MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a ML classifier and ClamAV, indicating malicious content. It contains numerous external URIs and is described as a link farm hosted on disposable domains, suggesting a phishing or malware distribution attempt. The presence of embedded URLs and the overall structure point towards an attempt to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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 https://catamma.ru/uplcv?utm_term=gta+grand+theft+auto+vice+city+apk+download PDF link annotation
- https://heatingboiler.ca/fck_upload/file/7941106925.pdfIn PDF document text
- http://nuovartea.eu/userfiles/files/zafokamanugazo.pdfIn PDF document text
- http://kino-cosmik.ru/sadm_files/72169362793.pdfIn PDF document text
- http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/1613619802c2ed---venirojezuvubagobekinezik.pdfIn PDF document text
- http://lmnn.ru/userfiles/file/42418990909.pdfIn PDF document text
- http://michellenevinracing.com/FCKeditor/file/kekiv.pdfIn PDF document text
- https://aayams.com/userfiles/file/vukozejoraremev.pdfIn PDF document text
- http://xn--90aoa5aj.xn--p1ai/ckfinder/userfiles/files/53636013697.pdfIn PDF document text
- https://newsru.md/upload/userfiles/files/betijesetuvalutirota.pdfIn PDF document text
- https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/1613321c801008---38627361539.pdfIn PDF document text
- http://nessium.net/userfiles/file/97315527349.pdfIn PDF document text
- http://bbfrontedelmare.com/userfiles/files/10253408969.pdfIn PDF document text
- https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f7975868f2---44023368378.pdfIn PDF document text
- https://buonoantonio.it/userfiles/file/11586319892.pdfIn PDF document text
- http://daotaoyduoc.org/wp-content/plugins/super-forms/uploads/php/files/33f28700134f3f9e32da62604f88a868/lebogebifumabatewenig.pdfIn PDF document text
- https://leciv.fr/uploads/FCK_files/file/46757492042.pdfIn PDF document text
- https://quangcaowebsite.xemlaco.com/uploads/files/30217500959.pdfIn PDF document text
- https://kientrucqhouse.com/uploads/image/files/zanulebudupo.pdfIn PDF document text
- https://salvamontbihor.ro/app/webroot/files/userfiles/files/13031139669.pdfIn PDF document text
- http://iltorg.ru/upload/file/dozigoredumuguzenuf.pdfIn PDF document text
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/1613780b3af985---90089549498.pdfIn PDF document text
- http://mail-business.ru/uploads/file/gunetulufosemeju.pdfIn PDF document text
- https://vietnaminsight.biz/ckfinder/userfiles/files/mikorawovewaj.pdfIn PDF document text
- http://cheers-gifts.com/userfiles/76747603467.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_off0000c31e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC31E | 11228 bytes |
SHA-256: 4c76c34ab313589441e91a9014697aba577ca48e9c833a0045d5032b5481aec8 |
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font_01_sfnt_off0000dd40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD40 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f552.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF552 | 17104 bytes |
SHA-256: 5f9a31f5742bb59c057a4304dc9c0fda2cf8aeee13f2ee1ed772ec5c8680ada1 |
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