MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, containing numerous URLs pointing to potentially compromised websites or disposable hosting. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this, suggesting an attempt to distribute malicious content or phish users through a network of seemingly unrelated sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://donahoelawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/41944480269.pdf In PDF document text
- http://gianphoiduyloimodel.com/Images_upload/files/loninitami.pdfIn PDF document text
- https://mamadona.ru/ckfinder/userfiles/files/69703436444.pdfIn PDF document text
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134f0209fdcf---kulajuxedefibirino.pdfIn PDF document text
- https://kaimano.it/file/36346651676.pdfIn PDF document text
- http://nhatrangpalacehotel.com/app/webroot/upload/files/52209628586.pdfIn PDF document text
- https://wroclawmodelshow.pl/ckfinder/userfiles/files/fegerekaxowikanib.pdfIn PDF document text
- http://5lovestartw.com/CKEdit/upload/files/23536474120.pdfIn PDF document text
- http://pijntherapie.be/uploads/files/zonuxe.pdfIn PDF document text
- http://jts-electrical.co.uk/ckfinder/userfiles/files/84961867995.pdfIn PDF document text
- http://talcmanagement.com/uploaded_files/userfiles/files/sigobegiwujalasalabila.pdfIn PDF document text
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/161387b902b67a---32682385955.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/d700948f9095c8d1eedd82e12fb0f648/bafat.pdfIn PDF document text
- https://www.abrasco.org.br/ckfinder/userfiles/files/fefakewu.pdfIn PDF document text
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136ad7501490---nubatakujajesumeg.pdfIn PDF document text
- http://mail.me.ntou.edu.tw/ckfinder/userfiles/files/20210901_222551.pdfIn PDF document text
- https://watfordfairtrade.org/app/webroot/img/files/remazoferur.pdfIn PDF document text
- https://zakarpattya-tour.com/upload/93959915459.pdfIn PDF document text
- http://adasbruiloften.nl/userfiles/file/bitesivulaxezakuxoj.pdfIn PDF document text
- http://riskhedgetech.com/uploaded/file/177663535561394ca24513a.pdfIn PDF document text
- http://ehomerealestate.org/images/file/nanirufowenewokaji.pdfIn PDF document text
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1613b093830a7e---11703358112.pdfIn PDF document text
- http://www.recko.ru/ckfinder/userfiles/files/wopomexubafuzel.pdfIn PDF document text
- http://www.impactit.in/ckfinder/userfiles/files/fesovavigijifijopitenetu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=which+color+mix+to+make+purplePDF 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_off0000dd81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD81 | 17024 bytes |
SHA-256: 809d70d4f40b773df3993263755603bebfa3dad82ff24a9463ecfe57235571b2 |
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font_01_sfnt_off000109c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109C8 | 10652 bytes |
SHA-256: 7a0910fe14ea4f0fadf7264a94f93b346c879ef655c865f45acc6a941ca69eee |
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font_02_sfnt_off0001222d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1222D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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