MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs and link farm heuristics confirms a high likelihood of phishing or malware distribution. No scripts were extracted, but the document's structure and embedded links are sufficient to infer its malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://ketchas.ru/uplcv?utm_term=change+phone+password+android PDF link annotation
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613789c0c4cb3---97778653461.pdfIn PDF document text
- http://simonhoirup.dk/userfiles/file/87238281459.pdfIn PDF document text
- http://webbyshoe.com/fckeditor/userfiles/file/dalavusoxuxasajewiv.pdfIn PDF document text
- http://boracayg.com/FileData/ckfinder/files/20210904_12838C0EC417B450.pdfIn PDF document text
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/b9caac836b3bdccb5146af17ceca699d/80831643175.pdfIn PDF document text
- http://ukonlinedirect.com/userfiles/files/daxikuxom.pdfIn PDF document text
- http://filippodelvita.com/demo/userfiles/file/lasopo.pdfIn PDF document text
- http://licausi.it/userfiles/files/31021961708.pdfIn PDF document text
- http://hauptlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/remixenakebevuvavine.pdfIn PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613035611914a---fuvatelifawazepega.pdfIn PDF document text
- http://adabaskimerkezi.com/upload/file/fenawitojivusakededi.pdfIn PDF document text
- https://ubitanduk.com/contents/files/42254112144.pdfIn PDF document text
- https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613274eb043f2---volaxujanali.pdfIn PDF document text
- https://easypayindia.in/userfiles/file/raxokapunilediwopopuw.pdfIn PDF document text
- http://hidramaco.com/files/files/verazirisupupa.pdfIn PDF document text
- https://ensegun2.com/ckfinder/userfiles/files/kadoxojobusadobitux.pdfIn PDF document text
- http://pokwuttibut.com/file_media/file_image/file/lutuzomeligenusuzosik.pdfIn PDF document text
- http://computergramm.com/userfiles/file/83877992379.pdfIn PDF document text
- http://dighakanchaninternational.com/FCKeditor/file/43133583302.pdfIn PDF document text
- http://blackhorsesc.pl/userfiles/file/naxapugapalurekodid.pdfIn PDF document text
- http://vicc.huh.hu/UserFiles/File/92238830924.pdfIn PDF document text
- http://boxshop.mn/userfiles/files/kedugomom.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_off0000d5c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5C0 | 10644 bytes |
SHA-256: 10089381216463f225844f500d35baddd81389b0333ff0aa60a608565f55dc30 |
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font_01_sfnt_off0000ede9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDE9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000105fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105FB | 17976 bytes |
SHA-256: 42e27651f4014222e026dde74abae42171325784b9c422eed25419ca9a1d0adf |
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