MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised websites or disposable hosting, suggesting a link farm used for phishing or malware distribution. The PDF structure and embedded links are indicative of a spearphishing attachment designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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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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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://aitrans.cn/UploadFile/file/F1202106070023434197.pdf In PDF document text
- http://churchtextile.com/userfiles/file/lovato.pdfIn PDF document text
- https://aterhesseg.com/up_image/file/65698976402.pdfIn PDF document text
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/1608123a2517c8---79633553151.pdfIn PDF document text
- https://bucatariizidite.ro/printuri-fi/files/dufuzaliperuk.pdfIn PDF document text
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/26c7d89e944bc66aed7675826592b9f2/jekegibakexonunuxin.pdfIn PDF document text
- http://hocikto.info/userfiles/file/10683214456.pdfIn PDF document text
- http://cbgnfinance.com/userfiles/file/19555734713.pdfIn PDF document text
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ee47c663612---5804823826.pdfIn PDF document text
- https://mmgrowersg.com/ckfinder/userfiles/files/gasapuvakebakufezojada.pdfIn PDF document text
- http://osmed.cz/app/webroot/files/files/derokogegulig.pdfIn PDF document text
- https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/4dc9b216aba3360cf8acef3ac1898136/23675298031.pdfIn PDF document text
- https://www.artikel238.nl/emmwebbit/resources/ckfinder/userfiles/files/lopewuvemanosedenixe.pdfIn PDF document text
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b724fee7c72---62406250410.pdfIn PDF document text
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161124b694ccbe---84386667772.pdfIn PDF document text
- http://thegioidahoacuong.com/uploads/image/files/vukedakuserofinexazetudas.pdfIn PDF document text
- http://ck-tct.ru/userfiles/file/joverususabefu.pdfIn PDF document text
- http://balassalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jivaruxobewap.pdfIn PDF document text
- http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/16090fc9dcdd8b---61787340170.pdfIn PDF document text
- https://angkalaris.com/contents//files/nakaluso.pdfIn PDF document text
- http://gsnursing.in/ckeditor/ckfinder/userfiles/files/11424445581.pdfIn PDF document text
- https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607f9c7d8d151---nejiselorozoripi.pdfIn PDF document text
- https://aordonez.com/images/contenidos/files/53034158311.pdfIn PDF document text
- https://polskieplytki.com/wp-content/plugins/super-forms/uploads/php/files/c2b61035f5d37c712cc9167c91f0f58c/22367950748.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=safety+devices+used+in+refrigeration+system+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_off0000df24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF24 | 18660 bytes |
SHA-256: 7ac0e5b95874358d7981954e3e2e795cea61f70fc25405b829331d8624167572 |
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font_01_sfnt_off00010f17.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F17 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001272e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1272E | 11272 bytes |
SHA-256: a850e63b9494e009bdd51b21a9139f28bd557c4ddaca3813c6d634bdf5ea216e |
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