MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many pointing to domains that appear to be part of a link farm, with some hosted on compromised CMS uploads. The ML classifier strongly indicated maliciousness. While no scripts were extracted, the structure and URL distribution suggest a malicious intent, likely to manipulate search engine results or redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://sporteambiente.it/ckfinder/userfiles/files/84743545975.pdf In PDF document text
- http://www.iece.in/userfiles/file/paxamaka.pdfIn PDF document text
- http://artio.pl/files/files/68855463241.pdfIn PDF document text
- http://crmloccitanecr.com/campannas/file/wuminoduse.pdfIn PDF document text
- http://muabannhagiare.net/images/uploads/files/12026489589.pdfIn PDF document text
- http://thebankcardservice.com/uploads/files/jinuvozoxedifazitojut.pdfIn PDF document text
- https://mediaget.ru/userfiles/files/27083028964.pdfIn PDF document text
- https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/1614bc8619576b---jiziwigarugowatevonojel.pdfIn PDF document text
- http://finpacecuador.com/userfiles/file/27427010772.pdfIn PDF document text
- https://hyundainhapkhau.vn/upload/files/13351116221.pdfIn PDF document text
- https://mbp.hastatis.com/mbp/upload/images/images/upload/ckfinder/70259577805.pdfIn PDF document text
- https://futuresbuilder.net/dayafter/uploadimages/newsimages/file/taxidowibonexopefudidenut.pdfIn PDF document text
- http://bioident.pl/photos_fck/file/xufoza.pdfIn PDF document text
- https://idea-web.ro/app/webroot/files/userfiles/files/47874361632.pdfIn PDF document text
- http://profil-metall.de/content/uploads/file/mesorinisujara.pdfIn PDF document text
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/161507ee7da425---68995788.pdfIn PDF document text
- https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/397a42c3d517fc15339346cf33c771e1/83769457611.pdfIn PDF document text
- http://www.deewanalarab.com/up_imgs/buzemilidovisenan.pdfIn PDF document text
- http://yousefmaktabi.com/ckfinder/userfiles/files/75574179246.pdfIn PDF document text
- http://www.superior-inkjet.com/login/ckfinder/userfiles/files/36435074345.pdfIn PDF document text
- http://tverzhilservis.ru/foktver.ru/ckfinder/userfiles/files/juwilukolaludapuwigivom.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=what+can+you+do+with+cactus+in+minecraftPDF 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_off0000ace8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xACE8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c4ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4FF | 10988 bytes |
SHA-256: 9172cf2f655f37f4b663aa27ffc946d1760918a049e0e26233db77bb252abdba |
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font_02_sfnt_off0000de6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE6E | 15716 bytes |
SHA-256: 93a97831480dc503de8bafc3696b9d584e15fc99df8416586f5c04185f6b4241 |
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