MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious. It contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload directories, indicating a link farm or phishing lure. The document body is heavily obfuscated and unreadable, suggesting an attempt to hide its true purpose.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://comitatoamiantovelodromo.org/userfiles/file/supurofuzuxejije.pdf In PDF document text
- http://vetsnab32.ru/userfiles/file/jexinetisuba.pdfIn PDF document text
- https://valubil.com/public/uploads/cms_file/cms_files/mopodikekapugagosuwidaje.pdfIn PDF document text
- http://studiolaviano.it/userfiles/files/tajetefel.pdfIn PDF document text
- http://volkshilfe-ktn.at/images/content/files/11146874553.pdfIn PDF document text
- http://gamebonda.com/ckupload/files/kuparek.pdfIn PDF document text
- https://vnjhanoi.com/upload/files/supelef.pdfIn PDF document text
- https://highlander-inn.com/assets/userfiles/files/gerewifa.pdfIn PDF document text
- https://studioconcept-stand.com/fck_userfiles/file/58734215691.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132a7e692d71---36393772534.pdfIn PDF document text
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136697227489---44301478595.pdfIn PDF document text
- https://wsbe17hongkong.hk/_bin/ckfinder/userfiles/files/19241352321.pdfIn PDF document text
- http://manpukulivermore.com/uploads/files/41268991611.pdfIn PDF document text
- https://lawina-radom.pl/files/file/53782906493.pdfIn PDF document text
- http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1613acd29cfffc---27595964073.pdfIn PDF document text
- https://gallerylingard.com/uploads/file/46701887059.pdfIn PDF document text
- https://cantarefides.ro/admin/userfiles/file/limatena.pdfIn PDF document text
- https://bengalroys.com/ckfinder/userfiles/files/dutemexu.pdfIn PDF document text
- http://cu-hinothai.com/ckfinder/userfiles/files/7239984474.pdfIn PDF document text
- https://optimuselearningschool.aels.edu/learning/site/images/uploadfiles/49318907972.pdfIn PDF document text
- http://glamour-nsk.ru/ckfinder/userfiles/files/mejipinubewipabofu.pdfIn PDF document text
- https://xn--z4qq44i.tw/upload/actfiles/60384905376.pdfIn PDF document text
- http://hataylezzeti.com/resimler/files/68109210149.pdfIn PDF document text
- http://yangpupark.com/uploadfile/files/3980789746.pdfIn PDF document text
- https://goldgreiner.de/userfiles/file/vigopikofoxufugu.pdfIn PDF document text
- https://linhquan-group.com/upload/ck/files/sesil.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=root+android+dengan+kingrootPDF 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_off0000dc59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC59 | 18328 bytes |
SHA-256: ac489ef738f5822af68f81f17f00e9b7b2508fb5cab0c37bc043ad1a5a58776d |
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font_01_sfnt_off00010c0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C0B | 10344 bytes |
SHA-256: e4d50eeb7b0e85a465a05b39701068cdc2db38f05bf0b2d84c01125c639a4592 |
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font_02_sfnt_off00012356.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12356 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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