MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document was flagged as malicious by 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 0.9968
Heuristics 6
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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://cructi.ru/uplcv?utm_term=spiderman+1+full+movie+in+tamil PDF link annotation
- https://undergroundtakeout.com/userfiles/file/pegowej.pdfIn PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/1612ec44e0dc6d---bulogeruru.pdfIn PDF document text
- http://vietsonplastic.com/uploads/userfiles/file/39263680263.pdfIn PDF document text
- https://vhcvietnam.vn/ckeditor/images/files/digawobuzegefe.pdfIn PDF document text
- http://hindustanadvancedsolution.com/t/tutorfirm/uploads/ck/files/14648563464.pdfIn PDF document text
- http://ontis.sk/editor_uploads/system/files/91329758482.pdfIn PDF document text
- https://wemservice.com/ckfinder/userfiles/files/31485963538.pdfIn PDF document text
- http://kemnhapkhau.com/upload/files/mokovuxixomedaxolux.pdfIn PDF document text
- http://aaaexpressheating.com/userfiles/file/88543867506.pdfIn PDF document text
- http://herium.net/FileData/ckfinder/files/20210907_014DB4A3E9FFF0F5.pdfIn PDF document text
- https://brukspec.pl/upload/file/22060393134.pdfIn PDF document text
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/a1c41ed5401d92f80e24b8cda68ec350/jiwup.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613414d056614---punefuwifilugifisated.pdfIn PDF document text
- http://koryosushi.com/uploads/files/naber.pdfIn PDF document text
- https://alpinashop.rudy-ra.com/files/67135765856.pdfIn PDF document text
- http://azco.friend-match.com/upload/files/lagewamuda.pdfIn PDF document text
- https://vmgeducationtrust.org/home/vmgedu/public_html/public/userfiles/file/wefoxiseto.pdfIn PDF document text
- http://sjhrz.com/images/upload/File/patasudemidanes.pdfIn PDF document text
- http://www.mamafoundation.cz/ckfinder/userfiles/files/65790025664.pdfIn PDF document text
- http://poorclarescork.ie/images/bovelirenuruzojevepusi.pdfIn PDF document text
- https://vinacoma3.vn/userfiles/file/kugizavuwevodo.pdfIn PDF document text
- https://planet-pvc.com/upload/files/zotavovugidivanak.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_off0000d0d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0D5 | 10784 bytes |
SHA-256: 0daf3fa33537a48af0f4957ed53ef83efaf2d95e30a8807c7cc2dfe932a22bb8 |
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font_01_sfnt_off0000e9b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9B3 | 18524 bytes |
SHA-256: c1e99126159ded74d3bafad6842ed84bd82f86d71b496cbc7cfc38855759a43c |
|||
font_02_sfnt_off00011a15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A15 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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