MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and numerous URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or malware delivery. The embedded JavaScript is a common technique for exploiting PDF vulnerabilities or initiating further malicious actions.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://termoformat.md/img/files/23774678008.pdf In PDF document text
- https://rajatotogroup2.com/contents/files/10032227071.pdfIn PDF document text
- http://hooleihomes.com/cms_images/file/68801567757.pdfIn PDF document text
- http://tao-oita.com/admin/upload_filesfile/jatezewaja.pdfIn PDF document text
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16143ec37b06e6---zunulapebivavafafugumo.pdfIn PDF document text
- https://bursac.net/userfiles/file/kepifa.pdfIn PDF document text
- http://downtowncincyhotels.com/core_degree/admin/images/cms_imagesfiles/mokuvagifarukurim.pdfIn PDF document text
- http://julianowka.pl/ckfinder/userfiles/files/23311427458.pdfIn PDF document text
- http://sbsedupatti.com/sbsedupatti/userfiles/file/16821856787.pdfIn PDF document text
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/16155b52457459---89778553864.pdfIn PDF document text
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/391bef05ecd5fc6ff43a45d3657cf9ef/90624620217.pdfIn PDF document text
- http://fertilityupdates.com/userfiles/files/zorolulumepalekolutakes.pdfIn PDF document text
- https://hgb.se/filer/file/fetew.pdfIn PDF document text
- https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/e74v2bdlqjhajm2vpfgt2c50k8/92341984930.pdfIn PDF document text
- http://phutungotodungha.com/img/files/borovovupusineme.pdfIn PDF document text
- http://bantinnhadat.com/users/files/rodufe.pdfIn PDF document text
- http://dayuntang.com/assets/uploads/ckedit/files/20210912200615.pdfIn PDF document text
- https://xn--bankkrtya-41a.hu/js/ckfinder/userfiles/files/22365352760.pdfIn PDF document text
- https://coebmsf.com/userfiles/file/6005062849.pdfIn PDF document text
- http://liderzy.natura2000.pl/imgturysta/files/64101648670.pdfIn PDF document text
- https://sharkovinkom.com/sharkovinkom.com/ckfinder/userfiles/files/14833309083.pdfIn PDF document text
- http://powerfalcon.net/uppic/files/71953516946.pdfIn PDF document text
- http://divapharma.com/uploaded/file/dotoronetedavowidu.pdfIn PDF document text
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/746441dae4b361c0436dbe4f4b58bbe3/8496437756.pdfIn PDF document text
- https://feedproxy.google.com/~r/Gsjc/~3/2I9n2o-U8HI/uplcv?utm_term=handel+time+periodPDF 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_off0000f1e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1E0 | 17976 bytes |
SHA-256: e9aacde3b10c0b7536a30dc7e4e1a48db2b9c59534ec2c675d3380c9daa54575 |
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font_01_sfnt_off00011fd3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FD3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000137ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137EA | 10376 bytes |
SHA-256: 37f84f04429cad49ee13c96c4ab9ecbbe91e4801850d7afdd3678e55d6036895 |
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