MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ML classifiers and ClamAV as malicious, exhibiting characteristics of a phishing or trojan delivery mechanism. It functions as a link farm, directing users to various external PDF files hosted on potentially compromised or disposable domains, and includes a lure suggesting a password-protected archive. The embedded URLs and the nature of the link farm suggest an attempt to lead users to download further malicious content or engage in phishing activities.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://donleroy.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/subijapelofoputabozu.pdf In PDF document text
- http://zezoalza.com/ckupload/files/45946970448.pdfIn PDF document text
- http://pileki.com/imgup/file/bakefomimogovozolusete.pdfIn PDF document text
- https://indiantiffin4me.com/nbloom/fckuploads/file/24394581813.pdfIn PDF document text
- http://lerucherdesanges.fr/userfiles/file/gixadurawoba.pdfIn PDF document text
- http://uat2.hkha.com.hk/ckfinder/userfiles/files/nefelurijitixosutenobixik.pdfIn PDF document text
- https://akrmedia.no/ckfinder/userfiles/files/70241313621.pdfIn PDF document text
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/161307a4362b3b---vamogozat.pdfIn PDF document text
- http://decaldankinh.net/upload/files/loxivadofavubamapesusene.pdfIn PDF document text
- http://shceping.com/upFile/photos/2021-9/file/75551140232.pdfIn PDF document text
- http://lmtechsolution.com/userfiles/93926831468.pdfIn PDF document text
- http://najlepsietorty.sk/uploads/fck/file/14367657684.pdfIn PDF document text
- http://enovosti.info/ckfinder/userfiles/files/xufuvujadufojimirugekebot.pdfIn PDF document text
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1612f0df7c71e9---83867985739.pdfIn PDF document text
- https://burkina-businessschool.com/business_school/uploads/file/77058521782.pdfIn PDF document text
- http://technimexvn.com/images/ckeditor/files/46505991969.pdfIn PDF document text
- http://sushrutproctology.org/ckfinder/userfiles/files/rumafovavitoterekapimot.pdfIn PDF document text
- https://kcss.hu/korosi/userfiles/file/jolulomixipugosome.pdfIn PDF document text
- https://unitedfightalliance.com/ckfinder/userfiles/files/fafeminaxeti.pdfIn PDF document text
- http://creativeindustries.ru/uploads/userfiles/file/50223476105.pdfIn PDF document text
- http://sanxuatbanthinghiem.org/app/webroot/uploads/files/moketofuxam.pdfIn PDF document text
- https://sporyolu.com/resimler/files/34332299771.pdfIn PDF document text
- http://mobiliteit.nu/files/31776460194.pdfIn PDF document text
- http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16138ebc9c5c35---35358201850.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=descargar+wifi2me+para+androidPDF 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_off0000b671.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB671 | 16016 bytes |
SHA-256: d4d4ffd43355eed529faa4e2ffc81d07ddc602314a626200852fcbcb8601cb05 |
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font_01_sfnt_off0000de11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE11 | 11028 bytes |
SHA-256: e4594064a69acfd2536e1796f0cdc42491864b423edf01a5989176e8432fb244 |
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font_02_sfnt_off0000f7a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7A5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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