MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external links, many pointing to disposable hosting or compromised WordPress sites, indicating a link farm or phishing lure. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to redirect users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://cqc-material.com/app/webroot/userfiles/files/26839387979.pdf In PDF document text
- https://torgradio.ru/new/files/file/sinunogare.pdfIn PDF document text
- http://velapower.com/glwh/UploadFile/file/2021101507075073499.pdfIn PDF document text
- http://evrokomplekt.ru/userfiles/file/naregiwebamimejiporiravi.pdfIn PDF document text
- http://plovdivweek.com/app/templates/js/ckfinder/userfiles/files/31933519656.pdfIn PDF document text
- https://micsys.in/userfiles/file/86258812405.pdfIn PDF document text
- http://netinflux.net/userfiles/file/lisusadakiwonud.pdfIn PDF document text
- https://tp-pos.com/uploads/image/files/mazebululat.pdfIn PDF document text
- https://atkarisuli.hu/userfiles/file/85901542535.pdfIn PDF document text
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/jh1j06ofcpbtaqnringqhd4r93/veresepoxupitora.pdfIn PDF document text
- https://bhopalliteraturefestival.com/mpsdp/uploads/files/wikanoxijifobixime.pdfIn PDF document text
- http://contrast.no/ckfinder/userfiles/files/tusewi.pdfIn PDF document text
- https://www.terraton.com.my/ckfinder/userfiles/files/86994630121.pdfIn PDF document text
- http://www.seminariomenorvalencia.com/admin/lib/ckfinder/userfiles/files/84926085777.pdfIn PDF document text
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615c987dbcb81---88698818940.pdfIn PDF document text
- http://briquettemachinery.com/d/files/rejoferutajod.pdfIn PDF document text
- http://csc-0898.com/userfiles/file/20210912132819_0ksbm5.pdfIn PDF document text
- http://tko.wavedev.net/img/files/files/1048288235.pdfIn PDF document text
- http://almawred-sy.com/files/adminfiles/files/jafebijijuxexadifixez.pdfIn PDF document text
- http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/16138ebaec8f42---17441455105.pdfIn PDF document text
- https://digiconelectronics.com/media/mujowobiwixob.pdfIn PDF document text
- http://retailcop.ca/files/29354112253.pdfIn PDF document text
- https://ivanamihic.com/files/rufedikofe.pdfIn PDF document text
- http://feedproxy.google.com/~r/MbOu/~3/2I9n2o-U8HI/uplcv?utm_term=how+to+spell+resume+for+a+jobPDF 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_off0000e4d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4D0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fce2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCE2 | 19672 bytes |
SHA-256: 25206e5a6e2c200311aba513d3ef77b9c0afccd6e2f0ea4c6356d02c1f9aa6aa |
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font_02_sfnt_off00012f98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F98 | 10768 bytes |
SHA-256: 4752b067dc7ec01aeda15bbc46f8bfc34a2e7053f8aa8a6c83ede8ceb2a41b77 |
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