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 malicious, including a critical ClamAV detection and an ML classifier indicating a high probability of maliciousness. The heuristics indicate the document functions as a link farm, pointing to compromised CMS uploads and disposable hosting, likely to distribute malware or phish users. The presence of numerous unknown URLs further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://chipublichouse.com/ckfinder/userfiles/files/monupuwisekodupujanadoge.pdf In PDF document text
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/9b48351197d0f266172e545e450bc832/jorowigubukura.pdfIn PDF document text
- http://gmkms.net/upfile_editor/2021/files/fozola.pdfIn PDF document text
- https://sofupingame.net/calisma2/files/uploads/jategulubovirigewamupaf.pdfIn PDF document text
- https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f5270c9bd8---7964816611.pdfIn PDF document text
- http://rayer.cn/d/files/6151461836.pdfIn PDF document text
- http://abwclayton.com/uploads/files/14939282247.pdfIn PDF document text
- https://iskoruma.com/upload/ckfinder/files/zagizuvudipenewi.pdfIn PDF document text
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16135d83125f17---38914339790.pdfIn PDF document text
- http://varosom.hu/userfiles/files/jugamizugapotanipufopota.pdfIn PDF document text
- http://salonorganica.ru/upload/files/72344760863.pdfIn PDF document text
- http://sumisaedu.com/FileData/ckfinder/files/20210913_A98CD4B53383D659.pdfIn PDF document text
- http://northcity.rs/slike/files/20493866714.pdfIn PDF document text
- http://emrc.ie/upload/imagecontent/file/3786781161.pdfIn PDF document text
- http://rorolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fulofamesepasesemoniv.pdfIn PDF document text
- https://yifff.se/userfiles/file/rijaj.pdfIn PDF document text
- http://runwellconsulting.eu/file/file/16627843180.pdfIn PDF document text
- https://service-panev.com/userfiles/naleg.pdfIn PDF document text
- http://wsp.pl/userfiles/file/momoli.pdfIn PDF document text
- http://codemessaging.net/ckfinder/userfiles/files/relalupakakabobaxupo.pdfIn PDF document text
- http://ilkconstruction.com/Images/Media/files/86451397670.pdfIn PDF document text
- http://businesslegalgroup.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/86464989256.pdfIn PDF document text
- http://parfumland.sk/upl/kaxixijaw.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=subway+surfers+free+hack+downloadPDF 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_off0000c564.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC564 | 17412 bytes |
SHA-256: b1d0891ece36734b3dea1901ec3d63b91ed7d539b182c0b5e10581ba48e7d61d |
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font_01_sfnt_off0000f229.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF229 | 10988 bytes |
SHA-256: f9364235be96107fbd3e831d14404fa8f36166d683a44b2ff5caa9e7be00ed3f |
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font_02_sfnt_off00010bb8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BB8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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