MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document containing embedded JavaScript, flagged by heuristics as malicious. It also contains numerous external URIs, one of which is identified as a link farm on disposable hosting, suggesting a phishing or redirection attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to download a second-stage payload or redirect to a phishing site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 7
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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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://showplus.ae/userfiles/files/kufajafesarerusalijeraj.pdf In PDF document text
- http://symbolfoods.com/files/file///wurepuvudulopuralalemama.pdfIn PDF document text
- http://athaj2.specialty-match.com/upload/files/tedotafowuror.pdfIn PDF document text
- http://spiregene.com/image/files/20210906_232240.pdfIn PDF document text
- http://accessibilite-salle-eau.com/ckfinder/userfiles/files/13791773293.pdfIn PDF document text
- http://a-mega.ua/images/uploads/file/86093111979.pdfIn PDF document text
- http://tccsrl.org/userfiles/files/fogoxubunobugowozur.pdfIn PDF document text
- http://mosjob.ru/images/file/rubixemufo.pdfIn PDF document text
- http://geoass.eu/userfiles/files/zupejexurimobidufofas.pdfIn PDF document text
- http://conservativista.com/js/ckfinder/userfiles/files/16931593936.pdfIn PDF document text
- http://chanhungcorp.com/images/uploads/files/pufibadikiwi.pdfIn PDF document text
- http://marcobernini.it/userfiles/files/17728312982.pdfIn PDF document text
- https://bodzlomu.com/userfiles/file/95882849697.pdfIn PDF document text
- https://manusingh.org/scgtest/eec-new/codelibrary/ckeditor/ckfinder/userfiles/files/fidogobakamaguva.pdfIn PDF document text
- http://kozszemle.hu/uploads/files/tajubu.pdfIn PDF document text
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/59b0ede9e574c639d89aedcb29c55568/bejuvojinimezewuna.pdfIn PDF document text
- http://www.mmd.ntou.edu.tw/ckfinder/userfiles/files/75364680002.pdfIn PDF document text
- http://jjmcp.jp/userfiles/Image/file/tavaxusovofafodutu.pdfIn PDF document text
- http://veraschwemmle.de/fckdata/file/zopekuwatap.pdfIn PDF document text
- http://gallery4walls.com/upload/editer/file/70643768002.pdfIn PDF document text
- http://101balkon.ru/upload/files/likukinapo.pdfIn PDF document text
- http://degrossier.nl/uploads/file/54941930790.pdfIn PDF document text
- http://www.lasallelille.com/admin/ckfinder/userfiles/files/tejikulunakiziteza.pdfIn PDF document text
- http://feedproxy.google.com/~r/MbOu/~3/23D8k0Ec_6w/uplcv?utm_term=regional+anesthesia+examplesPDF 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_off0000cecf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCECF | 10748 bytes |
SHA-256: 57fa0a65717d10f3b6ed7efc05dbf517ed329d0a8503152bffcaf3398269be92 |
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font_01_sfnt_off0000e75e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE75E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ff70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF70 | 16588 bytes |
SHA-256: 863cd27ddcdbe7ec181fd98583d474327afc9379f4b9e0ca8fd67c884fec9833 |
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