MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple external websites, some hosted on compromised CMS platforms. The presence of numerous unknown URLs and a specific compromised link farm URL suggests an attempt to distribute malicious content or phish for credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9837
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://waxparadise.pl/userfiles/file/15849853873.pdf In PDF document text
- https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/a7822aac6c87b32cd9cc811cfda98147/69571228910.pdfIn PDF document text
- http://hifitness.hu/userfiles/file/vepinulubazabefosegivuve.pdfIn PDF document text
- https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/p4oad81b13h9dnl63cvf5qt31a/50142967701.pdfIn PDF document text
- https://turkeyinsurance.info/images/file/85446952545.pdfIn PDF document text
- http://nicenpos.com/userData/board/file/35865384197.pdfIn PDF document text
- https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/f0df43c3eb6097470b5ec4922cba1b2d/gupiduxuf.pdfIn PDF document text
- http://sklenicky-obchod.cz/web/admin/fckeditor/userfiles/file/56796389931.pdfIn PDF document text
- http://nguyenphat.com/public/default/ckeditor/files/4936492177.pdfIn PDF document text
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/161327fca6dbff---donowuxepedumenabunos.pdfIn PDF document text
- https://study-abroad-travel.com/ckfinder/userfiles/file/97255329221.pdfIn PDF document text
- http://zjhywt.com/images/upload/File/94856815606.pdfIn PDF document text
- http://regmac.net/userfiles/files/fedajopibobopezozavagel.pdfIn PDF document text
- https://greenvalleykerala.com/ckfinder/userfiles/files/85536953929.pdfIn PDF document text
- http://www.weilandensemble.nl/ckfinder/userfiles/files/penivolobageviriwosa.pdfIn PDF document text
- http://kepco-group.com/uploaded_files/userfiles/files/jadasavat.pdfIn PDF document text
- https://jdrum-music.com/uploads/ckfiles/files/luvobavisezajibapopumere.pdfIn PDF document text
- http://www.pranabkumar.com/fckimages/file/35934462051.pdfIn PDF document text
- http://derp74.fooden.com/UserFiles/files/nuzigesanenoxilugifodogub.pdfIn PDF document text
- https://doanhnghiepvietnam.org/img_duhoc/files/63494774951.pdfIn PDF document text
- https://petribax.nl/userfiles/file/52322782422.pdfIn PDF document text
- http://salukool.ee/upload/userfiles/file/26477354909.pdfIn PDF document text
- https://forumsevens.com/images/file/rixafonoxunutobumet.pdfIn PDF document text
- https://cytairtool.com/test/userfiles/file/20210910_90671.pdfIn PDF document text
- http://iehyun.com/editorupload/file/96956143290.pdfIn PDF document text
- http://dailyxedayhang.com/userfiles/files/terobetuxafevijuj.pdfIn PDF document text
- http://dienlanhlongan.com/upload/files/95644458223.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=updating+firestick+appsPDF 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_off0000b4f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4F4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cd0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD0B | 10728 bytes |
SHA-256: efdea399e843fd1dbce3d2d0e240f09122e793eea6e7b5ce9aeee10ce6292584 |
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font_02_sfnt_off0000e5a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5A2 | 14644 bytes |
SHA-256: e586ce450bebd4d463f32ceae2ac0cb91eec5209e1f2b918d7987ce2d3b3275b |
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