MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as a link farm, with many URLs pointing to compromised CMS uploads and disposable hosting. The ML classifier and ClamAV also identified it as malicious, specifically a phishing trojan. The document's purpose appears to be to lure users to these external links, which likely host malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1614396331886e---82352935045.pdf In PDF document text
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ae6264afda8317226602e17d4532c68a/62750082400.pdfIn PDF document text
- http://togclick.com/media/userFckfiles/file/nenifewibonitaxifag.pdfIn PDF document text
- http://girisimcilikproje.com/resimler/files/33729960482.pdfIn PDF document text
- http://izhar-energy.com/userfiles/file/wotekofusipatakavizoxifup.pdfIn PDF document text
- http://playeasypiano.com/resources/fck_images/dogejibulem.pdfIn PDF document text
- https://kalashad.com/userfiles/file/bawek.pdfIn PDF document text
- https://eastmanllc.com/ckfinder/userfiles/files/29569345262.pdfIn PDF document text
- https://yoimart.com/upload/file/20210918203833.pdfIn PDF document text
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/16159a191337a8---40076893289.pdfIn PDF document text
- https://go2germany.ru/files/file/nuzelatefi.pdfIn PDF document text
- http://xinghui.co/upload/ckimg/files/202109201757284327.pdfIn PDF document text
- http://baharev76.ru/userfiles/file/luwevirakabupunenobofivep.pdfIn PDF document text
- http://lonniestireandauto.com/nbloom/fckuploads/file/wuxurukupis.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614effb47e7b6---gixeti.pdfIn PDF document text
- http://keralastatetailorsassociation.com/userfiles/file/buwirev.pdfIn PDF document text
- https://nada70.org/userfiles/file/jiboliwubawajibapavoduvi.pdfIn PDF document text
- http://xn-----6kcftbqgtghjv5bf5gydg7b.xn--p1ai/files/files/banuj.pdfIn PDF document text
- http://hitecds.com/userfiles/file/lafuverapebavi.pdfIn PDF document text
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/49a1702b7fc1895d8a3da506261b473c/26410331423.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=latin+proverbs+about+lovePDF 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_off00017602.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17602 | 10508 bytes |
SHA-256: b749359d79da70604747a91d08e04352e9397b662fdaa3cd3283422acb2cf4a4 |
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font_01_sfnt_off00018dd5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18DD5 | 20976 bytes |
SHA-256: 33fd007f1acb88033be7abee0afbea9aa69fea6df6cef3a1c0540877386ad375 |
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font_02_sfnt_off0001c3d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C3D2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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