MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was identified as malicious by a ClamAV signature and an ML classifier, indicating it is likely a phishing or malware distribution lure. It contains numerous embedded URLs, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. No scripts were extracted, and the document body was unreadable binary data, limiting further analysis of specific payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 6
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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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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://gemculture.com/userfiles/file/88116123510.pdf In PDF document text
- http://chukgoobok.com/files/fckeditor/file/favutetozererotuvomifum.pdfIn PDF document text
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160991ed23e7ee---bomizimiduzakakafejugaf.pdfIn PDF document text
- http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086dc49e8ca1---33561810689.pdfIn PDF document text
- http://forter.vn/hinhanh/file/mujek.pdfIn PDF document text
- https://montpellier-business-plan.com/mbp/upload/images/images/upload/ckfinder/94825540815.pdfIn PDF document text
- https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/p8ispiqrsa47aqlo15tboj0q30/neripukewi.pdfIn PDF document text
- http://www.esthemed.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1608db1e4a3fb9---649100333.pdfIn PDF document text
- https://www.nordatec.com/wp-content/plugins/super-forms/uploads/php/files/ultg2h7grj6gpr9nsov3orpuif/nusuridivalisazifutaxufo.pdfIn PDF document text
- https://takeorders.online/wp-content/plugins/super-forms/uploads/php/files/jqjaov60n9us641omv189dag3f/zefopisulenirotun.pdfIn PDF document text
- http://brandweeramsterdamamstellanden.nl/userfiles/file/vumufufosu.pdfIn PDF document text
- https://dm288.com/slicice/file/pomefidijenu.pdfIn PDF document text
- http://apartmaji-zunicmile.com/uporabnik/file/75254351442.pdfIn PDF document text
- https://poolpoint.be/uploads/file/1973074102.pdfIn PDF document text
- https://ols.lighting/wp-content/plugins/super-forms/uploads/php/files/9fb3e4ecfcfb8b3e9185f8a21f165822/30957201855.pdfIn PDF document text
- https://alatheir.com/atheirwsfiles/file/baxibexunawipitovewiji.pdfIn PDF document text
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/1609d7641d712f---wawebumepikepowoliw.pdfIn PDF document text
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/0f3a7967e64defe4fe36ba6a82900637/bufowexulese.pdfIn PDF document text
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160915b729f970---47725087812.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=effort+in+a+relationship+quotesPDF 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_off00012b1e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B1E | 17592 bytes |
SHA-256: fc2ca28902d3b3e250089dabf103c4cb6f2c7ce6ac63464fcee801ae86904716 |
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font_01_sfnt_off0001584f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1584F | 10684 bytes |
SHA-256: a13c4cebe6e5fef129c376ddc5afca2fe05695a1d6cd58942c4d6b1b15688963 |
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font_02_sfnt_off000170b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x170B2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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