MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by a machine learning model and ClamAV as malicious, with heuristics indicating it functions as a link farm on disposable hosting. While no scripts were extracted, the presence of numerous embedded URLs, many pointing to PDF files on various domains, suggests a phishing or malware distribution attempt. The `PDF_SEO_DISPOSABLE_LINK_FARM` heuristic strongly supports the conclusion that this document is designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 5
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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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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://driscollandgibson.com/images/edit_images/file/jizibizewida.pdf In PDF document text
- http://marymo.ru/uploads/files/54065517069.pdfIn PDF document text
- http://labsshop.com/d/files/xotulusiri.pdfIn PDF document text
- http://appartementslisa.it/an3_Uploads/file/gegubarabajamutalitib.pdfIn PDF document text
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/161327307b06b9---xolobaralixolakowusafi.pdfIn PDF document text
- https://emotionalgift.youngzonejewelry.com/ckfinder/userfiles/files/tujogevusikuwiwijafad.pdfIn PDF document text
- https://harom.ro/files/file/rukatunevumotuluten.pdfIn PDF document text
- http://dbexpertise.fr/catalogue_dynamique/file/58332480121.pdfIn PDF document text
- http://dobrasekacka.cz/userfiles/file/9802586727.pdfIn PDF document text
- https://vroa.pl/chplusfiles/file/lenineditalaniwega.pdfIn PDF document text
- http://yasairamenbar.com/uploads/files/newigefiwinirage.pdfIn PDF document text
- http://artc-polymers.com/upload/images/files/pusowufewetofog.pdfIn PDF document text
- http://www.cavice.fi/tiedostot/files/19463233571.pdfIn PDF document text
- http://d2dgroup.net/upload/files/gosowipelikogebo.pdfIn PDF document text
- http://tuanayapim.com/rsm/files/duzib.pdfIn PDF document text
- http://gzcaifeilai.com/ckfinder/userfiles/files/202109161001407017.pdfIn PDF document text
- https://weborder.cloud/userfiles/file///gimuwi.pdfIn PDF document text
- http://hykylalumni.org/userfiles/fogonotarapaxujegiduku.pdfIn PDF document text
- http://clubsahdianagalati.ro/upload/editor/file/95546917832.pdfIn PDF document text
- http://aweibel.com/Photo/file/misil.pdfIn PDF document text
- http://siciny.eu/userfiles/file/53441663095.pdfIn PDF document text
- http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613180fbd92a3---dewowes.pdfIn PDF document text
- http://lamgi.pl/ckfinder/userfiles/files/6492212034.pdfIn PDF document text
- http://sskj.pl/userfiles/file/62042437585.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=install+ubuntu+side+by+side+windows+10PDF 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_off0000d609.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD609 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ee20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE20 | 10708 bytes |
SHA-256: ab2bb6343c61283786f2e7e19cccf0707cda549d1c5d1dab7d55b1eb2a87e9c8 |
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font_02_sfnt_off000106e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106E6 | 18152 bytes |
SHA-256: 093337a2911c3e7fd5b35aba8f193e13a5d327e3039ba869794d520c091bc169 |
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