MALICIOUS
126
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, specifically as a phishing trojan. The presence of a link farm on disposable hosting, with numerous distinct hosts and UTM parameters, strongly suggests a phishing or malware distribution attempt. The document body is heavily obfuscated and unreadable, providing no direct content clues, but the heuristics and URLs point to a malicious intent to redirect users to download further content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 5
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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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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://zhengfutz.com/v15/Upload/file/20219122148489145.pdf In PDF document text
- http://fsoa.cn/userfiles/file/72534396408.pdfIn PDF document text
- http://tecniagua.es/uploads/ckfinder/files/50525645672.pdfIn PDF document text
- https://calmoinc.com/upload/editor/file/mojowaxus.pdfIn PDF document text
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/1612f95774f340---80091297025.pdfIn PDF document text
- https://softwebstar.com/shop/userfiles/file/saxetejosejedetabi.pdfIn PDF document text
- https://beautifulhairstore.com/upload/files/39863220258.pdfIn PDF document text
- http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/42932620056.pdfIn PDF document text
- https://dyaa.club/uploads/file/18096156058.pdfIn PDF document text
- https://egyiksem.hu/uploads/file/27602349902.pdfIn PDF document text
- http://vdi.vn/userfiles/file/53875045359.pdfIn PDF document text
- http://envisystem.com/upload/userfile/files/51692963052.pdfIn PDF document text
- http://tdbakademi.org/userfiles/files/32037248892.pdfIn PDF document text
- http://citygclub.com/ckupload/files/pomowuwikavizonewa.pdfIn PDF document text
- http://tecsun-moscow.ru/docs/file/29420938980.pdfIn PDF document text
- https://traiteur-troyes-mariage-buffet-aube-10.blaisot-traiteur.fr/ckfinder/userfiles/files/dulol.pdfIn PDF document text
- https://www.nstoplana.rs/ckfinder/userfiles/files/duvojegubajenodefonabi.pdfIn PDF document text
- http://erodiertechnik-wenzel.de/userfiles/file/vufawodarijawu.pdfIn PDF document text
- https://derechosenred.org/aym_image/files/10698386732.pdfIn PDF document text
- http://seanbittinger.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/52004531743.pdfIn PDF document text
- http://boek.se/bilder_umeny/File/xexil.pdfIn PDF document text
- https://lecachet.fr/docs/files/kuvimovejexozojezuwepa.pdfIn PDF document text
- http://villaroyalenews.com/userimages/61830312768.pdfIn PDF document text
- https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/043a99eb6cd8961522fbda67e3ce76c2/juvipif.pdfIn PDF document text
- http://www.contal-farmer.com/uploads/files/70404507709.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=offroad+outlaws+apkPDF 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_off0000bcb9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCB9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d4cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4CB | 15700 bytes |
SHA-256: aafb80197fcae954ea5b4628c874234b94989ec9fd9deef64450f5ffbc9c544f |
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font_02_sfnt_off0000fd0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD0B | 10464 bytes |
SHA-256: 2b931dc717796e8dd436d1a2b1d6b579972136a78c0f16a29875fdfbb50e2951 |
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