MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress upload storage and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of multiple external URIs and link farm indicators strongly points towards a phishing or SEO manipulation attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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 https://asesoriagade.com/app/webroot/files/files/25497435989.pdf In PDF document text
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16152aeb6a6c9c---nenusedamalisu.pdfIn PDF document text
- https://mkserwis.pl/userfiles/file/78102712381.pdfIn PDF document text
- https://postelezmasivu-praha.cz/ckfinder/userfiles/files/64984891831.pdfIn PDF document text
- https://olterus.com/contents/files/zepawizazutufi.pdfIn PDF document text
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/161300bd2b3876---56016459988.pdfIn PDF document text
- http://sanga.asia/userData/board/file/setajisadik.pdfIn PDF document text
- https://xn--90aweabvm.xn--p1ai/ckfinder/userfiles/files/razudururogupevomuzirep.pdfIn PDF document text
- http://tiquital.com/documentos/file/veposarisev.pdfIn PDF document text
- https://keralatemples.info/ckfinder/userfiles/files/wupineboj.pdfIn PDF document text
- https://jasz-pap.hu/UserFiles/file/2793808654.pdfIn PDF document text
- https://cualuoihoanmy.com/uploads/userfiles/file/11070971138.pdfIn PDF document text
- http://sspvjd.com/FileData/ckfinder/files/20211003_9573B9BE7F6106F5.pdfIn PDF document text
- http://tnmetalworks.com/images/files/71791905407.pdfIn PDF document text
- http://gr-chem.com/upload/files/zuwobukumoxoripafuzulutow.pdfIn PDF document text
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/4ffd8eb96855256943931e1d03664268/61500216939.pdfIn PDF document text
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613de51417277---21883469656.pdfIn PDF document text
- https://bczenekar.uleshuzataruhaz.hu/files/file/zijikiwafedevutizivokane.pdfIn PDF document text
- http://vipacademy.org/userfiles/file/48832023316.pdfIn PDF document text
- http://martonaroniskola.net/userfiles/file/beduzejepibotijibem.pdfIn PDF document text
- https://tttinox.com/upload/userfiles/files/janikurobidusexevirenofop.pdfIn PDF document text
- https://network-italia.it/file/mojodujotibatamakin.pdfIn PDF document text
- http://cisseo.net/userfiles/files/ginugiwovomakesebejolen.pdfIn PDF document text
- https://batikatravels.com/userfiles/file/39964742471.pdfIn PDF document text
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142c7a197718---30436523126.pdfIn PDF document text
- http://jngf.cn/files/file/fefawuvumatatogenokaditim.pdfIn PDF document text
- http://feedproxy.google.com/~r/Xvkpad/~3/UsNeCLCzgYg/uplcv?utm_term=ps4+external+hard+drive+corruptedPDF 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_off0000cd36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD36 | 10960 bytes |
SHA-256: 45d307e3bd33cd8798b9c1ecf86eb72a0ad6a3a0a5586749db243fda16a81171 |
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font_01_sfnt_off0000e6af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6AF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fec1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEC1 | 17852 bytes |
SHA-256: 2a5df4462d7280947e1e27612cc791e56be7d1802a9e437dcac6cf4ca028bb70 |
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