MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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=install+apps+to+firestick PDF link annotation
- https://pamukoglu.com/userfiles/file/66987222430.pdfIn PDF document text
- https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/bd1k9606jmpcdphm0tdck8mhb8/kosiwudazujun.pdfIn PDF document text
- https://saint-florentin.charcutier-traiteur.fr/ckfinder/userfiles/files/bimotijenew.pdfIn PDF document text
- http://anhuishangbiao.com/upload_fck/file/2021-9-6/20210906065802814674.pdfIn PDF document text
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1613e615e7e6d7---58153352893.pdfIn PDF document text
- http://chinawin-consult.com/userfiles/siwokoxofa.pdfIn PDF document text
- http://hidramaco.com/files/files/jadavowapa.pdfIn PDF document text
- http://glassick.com/userfiles/file/memidugosezeboza.pdfIn PDF document text
- https://open-call.fr/uploaded/files/tetotukamatawafoxeget.pdfIn PDF document text
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/535q5iu6gg4rios9hqtuujea7u/62737440167.pdfIn PDF document text
- https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/411a30b87e6ade759eae15700c5d434c/5689519819.pdfIn PDF document text
- http://nj-rshb.com/v15/Upload/file/202193010435251.pdfIn PDF document text
- http://studiorestagno.eu/userfiles/files/jugusozusokokanulijozixe.pdfIn PDF document text
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/16137a9a624e48---69173061105.pdfIn PDF document text
- http://dh-cell.com/ckfinder/userfiles/files/fupodobor.pdfIn PDF document text
- http://versobrokers.eu/userfiles/files/xilagamit.pdfIn PDF document text
- https://altsovmun.ru/userfiles/file/jujetejazemitini.pdfIn PDF document text
- http://bm-shower.com/userfiles/files/weziperad.pdfIn PDF document text
- http://klaaswester.nl/img/file/rolon.pdfIn PDF document text
- https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/8c35bfb7012b9b08c7ef9745b49a0f9c/77204939775.pdfIn PDF document text
- http://architettoletiziamasciotta.eu/userfiles/files/getiwosovivamowokobidu.pdfIn PDF document text
- http://snnet.kr/board_pds/fckeditor/2021/09/file/31321147014.pdfIn PDF document text
- http://morard-mcf.fr/data/Files/wenafajepixux.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_off0000e30e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE30E | 10516 bytes |
SHA-256: 35867a067374a26edeea88234f56aa89d1a67f8b222258c9c36ce3823fa948e0 |
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font_01_sfnt_off0000fb21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB21 | 19720 bytes |
SHA-256: 531ee226e87f256888f8e7a5020773a776a302ee8d2ba5df1966c957bd163596 |
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font_02_sfnt_off00012d9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D9F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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