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 external links, many pointing to domains flagged as disposable or potentially compromised CMS uploads. The ML classifier strongly indicated maliciousness, and the structure suggests a link farm designed to redirect users to other malicious documents or phishing sites. No scripts were extracted, but the overall pattern points to a malicious document distribution or redirection mechanism.
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 https://irlanc.ru/uplcv?utm_term=regeneration+pat+barker+free+pdf PDF link annotation
- https://ilexgold.com/app/webroot/files/userfiles/files/lefelodililatatarol.pdfIn PDF document text
- http://tianlanlawyer.com/filespath/files/20210906213514.pdfIn PDF document text
- http://sluchatka-shop.cz/files/upload/files/77438372528.pdfIn PDF document text
- http://nacyc.jp/Upload/file/42949945342.pdfIn PDF document text
- https://psfund.org/public/uploads/files/cms_files/99011208701.pdfIn PDF document text
- https://ojazzdance.fr/userfiles/file/jusiviremutisara.pdfIn PDF document text
- http://bushurov.ru/images/files/25060265613.pdfIn PDF document text
- http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614836868b20c---donojotafetibifidoxog.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16150271988519---8657125041.pdfIn PDF document text
- http://fundacjahfg.pl/upload/file/taxokuwigazazukaxejiku.pdfIn PDF document text
- http://klgd.spokoino.ru/i/upload/files/49593112734.pdfIn PDF document text
- http://ps-chiptuning.hu/userfiles/files/bemalime.pdfIn PDF document text
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/161442ba57ffb0---larizijipepitenigebatag.pdfIn PDF document text
- http://georgewongdesign.com/gwd/upload/files/72273777582.pdfIn PDF document text
- https://vitanov.rs/files/85296117448.pdfIn PDF document text
- http://reopen911.info/media/file/fanuxafep.pdfIn PDF document text
- http://adhunikjewellers.com/ckfinder/userfiles/files/55067679113.pdfIn PDF document text
- http://zhxndl.com/uploadfiles/files/xifaj.pdfIn PDF document text
- http://montazerangroup.com/uploader/file/77648533011.pdfIn PDF document text
- http://agama-rc.com/upload/files/tanadelapalavugosupofubo.pdfIn PDF document text
- http://www.onlinenieuwsbriefversturen.nl/gebruikers/afbeeldingen/40850197673.pdfIn PDF document text
- http://terryloops.com/E/file/xawikupu.pdfIn PDF document text
- http://toyteepee.com/uploadfiles/file/210925025930183240jmaiip.pdfIn PDF document text
- http://nowyhotelik.pl/userfiles/file/68484254322.pdfIn PDF document text
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16141183401c89---vemoliweduses.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_off0000bd76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD76 | 10736 bytes |
SHA-256: 4fed6a96d10814d2b24d4e1fc0002d8c5b1f1215c6087a8b6c88deff0feb13a7 |
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font_01_sfnt_off0000d5d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5D5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ede7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDE7 | 18012 bytes |
SHA-256: 9c7fbf67478dd0abc5fc9e0268465715a70f43bc9e201527d3cd2572c29dce24 |
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