MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing or trojan. It contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. The presence of these links suggests an attempt to lead users to malicious sites for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://theonejsc.com/userfiles/file/xilenumodivekaruwezowora.pdf In PDF document text
- https://baoholaodong24.baohohoanglong.com/userfiles/file/kipasuzem.pdfIn PDF document text
- http://antifftech.com/uploadfile/file///2021090921483982.pdfIn PDF document text
- https://publicbridge.pl/userfiles/file/xuvezefabuborodozawo.pdfIn PDF document text
- http://gadkowski.pl/repository/filemanager/file/salunabodadosumaxilabep.pdfIn PDF document text
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132707876594---xenameboroxapesinumebajaw.pdfIn PDF document text
- http://28777886.com/Lpf/UPFILE/userfiles/files/xotukoramar.pdfIn PDF document text
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c9f5903dd4---22626017148.pdfIn PDF document text
- http://medicalproduct.hu/images/files/nekozip.pdfIn PDF document text
- https://pmcp-avac.com/files/upload-ckfinder/files/gurevagoribe.pdfIn PDF document text
- http://heaig.org/editor/ckfinder/userfiles/files/34753449319.pdfIn PDF document text
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613e7b5176405---piwofoxapefobodekupokegiz.pdfIn PDF document text
- http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1613a7e608c5ca---madugiluwejaxuvubu.pdfIn PDF document text
- http://cmtl.in/uploads/userfiles/file/file/tibotujekexifesitilus.pdfIn PDF document text
- http://veszpremlizards.hu/_user/file/rotugorigawozem.pdfIn PDF document text
- http://vanprodukt.cz/UserFiles/File/tixumopux.pdfIn PDF document text
- http://ntep2008.com/UserFiles/File/10352161014.pdfIn PDF document text
- http://www.santamyoga.be/images/file/99080186567.pdfIn PDF document text
- https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/16141e1c23d17d---53208145480.pdfIn PDF document text
- https://beautifulhairstore.com/upload/files/betuxogimegerap.pdfIn PDF document text
- http://df-2.de/images/daten/file/suzexibovinewonurebezufe.pdfIn PDF document text
- http://ulv-fogger.es/d/files/15717598359.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=redmi+note+8+2021+bd+pricePDF 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_off0000e1a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1A4 | 10988 bytes |
SHA-256: e3efb2700b717ace659c53fa269ca1cebc94edd64102792ab7781830c03ab383 |
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font_01_sfnt_off0000faf1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAF1 | 18156 bytes |
SHA-256: e0295c4b372acbb3345c3aca2d676061f8e8d05722d76c37c5b8a6226cfb0dce |
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font_02_sfnt_off00012a72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A72 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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