MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
T1059.007 JavaScript
The file is identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, directing users to download files from compromised WordPress sites. The embedded URLs and the nature of the heuristics suggest the document is designed to trick users into downloading a secondary payload, likely a trojan or phishing client.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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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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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://daotaoyduoc.org/wp-content/plugins/super-forms/uploads/php/files/rl5mtsll8s723q1ehvop0ieik4/gebamenameram.pdf In PDF document text
- http://acudrved.com/ckfinder/userfiles/files/61266591858.pdfIn PDF document text
- https://maility.pl_adresuserfiles/file/96519244159.pdfIn PDF document text
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160728d5b6c5a5---mokewarosarono.pdfIn PDF document text
- https://unique.global/wp-content/plugins/super-forms/uploads/php/files/63cc685fd62ce6d86adda6faa9166800/31717423705.pdfIn PDF document text
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a1cae3cb0fc---vavepikut.pdfIn PDF document text
- http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/6fd61e1983d94bcf38f43cb255681fc3/34572658812.pdfIn PDF document text
- https://k2salight.com/wp-content/plugins/super-forms/uploads/php/files/37959107e5bca34d88f37962983266d5/30695314673.pdfIn PDF document text
- http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160789772a1e59---94439899025.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16090c06457249---duvidunuziloxikifugog.pdfIn PDF document text
- https://weddingitaly.jp/images/file/60969896855.pdfIn PDF document text
- http://evevoyance.fr/adh/.-/file/6229331484.pdfIn PDF document text
- https://castel.ro/userfiles/file/89352201045.pdfIn PDF document text
- http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/160ae13c189c55---wubaratunofubudiramaluk.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/ul4u7td6tq9lr35huv6ec69nm0/69206497351.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=email+list+pdf+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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011937.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11937 | 5140 bytes |
SHA-256: cfaebea3f5d226299852edc77780c3796127cbf74397ec02cafee7b423f4acf1 |
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font_01_sfnt_off00012ab5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AB5 | 11628 bytes |
SHA-256: c0886ec6eac99701205dbea9a4441bac4205688340e97dd0fe108912f86b1c2a |
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