MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript, which is a common technique for executing malicious code within PDFs. It also features a link farm pointing to compromised WordPress upload storage and other disposable hosting, indicating an attempt to obscure the final malicious destination. The ClamAV detection and ML classifier strongly suggest a phishing or trojan payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://cvconstructionsgoa.com/pharma/admin/userfiles/file/66278105327.pdf In PDF document text
- https://toppelletmachine.com/d/files/53207787158.pdfIn PDF document text
- https://galerieportelouise.be/userfiles/files/89674546351.pdfIn PDF document text
- http://didongsinhvien.com/upload/files/70630816201.pdfIn PDF document text
- http://studioferrato.it/userfiles/files/sajodufumelejipuro.pdfIn PDF document text
- https://corcreation.twbiz.me/data/fckeditor/files/20210917_072316.pdfIn PDF document text
- https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/56nbfceho2uf80monljmopl84p/befudadatifekemaxota.pdfIn PDF document text
- http://emilymillerlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jajujotamabesaboz.pdfIn PDF document text
- http://fuhua.tumujike.com/assets/upload/files/202109190455398064.pdfIn PDF document text
- https://www.studiorosaliabusco.it/ckfinder/userfiles/files/favukumofeseninanexin.pdfIn PDF document text
- http://hyeminshop.com/DATA/files/92809739329.pdfIn PDF document text
- http://franzoesischebulldoggen.eu/userfiles/file/87434071316.pdfIn PDF document text
- http://namngonviet.com/user-/files/53739391555.pdfIn PDF document text
- http://panel2conso.com/userfiles/file/14450293754.pdfIn PDF document text
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613bc3b5ed8f9---45658313521.pdfIn PDF document text
- http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/843342f43118e3d6cd2dedfbd34ab250/55550804212.pdfIn PDF document text
- https://satuldelut.ro/ckfinder/userfiles/files/32042377914.pdfIn PDF document text
- http://weilandensemble.nl/ckfinder/userfiles/files/dojebiposoxutobubegidono.pdfIn PDF document text
- http://indianapit.thriftstorewebsites.net/flash/indianapit.thriftstorewebsites.net/file/30116770002.pdfIn PDF document text
- http://lilipoupoli-drama.gr/lilipoupoli/js/ckfinder/userfiles/files/jadopolawivi.pdfIn PDF document text
- http://yljczl.com/uploadfile/20211005134653184.pdfIn PDF document text
- http://etepi.pt/js/ckfinder/userfiles/files/95173169242.pdfIn PDF document text
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/a41279ba5bc1bb81114802f23a043a01/pominiwoviz.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=need+for+speed+most+wanted+2005+crack+no+cdPDF 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_off0000c2d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2D5 | 18180 bytes |
SHA-256: fd72d3250fd3a7c4b0a0654865861bacc9b5df5b90ee455a3f9b646c44dc00a8 |
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font_01_sfnt_off0000f2b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2B6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010acd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ACD | 11176 bytes |
SHA-256: bff92e301dcbb39d2e81a38e9f8a631776ee07b597ef9f2fc55229b4ba20be8a |
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