MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was identified as malicious by ClamAV and an ML classifier, and it contains embedded JavaScript. It also exhibits characteristics of a link farm, with numerous URLs pointing to potentially compromised WordPress sites, suggesting an attempt to redirect users to malicious content. The presence of JavaScript indicates a likely attempt to execute malicious code upon opening the PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/nnbgd95lapn99kapqoecbd5uk1/govamolanofibizago.pdf
- https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/cceb0c72e1a735f2396dbfc31e84b704/43582091180.pdf
- http://benthanhsgfarm.net/images/uploads/files/43537950849.pdf
- http://seyrimerdin.com/userfiles/file/5154171104.pdf
- http://aceonlinementors.com/userfiles/file/kujorefegogemurutijo.pdf
- https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/6f6be1d3cb858ffea66e77fd3c1f3aa3/tuwadedi.pdf
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160875845c8eb4---seduzu.pdf
- https://plswa.com/wp-content/plugins/super-forms/uploads/php/files/6d15a32d0a8c24fecc04ad9720540507/25229501002.pdf
- http://zulassung4you.de/bilder/file/zuzezobunupoko.pdf
- http://gilendor.cz/userfiles/file/94444998988.pdf
- https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/b03bf4fb54a8f94d01a5c926bc8fc8bf/nidowogaxuwobipegewawul.pdf
- http://carshopm.com/js/upload/files/221043973.pdf
- http://delawaretravelmedicine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608431c8ae195---gixeraxerofekepelefe.pdf
- https://daleel.global/wp-content/plugins/super-forms/uploads/php/files/vcfmnkphpjkvqapmvnrq0gp441/38344004871.pdf
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160838c3c912a2---japonivifogijibiwizolu.pdf
- http://studiosaletta.it/userfiles/files/foxisonanuk.pdf
- http://zae.me/datafiles/file/30795838083.pdf
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160874b41d99d3---faton.pdf
- https://medicentrumnz.eu/medicentrum/files/file/nugipim.pdf
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/851622e971def37325d0a28cd0448761/72460100414.pdf
- https://detectiveoffice.net/userfiles/file/44390926800.pdf
- https://yellowstonewildlife.com/20992366591.pdf
- https://szamitogep-szerviz-javitas.hu/ckfinder/userfiles/files/76057655174.pdf
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b22e3bc960f---2690359259.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=how+color+affects+your+perception+of+food
- 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_off0000f64f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF64F | 16792 bytes |
font_01_sfnt_off00010e61.binb555d3ffc00caad0c472c7ce879381fd66c26de59b8ebe889949b624169ff826 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E61 | 17612 bytes |
font_02_sfnt_off00013cbb.bina937ad6c190e7ebcdd4041f605c2f0d600cdbb0d312b0805c04897eb6729c8ca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CBB | 10904 bytes |
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