MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file contains a large number of external links, many of which point to websites that appear to be compromised or disposable hosting. The ML classifier strongly indicated maliciousness, and the structure suggests a link farm designed to distribute traffic or host malicious content. No scripts were extracted, but the overall pattern is indicative of a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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 https://coretry.ru/uplcv?utm_term=spongebob+squarepants+employee+of+the+month+video+game
- http://fitviewer.biz/files/file/53599454145.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096ca0b93d33---48588801209.pdf
- https://chokysitohang.com/Uploads/userfiles/files/xefimuwesux.pdf
- http://parkhighclassof60.com/clients/871169/File/85926321336.pdf
- http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607097ea67d53---55830822892.pdf
- http://www.celso.org/download/zelupetexuvijovazemareme.pdf
- https://laser123.com/geektic/files/duvudasojofulebe.pdf
- http://www.dramayaramendes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16076136a70d6c---87409218823.pdf
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/daukntblrguaigcnlihabm9nc3/kuvufaregok.pdf
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160798725240c9---vuzunowosinimadebo.pdf
- http://dh-cell.com/ckfinder/userfiles/files/fipudovoluxe.pdf
- https://kopari.hu/files/file/topawalovokosekivawoxiz.pdf
- http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c0aef60eaa3---35621727733.pdf
- https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160812dcfc79d4---giruv.pdf
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/473cda8c323f97c75b4d19ce8296cde9/47062333298.pdf
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/16086505a60aef---refetazonexisalepoxonoxo.pdf
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608c1a4100f62---legab.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084ea57b5ba0---40321701610.pdf
- https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/1609bdcadbe2dd---libupipimediruj.pdf
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/16081aa179b998---80913127159.pdf
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/16081bf3e29048---73981215816.pdf
- https://auto-rujo.com/images-editor/file/68902245396.pdf
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a2f6754174---82357833498.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eb86.bin16321e143a9f2ff93f5f48e9524a289f8d85233e75f0764853af2d0105738338 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB86 | 11584 bytes |
font_01_sfnt_off00010627.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10627 | 16792 bytes |
font_02_sfnt_off00011e39.bin4920d0e86534ddb12eac619536e8c38412773078d5093b80698f36c87085b328 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E39 | 17364 bytes |
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