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 pointing to external PDF files hosted on a variety of domains, many of which appear to be part of a link farm. The 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic further supports this, suggesting the PDF is designed to distribute links to other potentially malicious or low-reputation content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://tienhasteel.com/app/webroot/upload/files/53900121300.pdf In PDF document text
- http://bdpq.hungminhits.com/files/uploaded/files/selotej.pdfIn PDF document text
- http://www.moyekolodin.com/files/vufifu.pdfIn PDF document text
- http://bora.su/ckfinder/userfiles/files/77452312101.pdfIn PDF document text
- https://www.vasutaszeneiskola.hu/ckfinder/userfiles/files/gajuzafojobuxoxojujodiki.pdfIn PDF document text
- http://fundacionecla.org/resources/original/file/xawelero.pdfIn PDF document text
- http://biurod9.pl/public/userfiles/file/55122035897.pdfIn PDF document text
- https://portofcrotone.com/dati/upload/file/98398838845.pdfIn PDF document text
- http://bobmeetin.com/media/galleries/files/44546641527.pdfIn PDF document text
- http://romento.com/uploaded_files/userfiles/files/25344822135.pdfIn PDF document text
- http://kprmk.pl/userfiles/file/besemegesadolobisotepu.pdfIn PDF document text
- http://www.binghan.my/userfiles/file/tekidonexetirovajesoloro.pdfIn PDF document text
- http://salamino.pl/userfiles/file/nisuden.pdfIn PDF document text
- https://www.auto-ecole-acm.com/ckfinder/userfiles/files/77603884209.pdfIn PDF document text
- https://ww150003.linebot.net/upfile/files/20210908110739.pdfIn PDF document text
- http://www.cenlaenvironmental.com/siteuploads/editorimg/file/gawojisunifo.pdfIn PDF document text
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e6389b6d7a---93380357963.pdfIn PDF document text
- https://jecoexports.com/ckfinder/userfiles/files/19609148188.pdfIn PDF document text
- http://ediliziaunoaventi.com/userfiles/files/zimolakovuvanimudubuditof.pdfIn PDF document text
- https://sapsda.com/SapmaUserfiles/file/77955347101.pdfIn PDF document text
- http://bartuceviri.com/userfiles/file/51623608724.pdfIn PDF document text
- https://ecableapp.com/FCKeditor/FCKimgUpload/file/bedijuwobinetuvezolaj.pdfIn PDF document text
- http://www.liveartsaskatchewan.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f97ba56494---96793100861.pdfIn PDF document text
- http://ricettebiagi.it/uploads/assets/file/45216490873.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=organic+chem+lab+survival+manual+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_off0000b2c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2C1 | 11180 bytes |
SHA-256: e709f85bc4c93d657cca6a20534dc7c5c0e4aa203924227060e891c07d2f610a |
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font_01_sfnt_off0000cc55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC55 | 19304 bytes |
SHA-256: 275772e5fca0622c621cfe511ccff9734bdce57a10f3689bb69afc78a0fb69d9 |
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font_02_sfnt_off0000fea1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEA1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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