MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links pointing to various websites, many of which are hosted on compromised CMS platforms or disposable domains. This behavior is characteristic of a link farm used to distribute malicious content or conduct phishing attacks. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://bukhatirhomes.com/userfiles/file/8200411535.pdf In PDF document text
- http://secureyun.cn/uploadfile/file///2021081320013060.pdfIn PDF document text
- https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/26c8c80cd4fcd39785c6c7e77afd9f8f/11934181871.pdfIn PDF document text
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160790ee3178db---tusolipop.pdfIn PDF document text
- https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/d115028b16dfade42dceb27126362e9b/43866936729.pdfIn PDF document text
- http://wo-kop.pl/userfiles/file/3220534058.pdfIn PDF document text
- https://www.wizzfizz.com.au/application/third_party/ckfinder/userfiles/files/soguxomase.pdfIn PDF document text
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e2a1c76a19---23682153318.pdfIn PDF document text
- https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/8d3b846040f72a59094a69f10a474195/49621297095.pdfIn PDF document text
- http://vinhthuan.asia/upload/files/rixaw.pdfIn PDF document text
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160ee5d192e87d---manowakuzifurotubodupidon.pdfIn PDF document text
- http://reklamavysocina.cz/UserFiles/File/zifinezusowukomenarera.pdfIn PDF document text
- https://cs168.tw/upfiles/editor/files/12872587061.pdfIn PDF document text
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9c2c5d91e1---mikoz.pdfIn PDF document text
- https://catwalkdogcome.com/editor_upload_image/file/wezotesabosikivuniguv.pdfIn PDF document text
- http://csc0351.com/userfiles/file/20210607114558_n878fh.pdfIn PDF document text
- http://project-lovcen.me/userfiles/file/67299883452.pdfIn PDF document text
- https://togeltop.net/contents//files/37736555505.pdfIn PDF document text
- https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/ee679e8e0aa0df66aad439fa856693eb/kunixulisiwijumutu.pdfIn PDF document text
- https://binarbaid.com/public_html/userfiles/file/58852728354.pdfIn PDF document text
- http://reicar.dk/userfiles/file/54091831519.pdfIn PDF document text
- http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/f86fd9a9edc950a54113188a6032b1c1/pakakugenovejese.pdfIn PDF document text
- http://lamelove-zakryti.cz/userfiles/file/gozif.pdfIn PDF document text
- https://triosms.com/userfiles/file/10293617493.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=polymeric+insulators+pdfPDF 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_off0000e5aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5AA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fdc1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDC1 | 10996 bytes |
SHA-256: 4c82611e82bd27091833b8a947e0c4a2ae793432334cca32c04220bead7c2dc6 |
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font_02_sfnt_off00011756.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11756 | 17932 bytes |
SHA-256: 7ad1a6db62df2b19daf244f91a5737929775e94b388cff52ec920184afbafedb |
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