MALICIOUS
126
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. The PDF contains numerous embedded URLs, many of which point to suspicious domains and are structured as link farms, suggesting a phishing or malware distribution campaign. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically flags the use of disposable hosting and UTM parameters, reinforcing the malicious nature of the links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1613f501784ad3---sozovuv.pdf In PDF document text
- https://samsunyapi.com/userfiles/files/bezomopisozonolo.pdfIn PDF document text
- https://shiokuda2.com/contents/files/68165616939.pdfIn PDF document text
- https://www.pelicanfinancialnetwork.com/ckfinder/userfiles/files/61245372056.pdfIn PDF document text
- https://chiuman-hk.com/images/file/wiwureluzojatok.pdfIn PDF document text
- https://beautydiction.com/ckfinder/userfiles/files/filuxixerireduzuku.pdfIn PDF document text
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/161392f009523d---12693666548.pdfIn PDF document text
- http://jmlukanich.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/pojuzexi.pdfIn PDF document text
- http://enovosti.info/ckfinder/userfiles/files/dibodupag.pdfIn PDF document text
- http://german-ex.com/images/blog/file/52133209906.pdfIn PDF document text
- http://kingswaytyres.com/project/kingsway/uploads/file/74220922763.pdfIn PDF document text
- https://mb-classic-service.de/userfiles/file/37598810268.pdfIn PDF document text
- http://musicfriend.vn/public/default/ckeditor/files/zafelutojusirepazivaxem.pdfIn PDF document text
- http://zimmerei-possert.at/wusunipuso.pdfIn PDF document text
- http://ksiclub.org/projects/achievemore/admin/upload/fckImages/file/fetamodonusimiwamagekaliv.pdfIn PDF document text
- http://matsusushionline.com/uploads/files/25087281319.pdfIn PDF document text
- https://tennis94.fr/img/pics/files/suzezus.pdfIn PDF document text
- http://siripanyalamphun.com/user_img/files/72737680747.pdfIn PDF document text
- http://9y.bfage.com/upload/files/20210906014411.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=the+meaning+of+metabolismPDF link annotation
- http://cluster006.ovh.net/~greeters/namur/ckfinder/userfiles/files/64384990037.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_off0000ac37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAC37 | 10664 bytes |
SHA-256: 9226b4a35c0a407799dc0983f3e74fa70c7adca97d7092ff20bed4c64f431a76 |
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font_01_sfnt_off0000c46f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC46F | 15504 bytes |
SHA-256: 003371c1d857c2b7985652297859e8ca08859bf1c2ebc326cec766e74da8504a |
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font_02_sfnt_off0000ebb3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBB3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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