MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. Heuristics reveal it functions as a link farm, directing users to multiple domains, including compromised WordPress uploads and disposable hosting. The embedded URLs suggest an attempt to lure users to external, potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://lnyuanzong.com/uploads/files/20210908204521.pdf In PDF document text
- https://yenicekentkaplicasi.com/userfiles/file/jinival.pdfIn PDF document text
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613f55d25db9c---jazukabig.pdfIn PDF document text
- https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/4c9e2dd9bdb000888bb8238bca44868b/27113957012.pdfIn PDF document text
- http://allineers.morefriendship.com/upload/files/53387370669.pdfIn PDF document text
- https://creativitagh.com/pevron/www/img/file/fopabanu.pdfIn PDF document text
- https://adesso-moosburg.de/images/file/pimixanujigakoxeted.pdfIn PDF document text
- https://5703n1n6999-6a55.com/contents/files/vaxupodazumovawezip.pdfIn PDF document text
- http://kcemsp.org/upload/editor/file/susilix.pdfIn PDF document text
- http://sreema.org/FCKeditor/file/61236135669.pdfIn PDF document text
- https://adtw1.com/ckfinder/userfiles/files/gepigovupoma.pdfIn PDF document text
- http://mp-journal.com/media/file/65550640216.pdfIn PDF document text
- https://soi.icami.mx/ckfinder/userfiles/files/mukefe.pdfIn PDF document text
- http://wadsoda.com/UserFiles/File/47056186529.pdfIn PDF document text
- https://diphong.com/uploads/tonojakizuvewodikeva.pdfIn PDF document text
- http://gernano.eu/gfx/userfiles/files/jufujogovajizagajutimive.pdfIn PDF document text
- https://istanajpdua.com/contents/files/zabipufapozum.pdfIn PDF document text
- http://netcentricnj.com/ckfinder/userfiles/files/6110945770.pdfIn PDF document text
- http://www.museopizarra.com/ckfinder/userfiles/files/jalakezutadusufinebabef.pdfIn PDF document text
- http://kpotplace.com/uploads/files/11102837968.pdfIn PDF document text
- http://drsuthichai.com/userfiles/files/2717492102.pdfIn PDF document text
- http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fe6e6c22ef---vepokavasevus.pdfIn PDF document text
- http://szymonadamczyk.pl/uploads/fck/file/bovolile.pdfIn PDF document text
- http://liebherr-tr.com/userfiles/file/49818681913.pdfIn PDF document text
- http://saigonford3s.com/uploads/2021-09-05/images/files/tirini.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=cardio+cans+codePDF 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_off0000cb3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB3A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e34c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE34C | 17616 bytes |
SHA-256: 2903d8b200eee2761bb9aee827820331b0688b5f44899b872444f2a6d2d98e99 |
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font_02_sfnt_off0001109b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1109B | 10252 bytes |
SHA-256: bc97148636f3ae05086eff25adc87378ed5eb811cdc1c13db77af074301813a5 |
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