MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and a large number of external URIs, many of which point to compromised CMS upload storage or disposable hosting. The ML classifier strongly indicates maliciousness. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure suggests a link farm designed to redirect users to potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9905
Heuristics 6
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://kiameds.com/images/upload/files/fuzapifavan.pdf In PDF document text
- http://brette-animation.com/userfiles/file/20195379514.pdfIn PDF document text
- https://edbcagliari.it/file/tapexirutuvoxufewavuwelal.pdfIn PDF document text
- http://artospace.com/pics/file/94461093206.pdfIn PDF document text
- https://tskrea.com/userfiles/file/limabiwipozebux.pdfIn PDF document text
- https://red-adlay.com/upload/files/pilazawuj.pdfIn PDF document text
- https://laser-arena.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1608b3032383c5---18528569828.pdfIn PDF document text
- https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/e8f6f5f800fc218e06d7a9abd0996de4/tutowi.pdfIn PDF document text
- http://edgewood1962.com/clients/2/2b/2b25cacec04995aba37d275b9c35b4d1/File/76723665290.pdfIn PDF document text
- http://labmansour.com/app/webroot/js/ckfinder/userfiles/files/55566698371.pdfIn PDF document text
- http://viethanit.vn/hinhanh/file/repigijowado.pdfIn PDF document text
- https://retta-bg.com/userfiles/fajobefunoli.pdfIn PDF document text
- https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/16533ba8f8ea9a08ee529bc72864fcf6/mirijerupirug.pdfIn PDF document text
- https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2e6d826022---buzibodo.pdfIn PDF document text
- https://lion-trading.co.uk/wp-content/plugins/super-forms/uploads/php/files/vofj12060rf3b7qo6gimuk5i6k/17385916360.pdfIn PDF document text
- http://bukhatirhomes.com/userfiles/file/95627847142.pdfIn PDF document text
- http://zonwering-belgie.com/ckfinder/userfiles/files/fojosajepesitapesalug.pdfIn PDF document text
- https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/f62afd799bf875992cfea311d16536af/53477303790.pdfIn PDF document text
- http://automotiveenergy.cz/userfiles/file/pevumajajatijoviwemojij.pdfIn PDF document text
- http://location-venise.com/italie_documents/files/sesasek.pdfIn PDF document text
- https://www.schroedersales.com/wp-content/plugins/super-forms/uploads/php/files/8da5b3ead7863a5075293d78c09ad1a0/gesufawa.pdfIn PDF document text
- https://www.charroninc.com/wp-content/plugins/super-forms/uploads/php/files/22f5f2c4eaeca40a7df97d5588ee333b/90637053080.pdfIn PDF document text
- https://bhavanarayanaswamy.org/userfiles/file/36089311217.pdfIn PDF document text
- https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/os4mc6dfglte78te3dqhegh3p3/47542251276.pdfIn PDF document text
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098e971bb428---52746128355.pdfIn PDF document text
- https://marjoyunlar.com/calisma2/files/uploads/56536578103.pdfIn PDF document text
- https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/fb45d63d604d963e9a99d60b3e1abca4/77652244791.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=gratuity+act+1972+pdf+karnatakaPDF 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_off0000ee16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE16 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001062d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1062D | 10880 bytes |
SHA-256: 9bce7081dd54c8a9ec5ddc918d0a466747dec79dffa192978bb6872e7f435f2d |
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font_02_sfnt_off00011fb7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FB7 | 17036 bytes |
SHA-256: e36da896fe312be51c9fa96a3d001263f3ca5129cf1cde47c3a5edeac7c38bca |
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