MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous embedded URLs, many of which point to compromised CMS uploads and disposable hosting, indicating a link farm designed for phishing or malware distribution. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or trojan delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://machulski.com/public/file/57850000192.pdf In PDF document text
- https://mmszke.hu/files/file/dagupigarivabepan.pdfIn PDF document text
- http://stagegator.scorchmark.com/stagegator/ckfinder/userfiles/files/gowokikebururipibuno.pdfIn PDF document text
- http://abacusnancy.com/userfiles/file/74400818219.pdfIn PDF document text
- https://afmiletisim.afmiletisimajansi.info/resimler/files/wuzib.pdfIn PDF document text
- http://fxlcd.com/upload/file/dogat.pdfIn PDF document text
- http://villapellegrino.it/userfiles/files/74811718663.pdfIn PDF document text
- http://hindustanadvancedsolution.com/t/tutorfirm/uploads/ck/files/woxorige.pdfIn PDF document text
- http://cserepakcio.hu/xdata/file/47060542623.pdfIn PDF document text
- https://betenrealestate.com/sites/default/files/file/78428543908.pdfIn PDF document text
- http://tpdw.pl/userfiles/file/78937426938.pdfIn PDF document text
- http://everestlodgelukla.com/userfiles/file/78402140286.pdfIn PDF document text
- http://namjapizza.com/app/webroot/files/9979359618.pdfIn PDF document text
- http://iphysiology.ru/upload/76545064603.pdfIn PDF document text
- http://tv-kitchen.ru/files/files/tubinuz.pdfIn PDF document text
- https://299-45.com/CKEdit/upload/files/76921327700.pdfIn PDF document text
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613dec589b6c9---jamefu.pdfIn PDF document text
- http://edituj.cz/res/file/vemabomaben.pdfIn PDF document text
- https://pushtypathshala.com/demo/aims/files/images/files/makulukezoxivum.pdfIn PDF document text
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613483b90484e---88268736284.pdfIn PDF document text
- http://cathugo.de/res/wysiwyg/file/20821046909.pdfIn PDF document text
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/geeh1lebuou6006j229oi1vo96/74027882332.pdfIn PDF document text
- http://shinies.ru/img/lib/file/jikew.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=two+dots+apk+downloadPDF 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_off0000e1f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1F5 | 18544 bytes |
SHA-256: 55f23f63bd1804d88166af053cffc53906d53a544d7c9a826149af5c502c024a |
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font_01_sfnt_off0001121e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1121E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012a35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A35 | 10200 bytes |
SHA-256: 909b20ac7e97489c10eb1c9aa85997d49137eede5a59abe845ab401649088fd5 |
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