MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to multiple disposable hosting domains, a common tactic for distributing malware. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware delivery. The presence of a 'download' button lure further supports this conclusion.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://myrbacken.se/login/ckfinder/userfiles/files/bunasoposekij.pdf In PDF document text
- https://albertoangel.sinecsas.com/ckfinder/userfiles/files/30661445553.pdfIn PDF document text
- http://phutungototuanphat.com/img-tvdl/files/zelegi.pdfIn PDF document text
- http://kustari.net/userfiles/file/90348195283.pdfIn PDF document text
- http://zatuchlina.cz/upload/file/sewezoxawaxeporuxewut.pdfIn PDF document text
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b5b2adc817---29839699133.pdfIn PDF document text
- http://auto-rad.pl/userfiles/file/xanodaxeguwodikiwomafopon.pdfIn PDF document text
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613257c077c33---bavijesiwokufujigagupeso.pdfIn PDF document text
- https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/31932009832a67990c30f1234413b777/dupodir.pdfIn PDF document text
- http://eventclub.pl/userfiles/file/wanonob.pdfIn PDF document text
- http://esipro.lu/userfiles/file/75342557090.pdfIn PDF document text
- http://kythuatviet.vn/uploads/userfiles/file/fazivudujaw.pdfIn PDF document text
- https://www.eos.org.eg/ckfinder/userfiles/files/41393568567.pdfIn PDF document text
- https://cowik.pl/upload/dawolupisesutevadeda.pdfIn PDF document text
- https://atlantidegattico.it/file/refedoziseloxi.pdfIn PDF document text
- http://jinruily.com/UploadFile/file/20210910071427871.pdfIn PDF document text
- http://lexprikson.com/admin/style/images/userfiles/file/64082909987.pdfIn PDF document text
- http://ternovykh.ru/content/file/buwosepokogowe.pdfIn PDF document text
- http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613515837ed64---lexipewidokixapugine.pdfIn PDF document text
- https://arendic.cl/files/96639249104.pdfIn PDF document text
- http://ymmicro.com/files/files/65892173545.pdfIn PDF document text
- http://mediedil.eu/userfiles/files/53855312848.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=gaana+apk+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_off0000d9ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9AB | 19048 bytes |
SHA-256: f10e102dd4a9f63b97293514de3d618e491f2f41b4b159d0083f44b67aba9db8 |
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font_01_sfnt_off00010b9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B9C | 10012 bytes |
SHA-256: 439a65161afb253a2d0c675294d1db515b13623806174c16073dd7f703c4de5e |
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font_02_sfnt_off000121fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121FB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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