MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous embedded URLs, many of which point to compromised CMS uploads and disposable hosting, indicating a link farm designed for redirection. ClamAV and ML classifiers flagged this file as malicious, specifically as a phishing trojan. The presence of external URIs and link farms suggests an attempt to lure users to malicious sites, likely as part of a phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 https://www.stock2morrow.com/ckfinder/userfiles/files/sukajafujowiw.pdf In PDF document text
- http://prunay-en-yvelines.fr/ckfinder/userfiles/files/81495637459.pdfIn PDF document text
- http://autowassenindex.nl/images/uploads/59597101968.pdfIn PDF document text
- https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/949f9aa8cd6935f17c4a82d92f18ebad/11267523510.pdfIn PDF document text
- http://topoint.cc/userfiles/fckFile/20210908124617.pdfIn PDF document text
- http://anhhieu.vn/hinhanh/file/telosox.pdfIn PDF document text
- http://zbraneklapka.cz/ckfinder/userfiles/files/wajopitenezita.pdfIn PDF document text
- http://ty-int.com/files/files/48013745529.pdfIn PDF document text
- https://perfecthospitals.com/ckfinder/userfiles/files/63595343301.pdfIn PDF document text
- https://leuphuotcamap.com/uploads/image/files/70406208345.pdfIn PDF document text
- http://ivankotov.ru/img/lib/file/fuvok.pdfIn PDF document text
- https://praktijkbinnenstad.nl/file/54553133077.pdfIn PDF document text
- https://j26clean.com/upload/files/80715655319.pdfIn PDF document text
- https://geya99.com/ckfinder/userfiles/files/96398054743.pdfIn PDF document text
- https://lazeo.nl/userfiles/file/wifofupinevazojoliso.pdfIn PDF document text
- https://biographiewerkstatt-singer.de/userfiles/file/87407832919.pdfIn PDF document text
- http://ecole.ru/text/images/file/42526517135.pdfIn PDF document text
- https://jensbrode.de/files/file/kejow.pdfIn PDF document text
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/l5f50v9f9l1q4b344b6kesbmk0/48639753101.pdfIn PDF document text
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614350b174e2b---41306954425.pdfIn PDF document text
- http://terwaarde.be/ckfinder/userfiles/files/15888673669.pdfIn PDF document text
- https://akproauto.net/nbloom/fckuploads/file/juwarasiponavokavames.pdfIn PDF document text
- http://houselandia.ru/files/juwewoxigitomoderixi.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=android+actionbar+searchview+listview+examplePDF 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_off0000db74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB74 | 11152 bytes |
SHA-256: 2d537618ffd9b15687a9fd6f53f2c815825aaf222f60032f3dfef54d49b915ec |
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font_01_sfnt_off0000f529.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF529 | 18308 bytes |
SHA-256: ae547689fb1663c3d98c4d5492c6cd80fa38ccf66ee2f2e203927f9deea17df0 |
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font_02_sfnt_off000124f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124F0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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