MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links, many of which point to compromised WordPress upload directories or disposable hosting. The ML classifier strongly indicates maliciousness. The primary purpose appears to be acting as a link farm to redirect users to potentially malicious sites, fitting the pattern of a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16132da6b0fde7---76659900830.pdf In PDF document text
- https://saatyapi.com/upload/ckfinder/files/29573441699.pdfIn PDF document text
- http://box8websites.com/ckfinder/userfiles/files/54882184530.pdfIn PDF document text
- https://paysecure.ro/ckfinder/userfiles/files/47499504678.pdfIn PDF document text
- http://polyacer-ecp.com/userfiles/files/20210908_160535.pdfIn PDF document text
- https://haisanquangninh.org/data/dulieu/files/towovemafowuzanutusiwon.pdfIn PDF document text
- http://www.maderas-navarro.com/ckfinder/userfiles/files/daputizidej.pdfIn PDF document text
- http://thomas-zigon.de/images/file/jofoxenolonovud.pdfIn PDF document text
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/3ldgbpioiumvqhdn57t69vuprp/taduridivivipojidofajipo.pdfIn PDF document text
- https://glearningsolutions.com/userfiles/files/xixaj.pdfIn PDF document text
- http://abwfinlay.com/uploads/files/65320237397.pdfIn PDF document text
- http://3dsami.org/uploadfilefiles/gapemoj.pdfIn PDF document text
- http://pegasomeeting.medcoast.net/ckfinder/userfiles/files/60138814479.pdfIn PDF document text
- https://stabiactiv.com/userfiles/file/borogeko.pdfIn PDF document text
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613b9b53b19b3---sugajiganitofipuguninewo.pdfIn PDF document text
- http://potlista.com/file/files/3253228566.pdfIn PDF document text
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139be37ce2fe---sitipuwekuluwusoza.pdfIn PDF document text
- http://sziszolg.hu/editor_up/46276006683.pdfIn PDF document text
- http://sasnowosielski.com/ckfinder/userfiles/files/xugamuv.pdfIn PDF document text
- https://camgloberealtor.com/userfiles/file/34029562544.pdfIn PDF document text
- http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161447800065aa---gedifexuvinugedimar.pdfIn PDF document text
- http://lohoithaiduong.com/uploads/files/56124597320.pdfIn PDF document text
- http://gusanhightec.com/userData/board/file/9283210436.pdfIn PDF document text
- https://serrechevalier-skifun.com/imagesfile/67875734458.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=litany+of+the+blessed+virgin+mary+in+latin+and+englishPDF 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_off000102f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102F8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011b0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B0F | 11080 bytes |
SHA-256: 03ad4cea891843d108974b57ce5daa16c0ce0de48af2b360514b2d917af3046e |
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font_02_sfnt_off00013479.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13479 | 20856 bytes |
SHA-256: 4f589c850599d551997156ef85961a9765eb61878c8addeff3758685029f810b |
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