDF document text
- http://finalstage.biz/js/upload/files/fivuvamugi.pdfIn PDF document text
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/e564dc4ea1a07acb72f8ff244f546c42/96915081841.pdfIn PDF document text
- https://multimetrics.com/ckfinder/userfiles/files/97806432656.pdfIn PDF document text
- https://corpeverest.com/ckfinder/userfiles/files/sekupimi.pdfIn PDF document text
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607000f215940---daxejulodifog.pdfIn PDF document text
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075039aa1102---domulasiresikurakupat.pdfIn PDF document text
- https://rm-parketi.si/uploads/tijelinevukinojexerugus.pdfIn PDF document text
- http://veronikavilla.hu/userfiles/file/7495766672.pdfIn PDF document text
- http://ithaca1966.com/clients/8/85/85e9e0a76fddb83d7689cebc6ab07fae/File/63040125326.pdfIn PDF document text
- https://ptogel2.com/contents//files/44143324888.pdfIn PDF document text
- https://samavetpharm.com/userfiles/files/4266742830.pdfIn PDF document text
- https://hssipm.com/wp-content/plugins/super-forms/uploads/php/files/a2ced794396525ad6584d9d108a785dd/zotigu.pdfIn PDF document text
- http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608363bb74e56---patodiside.pdfIn PDF document text
- http://gz-theoutfit.com/UploadFiles/FCKeditor/20210624010043.pdfIn PDF document text
- https://dewalt-naradi.cz/media/upload/editor/file/zimepavojupaveg.pdfIn PDF document text
- http://cuatro-pr.org/sites/default/files/file/taledig.pdfIn PDF document text
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/lngic7n7rdaoombondgvbre4gl/14544531246.pdfIn PDF document text
- https://oazapiekna.com/zdjecia/fck/file/11118315495.pdfIn PDF document text
- http://chiangmai-clean.com/user_img/files/39602419408.pdfIn PDF document text
- https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/f84ci8gpm96onfcimc0ji3cmas/69956324020.pdfIn PDF document text
- https://xetnghiemadndanang.com/upload/userfiles/files/lazinituvemusumux.pdfIn PDF document text
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/4i4kif503h2o6bvg05s1ij3b0h/74347608850.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=gats+abkommen+pdfPDF 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_off0000e163.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE163 | 19548 bytes |
SHA-256: 641c809fb1640631920b2465010436edc3441d27010caa657140a7eedc63e929 |
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font_01_sfnt_off000113cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113CD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012be4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BE4 | 10692 bytes |
SHA-256: ff1f13b25feebab4a041af25f92e1fab4d9cae6ca461ac120d45dc2e62a611d1 |
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