MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload directories, indicating a link farm designed to manipulate search engine rankings or redirect users to malicious sites. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious intent. No scripts were extracted, and the document body was unreadable, limiting further analysis of specific payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
Heuristics 5
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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 https://allytemp.ru/uplcv?utm_term=iphone+5s+price+in+pakistan+second+hand PDF link annotation
- http://ducthanggroup.com/webroot/img/files/20413559665.pdfIn PDF document text
- http://www.binghan.my/userfiles/file/3955826748.pdfIn PDF document text
- http://xn----dtbhwhggdaoqfh3d.xn--p1ai/media/file/vipimarunabo.pdfIn PDF document text
- http://abwmechanicsville.com/uploads/files/12664090631.pdfIn PDF document text
- http://star-transform-moscow.ru/uimg/files/vuwumitezo.pdfIn PDF document text
- http://chikatere.com/Upload/files/jamopojiruketowadijabix.pdfIn PDF document text
- http://codienlanhtrangia.com/Images_upload/files/62869882317.pdfIn PDF document text
- http://tokyo-sanritsu.com/userfiles/file/16556881540.pdfIn PDF document text
- http://giovanniseneca.eu/userfiles/files/nabiravedira.pdfIn PDF document text
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d39386e03b---616591864.pdfIn PDF document text
- http://avstralianature.ru/ckfinder/userfiles/files/46528286447.pdfIn PDF document text
- http://sswjeans.com/files/tavujiduwifigob.pdfIn PDF document text
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161433eeb6ed46---tebisurekezujis.pdfIn PDF document text
- https://singlespeed-switzerland.ch/userfiles/files/40521060896.pdfIn PDF document text
- http://jyjwqj.com/uploadfile/file///2021091117144489.pdfIn PDF document text
- https://responsible-tourism-alliance.com/content_file/files/xedufuzutolugizaxe.pdfIn PDF document text
- http://salon-urody-bellis.pl/images/file/58001702945.pdfIn PDF document text
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613b91446c32b---95910997586.pdfIn PDF document text
- http://nwatchonline.com/userfiles/file/mugigepesetenevazetekowex.pdfIn PDF document text
- https://soi.icami.mx/ckfinder/userfiles/files/luxifitolawo.pdfIn PDF document text
- http://rlangkhan.com/upload/userfiles/files/xufurizofotikosajo.pdfIn PDF document text
- https://daqing-jewelry.com/uploads/files/202109161159513861.pdfIn PDF document text
- http://timecraftz.com/userfiles/file/88678727200.pdfIn PDF document text
- http://xn--ob0bjxt9h99icicrvkksa421cwwp7hiv4d6a.com/ckfinder/userfiles/files/zekixunitilibekexabo.pdfIn PDF document text
- http://zvezda-rostov.ru/ckfinder/userfiles/files/75785591202.pdfIn PDF document text
- https://korovin.org/site/img_ufiles/7306110935.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_off0000da19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA19 | 19332 bytes |
SHA-256: 69d8b4fdbc236bd38932c3ab998da0848b7bbc1da9bcc419b76534e85bcca1c6 |
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font_01_sfnt_off00010c76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C76 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001248d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1248D | 10740 bytes |
SHA-256: 6b0e088c6eacb19c0717aaac901564425eb3abce02d12f8d559571b62d704ce9 |
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