MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external URIs, many of which point to compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a link farm structure, and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' suggests these links lead to malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 http://dorisemitchell.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xerilofelunap.pdf In PDF document text
- http://gma.ge/admin/ckeditor/ckfinder/userfiles/files/28734136329.pdfIn PDF document text
- http://luvnchrlysenglishtoys.com/clients/861429/File/25624655046.pdfIn PDF document text
- http://auksozvynas.lt/userfiles/file/71992236647.pdfIn PDF document text
- https://thekolkatapackersmovers.com/ckfinder/userfiles/files/63504668519.pdfIn PDF document text
- http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e926296b7a---marafuvumodefijufi.pdfIn PDF document text
- https://bluza-shop.ru/content/File/82372991775.pdfIn PDF document text
- http://xn--k1akb4c.xn--p1ai/userfiles/file/tadavaroxuwo.pdfIn PDF document text
- http://omak1968.com/clients/71178/File/pojusijanimisozikolani.pdfIn PDF document text
- http://maimungkorn.com/UserFiles/file/88692289080.pdfIn PDF document text
- http://aostavet.it/userfiles/files/45152467144.pdfIn PDF document text
- https://dienlanhhonganh.com/images/pic/file/49054948577.pdfIn PDF document text
- http://enjoybowlramenandpoke.com/uploads/files/42140481008.pdfIn PDF document text
- https://xn--atpta-nfb.lv/images/userfiles/files/vatowiwivanazowuz.pdfIn PDF document text
- http://autoscuolepintozzi.it/userfiles/files/85910529278.pdfIn PDF document text
- http://www.gabrielamaciel.net/images/content/file/44440790776.pdfIn PDF document text
- http://docando.es/js/ckfinder/userfiles/files/78135650800.pdfIn PDF document text
- https://tootooair.com/FileData/ckfinder/files/20210906_4C3A1A71A924B5BF.pdfIn PDF document text
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606fd96f0986e---67545606699.pdfIn PDF document text
- http://inspiredindianfoundation.org/uploads/79475236879.pdfIn PDF document text
- http://lesmashclub.com/imgUpload/files/xazeba.pdfIn PDF document text
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/1607d5252f0a50---webejamepodika.pdfIn PDF document text
- http://sun-eko.eu/files/file/kokakagawezeb.pdfIn PDF document text
- http://www.leasebridge.com/CKUPimg/files/gagesatabokezutelagato.pdfIn PDF document text
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077c5f651762---88624126688.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=multiple+organ+dysfunction+syndrome+adalah+pdfPDF 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_off0000c224.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC224 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000da3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA3B | 11272 bytes |
SHA-256: 304d68588292cd660b9ef5f886b3ce332ae2b2ad823fdfc338bf3485cb8a6ac0 |
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font_02_sfnt_off0000f450.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF450 | 16228 bytes |
SHA-256: d503f1e21801cf9c55fd7d9ad6335f50bc35440ecd39a8ab960d60a1956bee38 |
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