MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The document contains numerous links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of these links and the overall structure strongly indicate a phishing or SEO poisoning attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://vasekurzy.cz/userfiles/file/bitekizazuvanofoluvixixi.pdf In PDF document text
- http://nwatchonline.net/userfiles/file/60105542176.pdfIn PDF document text
- http://pmrs.ps/userfiles/file/gejitumetomazigadub.pdfIn PDF document text
- http://imhkayseri.com/resimler/files/sujijibuberur.pdfIn PDF document text
- https://igruppe.no/ckfinder/userfiles/files/69699734968.pdfIn PDF document text
- http://infoegrafica.com/userfiles/files/zanijotur.pdfIn PDF document text
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614e72a8dc3ef---gikezipozopipiliw.pdfIn PDF document text
- https://kingdomofgodmn.org/userfiles/files/42973514747.pdfIn PDF document text
- http://smingames.com/ckfinder/files/lalibelovadowaxikovuf.pdfIn PDF document text
- https://myvideoclasses.com/ci/userfiles/files/kijalepesexilozexazora.pdfIn PDF document text
- http://holidayinntorino.com/userfiles/files/wipujiromumuvekijuzoritu.pdfIn PDF document text
- https://www.aukuras.org/ckfinder/userfiles/files/bejufagifusoxalogajeg.pdfIn PDF document text
- http://medicalproduct.hu/images/files/wikerep.pdfIn PDF document text
- http://www.pranabkumar.com/fckimages/file/xomodabamak.pdfIn PDF document text
- https://www.bocamvigliesrooms.com/wp-content/plugins/super-forms/uploads/php/files/d8f03ad678bfa4024d9307c197fafd4d/pirejowixu.pdfIn PDF document text
- https://g-stampo.com/pics/pages/file/kakidib.pdfIn PDF document text
- http://thebodyclubonline.com/userfiles/file/numawosilujipotef.pdfIn PDF document text
- http://giasudaihocsupham.com/Images_upload/files/nekegomoxon.pdfIn PDF document text
- https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/0o12pup9cfqoo2tqrno6bq66ku/3817823540.pdfIn PDF document text
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615a8a27a2777---voxafopuviniketexemet.pdfIn PDF document text
- http://cnhhgj.com/upfiles/userfiles/file/156209809.pdfIn PDF document text
- http://mintaialuminum.com/d/files/10600099295.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=how+would+you+figure+the+number+of+neutrons+in+an+atomPDF 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_off0000e371.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE371 | 21128 bytes |
SHA-256: 677037a5e02d5d345649782fd210da9fd4d7cd186383dcdf86b1f3b29c05c312 |
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font_01_sfnt_off00011aac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AAC | 11232 bytes |
SHA-256: 2d25d9922fcbcf572ede20e4a43cbedec95e91555ccdc41e145009a0b2c93dcb |
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font_02_sfnt_off00013498.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13498 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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