MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to disposable domains, many of which host PDF files, indicating a link farm designed to obscure malicious intent. The ML classifier and ClamAV detection strongly suggest malicious content. The presence of embedded URLs and the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9913
Heuristics 7
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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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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://cnzgks.com/userfiles/file///nusujofiwisepubal.pdf In PDF document text
- http://lesmashclub.com/imgUpload/files/39726267471.pdfIn PDF document text
- http://alfadent-volg.ru/images_uploads/files/pugopujajemalapinen.pdfIn PDF document text
- http://wwpokebar.com/uploads/files/sunegerabogufan.pdfIn PDF document text
- https://reviewz.eu/app/webroot/files/userfiles/files/powekopivivef.pdfIn PDF document text
- http://adance0112.com/upfile/editor/file/65090473553.pdfIn PDF document text
- http://radio-salsa.fr/php/rs/filesupload/file/xojemo.pdfIn PDF document text
- http://carzip.biz/files/uploads/files/17557742478.pdfIn PDF document text
- http://lamardaegu.com/upfile/user/file/garonegiz.pdfIn PDF document text
- http://barefoot.pl/userfiles/file/sajobemotepaf.pdfIn PDF document text
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134e1595f536---zumuvamil.pdfIn PDF document text
- http://winteringlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/91723576906.pdfIn PDF document text
- https://beyondpins.com/calisma2/files/uploads/30590447490.pdfIn PDF document text
- http://pm-property.pl/userfiles/file/58240193785.pdfIn PDF document text
- https://cryptobasics.biz/uploads/files/sevimigodufegadar.pdfIn PDF document text
- http://ramenhajimetustin.com/uploads/files/latudoramisubu.pdfIn PDF document text
- https://autopsrus.aerovents.com/ckfinder/userfiles/files/xazidukotefigoludivobo.pdfIn PDF document text
- https://mattress-leader.com/media/97342578551.pdfIn PDF document text
- https://adetexfoamgroup.centralcms.cloud/galeria/files/tijijenubiwuwewobex.pdfIn PDF document text
- http://ashokarefrigeration.com/userfiles/file/96126361170.pdfIn PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139deac4dfff---dodubisofenitid.pdfIn PDF document text
- http://rwdwebwebdesign.com/img-aim/files/79893234518.pdfIn PDF document text
- https://curtain.jinware.com/upload/files/30250366851.pdfIn PDF document text
- https://lionkingbali.com/uploads/file/sejivutobanenumu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=luigi%27s+mansion+nintendo+64+rom+downloadPDF 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_off0001c542.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C542 | 20056 bytes |
SHA-256: 9ddb4161327451c84ee480458597615d06a65cab4a2b4026b92e1228b7a7504d |
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font_01_sfnt_off0001f9bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1F9BD | 11016 bytes |
SHA-256: d7d2f7c4923f2de120c84a4dd71b53cd8d9781229ee45c22d92814ac4dd04267 |
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font_02_sfnt_off00021346.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x21346 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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