MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The ML classifier and ClamAV detection strongly indicate malicious intent. The PDF contains numerous external links, including a link farm pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. While no scripts were explicitly extracted, the PDF structure and heuristic firings point towards techniques used to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://allytemp.ru/uplcv?utm_term=watch+movie+after+2019+online PDF link annotation
- http://hoteldazegliotorino.com/userfiles/files/kudamamekilubufe.pdfIn PDF document text
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fd6d45c73d---45522656772.pdfIn PDF document text
- http://uforoi.com/app/webroot/uploads/files/39037079701.pdfIn PDF document text
- https://airbays.com/userfiles/file/24627694358.pdfIn PDF document text
- http://itaxabc.com/userfiles/file/20210916133026_175282405.pdfIn PDF document text
- http://lnyuanzong.com/uploads/files/20210910205054.pdfIn PDF document text
- https://stw-nowogard.pl/download/file/xavikizilivufubekutujuvu.pdfIn PDF document text
- http://www.beverburcht.nl/upload/files/31614045585.pdfIn PDF document text
- http://cesurmakina.com/userfiles/file/mizesezapisur.pdfIn PDF document text
- http://isvpro.com/custom/files/77232194997.pdfIn PDF document text
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161417ad5d8403---wavixufusis.pdfIn PDF document text
- http://es-manzokudou.com/yamituki-n/uploads/files/vifanavobiganupaxuwujurum.pdfIn PDF document text
- https://nsck-cykelmotion.dk/userfiles/file/bodesar.pdfIn PDF document text
- http://hatdesechia.com/storage/ckfinder/files/wuxezukopa.pdfIn PDF document text
- https://puntodeplacer.com/userfiles/file/61941658090.pdfIn PDF document text
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/16131d2527bd7a---marejemizifogox.pdfIn PDF document text
- http://dges.in/userfiles/file/55570134561.pdfIn PDF document text
- http://zerosquareonline.com/file/44356073403.pdfIn PDF document text
- http://cropscipublisher.com/files/upfiles/file/24724430881.pdfIn PDF document text
- https://elperrocallejero.info/ckfinder/files/jasowuzifujeletar.pdfIn PDF document text
- https://swagath.co/new/ckfinder/userfiles/files/rikazodunixon.pdfIn PDF document text
- https://almavilag.hu/files/files/wimoliki.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/cf75a92e32d48f0359cd7d6cfa8327a4/83067227760.pdfIn PDF document text
- https://theloneranger.tv/clients/loneranger/ckfinder/userfiles/files/libawetexekela.pdfIn PDF document text
- 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_off0000fa04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA04 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011216.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11216 | 17596 bytes |
SHA-256: d48818d4bac6b1c979afb5067b9a78b5e60840d2fdeac7e18614e0946a6bbe52 |
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font_02_sfnt_off00013f53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F53 | 10956 bytes |
SHA-256: 9909a8dcdb99f247d3aad36cea164727575bb4876f97296a428e5af111cdf155 |
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