MALICIOUS
172
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document containing embedded JavaScript, which is a common technique for executing malicious code. It also features numerous external links, some pointing to compromised WordPress sites and others to disposable hosting, suggesting a link farm or phishing lure. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 8
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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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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 https://immobiliareincentro.it/allegati/file/menimitezufu.pdf
- http://meijialx.com/ckfinder/userfiles/files/difafanuliz.pdf
- https://www.pension-chevaux-haras-gabereau.fr/ckfinder/userfiles/files/76555984554.pdf
- http://gold-carsales.com/js/upload/files/wekefijidodozaroxizam.pdf
- http://www.polni.si/Images/files/30013261097.pdf
- http://vanillasky-ch.com/images/files/2832690353.pdf
- http://missteenqueenuk.com/userfiles/file/kizip.pdf
- http://amghanoi.com/images/ckeditor/files/57004535435.pdf
- http://salamatekhanevadeh.ir/ckeditor/files/files/94274704976.pdf
- http://yunnanyingxiang.com/ckfinder/userfiles/files/visedakowovedagegewawup.pdf
- http://taaltoetsvo.nl/userfiles/file/40773975533.pdf
- http://www.mueblesgamez.com/ckfinder/userfiles/files/vejanonaxulerisimamurapo.pdf
- http://corising.info/sa_upload/userfiles/file/20210916064508.pdf
- http://www.pattyn360.com/upload/forum/files/44024487055.pdf
- http://boldogelet.hu/media/52860146884.pdf
- http://ankaraeksioglu.com/resimler/files/sifosukubotakebedat.pdf
- https://xpress2.eu/ckfinder/userfiles/files/55318783078.pdf
- http://zsmnowakowski.pl/userfiles/file/99759932452.pdf
- https://festival-bg.com/media/ckuploads/files/55771198623.pdf
- http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16140e86082ab4---94968830249.pdf
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/376n8djjqlrm315c3vcb0pk0oc/lonatesamegad.pdf
- https://plewmal-d.com/Uploads/files/84738125293.pdf
- https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/69e0e9bc3af0e0f62cc587de2c2b0da6/14721742537.pdf
- http://outspokenholland.com/userfiles/fckFile/20210912235844.pdf
- https://incoyun.com/calisma2/files/uploads/64248763350.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=camera+360+old+version+download
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d9ad.bin00c7285c3d0153e6907d51f9bab13c3165202efb68942f3e291bb3ae2bc377ee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9AD | 18180 bytes |
font_01_sfnt_off0001090c.binb696adb9a511656d2fdf0aa5a4ee52f300b3c4d5621805872032d56c28b93bad |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1090C | 10956 bytes |
font_02_sfnt_off00012277.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12277 | 16792 bytes |
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