MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
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 and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://oniceh.ru/uplcv?utm_term=hacked+2020+movie+full+download PDF link annotation
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075e2b78bf6f---jemexevagawikuvageroxuv.pdfIn PDF document text
- https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/75b514d117c4b22f07db0582fdb39b3b/jezanabugegetikono.pdfIn PDF document text
- https://www.adilaltinsoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607740dc45168---79063292836.pdfIn PDF document text
- https://www.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/egdodc59q7hmm9rii7u5f9acq1/64240707987.pdfIn PDF document text
- http://winhazel.com/indigo/ckfinder/userfiles/files/82547383645.pdfIn PDF document text
- https://flying-vikings.net/UserFiles/file/xajari.pdfIn PDF document text
- https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/98c37c4d58de39a7d556d7986e4d4a98/18007316868.pdfIn PDF document text
- http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160847e704e676---vogitimasimoxotibebixene.pdfIn PDF document text
- http://andlupa.com/userfiles/file/beluzazejawo.pdfIn PDF document text
- https://menokatea.com/ckfinder/userfiles/files/wilel.pdfIn PDF document text
- http://fusen-es.info/yamituki-n/uploads/files/93585571338.pdfIn PDF document text
- https://hoakhanh.vn/uploads/image/files/81090000504.pdfIn PDF document text
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606d16be6185f---40715686014.pdfIn PDF document text
- https://amerismithenterprises.com/wp-content/plugins/super-forms/uploads/php/files/162e6d278080f05120d240b4b66b50ee/95485898322.pdfIn PDF document text
- http://mwflower.com/upimagesfile///samuxerunuzalubiv.pdfIn PDF document text
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/p46ihaefcb3gccafa9o1u4r0fs/72303270908.pdfIn PDF document text
- https://fedico.ca/upload/editor/file/jowibefukoke.pdfIn PDF document text
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074641fcfe28---zuvijib.pdfIn PDF document text
- https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/aa6340b82f50250c670354024a9435b8/53161053373.pdfIn PDF document text
- http://baracenter.be/userfiles/file/80103470599.pdfIn PDF document text
- https://odlingfamily.com/userfiles/file/dunujer.pdfIn PDF document text
- https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/f3777b50d6ac3b756adf8177859efb20/todusudumimatujazusafe.pdfIn PDF document text
- http://chromavials.com/d/files/bewomirebumowupa.pdfIn PDF document text
- http://texasstatealphaxialumnae.com/clients/f/fe/fe72632f573fdc77cca6b85875c63e8a/File/9970506831.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_off0000d461.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD461 | 10848 bytes |
SHA-256: 47b6e2c40a2b45836517667859a72a3d54e72ee5f2de267f269466a4541b0f29 |
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font_01_sfnt_off0000ed71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED71 | 17600 bytes |
SHA-256: 73adabb3312bb373ab8624dd3edb04b6adba4e4e963d5ef9fe9f361aae474ff6 |
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font_02_sfnt_off00011b13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B13 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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