MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting it functions as a link farm to distribute malicious content or phish users. The presence of embedded URLs and the nature of the heuristics indicate a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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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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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://oniceh.ru/uplcv?utm_term=wind+and+solar+power+systems+design+analysis+and+operation+pdf PDF link annotation
- http://ore-processing.ru/d/files/74997788754.pdfIn PDF document text
- http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c73fc167b3d---4256128822.pdfIn PDF document text
- https://hinodanang.com/uploads/image/files/nonurikirena.pdfIn PDF document text
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b20141234ba---7208996137.pdfIn PDF document text
- http://autoshiftbid.com/fckeditor/userfiles/file/80944138421.pdfIn PDF document text
- http://closehorses.com/userfiles/file/nalexitu.pdfIn PDF document text
- https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/84447590377c3c4c41ee728ea8aeed71/narebevoxodijelalerirazer.pdfIn PDF document text
- http://evolutionchonburi.com/userfiles/files/zusameduranutet.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/d6e53a694639c9b96f60b0db74c105d8/91761778097.pdfIn PDF document text
- https://readandenjoy.ae/userfiles/files/lepawumegidaruwigubij.pdfIn PDF document text
- http://decom.pro/admin/ckfinder/userfiles/files/35981507399.pdfIn PDF document text
- https://aspirans.com/files/file/87572388298.pdfIn PDF document text
- http://eotp.info/sites/default/files/fck/file/bajefukozidedotikina.pdfIn PDF document text
- http://zonazero.es/userfiles/file/92654890394.pdfIn PDF document text
- http://yummyschool.com/_UploadFile/Images/file/xemusunowividexoporete.pdfIn PDF document text
- https://mobistore.co.nz/wp-content/plugins/super-forms/uploads/php/files/2662d51b6ce003d4daff620d24f53e47/ruzojuvela.pdfIn PDF document text
- https://yourlightingbrand.com/wp-content/plugins/super-forms/uploads/php/files/a9918d0f430a7a84c20859583660f5bf/27381305952.pdfIn PDF document text
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/b2300ad576960f52a5ccdadca1146773/buwarirebitewebopogo.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/hmfkkuvm9a2inumpq7dbrm29g6/jemelefoxalilodof.pdfIn PDF document text
- http://zkojicin.cz/userfiles/file/sutuf.pdfIn PDF document text
- http://niszczeniewaw.pl/userfiles/file/gogoriwofapozuxi.pdfIn PDF document text
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/53cb288c45ccf4418722272940247595/satojojibukapefofibe.pdfIn PDF document text
- http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acff768d3cb---825881365.pdfIn PDF document text
- 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_off0000e346.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE346 | 11032 bytes |
SHA-256: 3ed17546b178494c8f47eaa5b64d2a5e278a8943052a6984fd46a64aaf547bb2 |
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font_01_sfnt_off0000fcc7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCC7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000114d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114D9 | 17112 bytes |
SHA-256: 9ecbc2bc658c300591117b259f840b0e553a5b7ab35c63964fb06248e93a9dd1 |
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