MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, forming a link farm. One URL, in particular, is hosted on a compromised WordPress upload directory, suggesting an attempt to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://korea-labels.com/ckfinder/userfiles/files/51041293827.pdf In PDF document text
- http://3e-recycling.ru/app/webroot/filesfiles/97822272084.pdfIn PDF document text
- http://maslatalaia.com/userfiles/file/fujexululipodefazavojev.pdfIn PDF document text
- https://xrtradingfeedback.com/cmsimages/file/10378158579.pdfIn PDF document text
- https://baruipur.org/ckfinder/userfiles/files/lepasoralib.pdfIn PDF document text
- https://mtmnetwork.net/uploadEditor/files/toferibapefugu.pdfIn PDF document text
- https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/9f09e0adfdbbc8a573f0ec8cb7b188c7/10132934044.pdfIn PDF document text
- http://zelene-centrum.cz/webpagebuilder/ckfinder/userfiles/files/86971906885.pdfIn PDF document text
- http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/161413bd2ca918---52660750461.pdfIn PDF document text
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16147ff6f90a0a---vukumero.pdfIn PDF document text
- http://lingeriedediva.com/UploadFile/file/2021091721351773499.pdfIn PDF document text
- http://dealershop.es/camarasegovia/userfiles/file/fuwoxejifuko.pdfIn PDF document text
- http://rjbmachinery.com/d/files/87095682914.pdfIn PDF document text
- http://lunaleo.pl/userfiles/file/8921704234.pdfIn PDF document text
- https://drivetripper.com/userfiles2020/files/ginug.pdfIn PDF document text
- http://progfin.pl/userfiles/file/kofebuzukegabazusidobo.pdfIn PDF document text
- http://bonezi.morefriendship.com/upload/files/72153180152.pdfIn PDF document text
- http://thewesternmist.com/userfiles/file/19345249949.pdfIn PDF document text
- http://haliburtonhighlandsheritage.ca/userfiles/file/19705466194.pdfIn PDF document text
- http://istanbulballoons.com/ckfinder/userfiles/files/5978256053.pdfIn PDF document text
- http://benthanhsgfarm.net/images/uploads/files/gedapinuwotamonurelix.pdfIn PDF document text
- https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/3219850141.pdfIn PDF document text
- https://ajansnigde.com/resimler/files/vapomuwir.pdfIn PDF document text
- https://myphi.biz/nbloom/fckuploads/file/40153535453.pdfIn PDF document text
- http://szjwwj.com/userfiles/file///wolijojovujexezazulajafo.pdfIn PDF document text
- http://longchimvac.net/app/webroot/uploads/files/riguvabotewiwuxawiw.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=how+to+find+hidden+tracking+apps+on+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_off0000dfbb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFBB | 16540 bytes |
SHA-256: 8dd3ecfa21f21bbec2bf929a92f868d87272d9d062bb194ea4a431c5ab0b60b5 |
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font_01_sfnt_off00010abc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ABC | 11020 bytes |
SHA-256: 6c2f99a5fd248988077e2e47624319585a8361649d782ffde5711988db4de91a |
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font_02_sfnt_off00012424.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12424 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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