MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs that point to other PDF files hosted on various websites, indicating a link farm designed to distribute malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware delivery. The heuristic 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' specifically points to compromised WordPress sites being used to host these secondary payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
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 http://travelshops.pl/userfiles/file/sawulesowekakugebiw.pdf In PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/85f3cbb62a16207c7955b99f8652ed45/17100791685.pdfIn PDF document text
- http://geoman.cz/data/file/38696640196.pdfIn PDF document text
- https://kaparatt.com/images/File/logiwarot.pdfIn PDF document text
- http://www.itidharamshala.in/images/uploads/files/32789205637.pdfIn PDF document text
- https://sakesushimn.com/userfiles/files/karagisogokusof.pdfIn PDF document text
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a925f10a85---10559396637.pdfIn PDF document text
- http://www.mousumibanerjee.com/fckimages/file/89698715172.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/4df32db2efb7d4b9b54831f2d400cff7/12277167711.pdfIn PDF document text
- https://apra.pl/files/file/7580887006.pdfIn PDF document text
- https://jeevadhara.org/work/london/userfiles/file/widisezunijoraxejod.pdfIn PDF document text
- http://bsa-billiard.by/images_from_html_editor/file/8706293592.pdfIn PDF document text
- http://exim5.hu/_user/file/bikomitalararupibem.pdfIn PDF document text
- https://optimumquestsolutions.com/ckfinder/userfiles/files/dorebetowoduwituzojufakaw.pdfIn PDF document text
- https://euronet.stonavka.cz/webpagebuilder/ckfinder/userfiles/files/8242196165.pdfIn PDF document text
- http://0851gay.org/userfiles/202109file/2021091222161470554.pdfIn PDF document text
- https://reformedgeneration.com/userfiles/file/loxonosep.pdfIn PDF document text
- http://lltsg.com/uploadfile/file///2021090714490735.pdfIn PDF document text
- http://quatanggiabao.com/images/uploads/files/widowonemeribelamomoti.pdfIn PDF document text
- http://vaness-sens.fr/ckfinder/userfiles/files/87513729742.pdfIn PDF document text
- https://amatnieks.com/pictures/image/9098559136.pdfIn PDF document text
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/bd5c926f1e09bbe6ff5dc5fce06a00d7/wimakizibil.pdfIn PDF document text
- https://ever-progress.com/upload/files/78258662010.pdfIn PDF document text
- https://trouver-une-ssii.com/img/pics/files/nevipugigoz.pdfIn PDF document text
- http://geopraxis.it/userfiles/files/pawelaxewomezare.pdfIn PDF document text
- http://taociren.com/upload/file/210909192126044293rikt5gy6mvi5.pdfIn PDF document text
- http://gyogytornasziget.hu/uploads/files/44526848501.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=ninja+turtles+legends+unlimited+moneyPDF 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_off0000cc62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC62 | 10912 bytes |
SHA-256: 773130031a8eb97d4f004f8086d1381af5955069a9c8487b376f9f33da55af0f |
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font_01_sfnt_off0000e56a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE56A | 20984 bytes |
SHA-256: 0a2ed8fce9f9e68e8be287508808f41aeb9bd0e7f3af1372fb4fcfcd3ede9c71 |
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font_02_sfnt_off00011c25.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C25 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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