MALICIOUS
172
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories, presents a deceptive download button and contains embedded JavaScript. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 8
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://www.alrafeef.com/faisaliya/js/ckfinder/userfiles/files/78259823070.pdf In PDF document text
- http://maynenkhipuma.vn/quangbasanpham/app/webroot/upload/image/files/41417719366.pdfIn PDF document text
- http://greatnice.club/updatefiles/file/gibodijejisap.pdfIn PDF document text
- https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/pernfm3hn6vd9puhqpjckqoquh/felorosakusub.pdfIn PDF document text
- https://canadianrelocation.net/wp-content/plugins/formcraft/file-upload/server/content/files/160788104d4055---63268132226.pdfIn PDF document text
- http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/1609418b8ef669---bebalapilelafijovotasex.pdfIn PDF document text
- https://webmenuplus.com/images/file/vijirekupupijulebug.pdfIn PDF document text
- https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/50530566fd8fa314a19f0420a32df3da/mojadipoxeti.pdfIn PDF document text
- https://upbfassadenbau.com/upload/file/27237510009.pdfIn PDF document text
- http://www.lasallelille.com/admin/ckfinder/userfiles/files/8365737362.pdfIn PDF document text
- http://ingfrimale.com/userfiles/files/nevawufetisuxet.pdfIn PDF document text
- http://thibangoto.com/app/webroot/uploads/files/81431656201.pdfIn PDF document text
- http://www.kyousei-fukushi.or.jp/system/ckfinder/userfiles/files/88842976333.pdfIn PDF document text
- http://tz5168.com/uploadfile/image/2021/05/25/file/20210525_013620_104.pdfIn PDF document text
- http://belloverde.net/emailer/file/zotubuxuzev.pdfIn PDF document text
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/uv7or6fhrp1amvofdjf0ca786e/55623555319.pdfIn PDF document text
- http://ahs1968.com/clients/d/dc/dcea35c349c70fb55dca458fc6558ff6/File/resixiberizozep.pdfIn PDF document text
- http://edu-family72.ru/content/images/uploads/file/xunatusotaduzuza.pdfIn PDF document text
- http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16088bf6ea343b---61412578456.pdfIn PDF document text
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e5c7567b97---lovosesedi.pdfIn PDF document text
- http://camberwelltaxi.com/survey/userfiles/files/18645609875.pdfIn PDF document text
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c5fc28810c8---39323476818.pdfIn PDF document text
- http://terwaarde.be/ckfinder/userfiles/files/16524771958.pdfIn PDF document text
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e7b4922fc8---13962086299.pdfIn PDF document text
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a46e37763e6---10076669885.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=neufert+edition+pdf+free+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_off0000dda8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDA8 | 10488 bytes |
SHA-256: 110fc40f6a1a661dbff7e77f67e18e253c34a9ec8fcaf12f558f549b195a1dab |
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font_01_sfnt_off0000f5a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5A6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010db8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DB8 | 17048 bytes |
SHA-256: 51c685ff712e3e234b7bbf0c27c5269e41c45cb9420d29ed812670a4a4635f8a |
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