MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a high-confidence ML classifier and ClamAV, indicating malicious intent. The PDF contains numerous embedded links, many of which are hosted on disposable domains and appear to be part of a link farm, suggesting a phishing or malware distribution scheme. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing lure designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 5
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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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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://jr.ac.th/ckfinder/userfiles/files/53690491855.pdf
- http://orgue-chantepie.info/FCKeditor/upload/file/mupazojutedagulinejagikab.pdf
- http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613e9fbf59015---jimobifoloduti.pdf
- http://boschvietnam.com/files/usersfiles/files/dopupuwaxuxoxu.pdf
- https://khotelmarket.com/FileData/ckfinder/files/20210906_40F78E80664630C7.pdf
- https://minhvuongthuphap.com/upload/ck/files/pagiledusurimuxi.pdf
- https://299-45.com/CKEdit/upload/files/lijozi.pdf
- http://gourmethousemacau.com/UploadFilesfile///jumumo.pdf
- http://ministerium.pt/files/jefexi.pdf
- http://aerotechgroup.ru/img/outer/files/rozev.pdf
- http://aylincinarli.com/fckfiles/file/dizipikexelabololadazojaw.pdf
- http://hoaiduc.edu.vn/ckfinder/userfiles/files/95681048462.pdf
- http://aumnat2car.com/ckfinder/core/connector/php/upload/files/79478625796.pdf
- http://teacherandtraining.com/coj_u/KK/userfiles/files/gixalijidoba.pdf
- http://szm.hu/userfiles/file/29433732878.pdf
- http://chatyzvule.cz/uploads/pufewuretejigepoda.pdf
- https://christianbelieversmatrimony.com/web/christiansbelieversmatrimony/photos/ckeditor/files/fuminujuvenil.pdf
- http://riverside-plaza.com/upload/userfile/files/kepiditodoguruvuli.pdf
- https://damiel.eu/userfiles/file/fupagul.pdf
- http://cdn.eagle.mn/uploads/userfiles/files/22412449351.pdf
- http://abovomedia.hu/_user/file/semomepotipakosikupufonig.pdf
- http://yevres.fr/ckfinder/userfiles/files/79867487409.pdf
- https://ctners.com/ckfinder/userfiles/files/mesakuraxerusetiluzojan.pdf
- http://brainbond.ro/userfiles/file/74683300610.pdf
- http://wirtrauenuns.ch/images/file/70562301061.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=download+bob+the+robber+5+mod+apk
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ea01.bin6b5d8b5d7925808e1cdf66d5048c650c0b98a73664f04a3ebd770c6445b8b44c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA01 | 10852 bytes |
font_01_sfnt_off000102be.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102BE | 16792 bytes |
font_02_sfnt_off00011ad0.bin7734940af09f1409f045943b7eaec0afbc63202c9155975dd23dbdef215eac6d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AD0 | 17476 bytes |
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