MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to various external PDF files hosted on compromised WordPress sites and disposable hosting. The presence of a 'download button' heuristic further suggests a lure to trick users into downloading potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 7
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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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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 https://infrive.ru/uplcv?utm_term=coolie+no+1+full+hd+movie+download PDF link annotation
- https://shevian.com/images/file/fujadodajufo.pdfIn PDF document text
- https://iringmalaysia.com/ckfinder/userfiles/files/61264907135.pdfIn PDF document text
- https://phr4u.com/files/nemesinopanaraxuzimigoke.pdfIn PDF document text
- https://www.gullyracing.it/admin/ckfinder/userfiles/files/teruwafobosobe.pdfIn PDF document text
- http://levne-pohary.cz/UserFiles/File/ragegikiwix.pdfIn PDF document text
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613b7d7069a15---fibodunifufidasi.pdfIn PDF document text
- http://hieuchuan.com/upload/files/wudofom.pdfIn PDF document text
- http://imoroz.by/upload/file/tijatilusedifosemiroriju.pdfIn PDF document text
- https://actsonics.com/uploads/files/202109100527274034.pdfIn PDF document text
- http://profitoolinfo.ru/ckfinder/userfiles/files/47471578253.pdfIn PDF document text
- https://www.bocamvigliesrooms.com/wp-content/plugins/super-forms/uploads/php/files/aaf40b06a31c2b05f570bd7e90193865/vemazis.pdfIn PDF document text
- http://mariancozma.com/_user/file/kemulipunujaxupuwitaluf.pdfIn PDF document text
- https://alate.org/admin/fckeditor/editorfile/89382558803.pdfIn PDF document text
- https://www.channeloflove.com/ckfinder/userfiles/files/40522562440.pdfIn PDF document text
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16138a60355956---58962077205.pdfIn PDF document text
- http://kiapelhrimov.cz/UserFiles/File/sezikelaka.pdfIn PDF document text
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161329053acf45---22171957436.pdfIn PDF document text
- http://qlinairnv.be/userfiles/file/pupomipibukoxaduzeser.pdfIn PDF document text
- http://jewelry-shopping-city.com/uploads/files/202109100633233462.pdfIn PDF document text
- http://graviroz.hu/ckfinder/userfiles/files/wegedajujol.pdfIn PDF document text
- https://ww150001.linebot.net/upfile/files/20210912175009.pdfIn PDF document text
- http://pk.mo/userfiles/file/81976680799.pdfIn PDF document text
- https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/2695c712fed8d3c54c3fa4b72563cb7a/70268182354.pdfIn PDF document text
- http://phanphoiongnhuahoasen.vn/upload/files/rubemezalurowinibe.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_off0000e515.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE515 | 17468 bytes |
SHA-256: 88a7cb097dbef64578ce890aff862640058b7bc8e4468c5743c407fb339e046a |
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font_01_sfnt_off0001124e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1124E | 10588 bytes |
SHA-256: ff757eb0a8402ef06619a7205ec92ea2b52a2c5750546f10b29571084c976a73 |
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font_02_sfnt_off00012a5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A5C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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