MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://valeneighbors.com/userimages/95817862775.pdf In PDF document text
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081849dac0d2---xasaxeliwiwupogukidi.pdfIn PDF document text
- http://aroma-es.red/yamituki-n/uploads/files/nalirodo.pdfIn PDF document text
- http://qianxi.cn/filespath/files/20210817041334.pdfIn PDF document text
- http://cwesp.biz/upload/file/jusifuxazip.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160a477989fb10---gefufobinuxefujeparev.pdfIn PDF document text
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bee585e3779---kifoxikusotasi.pdfIn PDF document text
- http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b42b796de28---16922511506.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16094b8920df0c---72005912270.pdfIn PDF document text
- http://tfh-filter.hu/_user/file/kegamek.pdfIn PDF document text
- http://aksaaydinlatma.com/img/editor/image/file/minuxonoweboru.pdfIn PDF document text
- http://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1608109067e925---86899839781.pdfIn PDF document text
- https://norservis.com/files/files/bikatidalusuxubafovoj.pdfIn PDF document text
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/3c95131f46dddb346a15a1ad0f40fc41/dazoxajibanupegeko.pdfIn PDF document text
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/c3603d7319dd8a20fe3328b1ce6387a2/dowokuruge.pdfIn PDF document text
- https://sanagustin.cl/files/lowafeko.pdfIn PDF document text
- https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/192cb0a9e2f9f9c6859f1c5c99d15fde/88670745994.pdfIn PDF document text
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609175d3f1ca9---sewuxeta.pdfIn PDF document text
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d6b60d8bf3c---tusebewodome.pdfIn PDF document text
- http://herium.net/FileData/ckfinder/files/20210805_F89CA7469D60B537.pdfIn PDF document text
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606f41175cc6a---gizuvojaw.pdfIn PDF document text
- http://girc.ncue.edu.tw/ckfinder/ckfiles/files/79178059131.pdfIn PDF document text
- http://qtjdb.com/UploadFile/2021/05/12/file/20210512_034815_188.pdfIn PDF document text
- https://residenciasanamaro.es/userfiles/files/ruduxasofogeninijorulago.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=photo+collage+maker+online+free+no+watermarkPDF 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_off0000cde1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDE1 | 17824 bytes |
SHA-256: 850382a06fb29bf86635f4253367f6c8c05948fdc11a86c55ca06f1dbbb96549 |
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font_01_sfnt_off0000fb8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB8A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000113a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113A1 | 10796 bytes |
SHA-256: 66eb5f36f281d6fbbd81ed9e29e212c61e3f430db79a4180147fd649022f2629 |
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