MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for malicious PDFs. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic and the numerous extracted URLs indicate a link farm, likely intended to redirect users to malicious sites for phishing or scam purposes. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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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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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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://ilturismoinitalia.it/userfiles/files/73723883550.pdf
- http://akcompany.vn/uploads/userfiles/file/fisijasidaridopezijag.pdf
- https://aqua2go.pl/galeria/file/denoxirinemegoze.pdf
- http://tumwebthailand.com/ckfinder/userfiles/files/26243613176.pdf
- https://tomclarkvoiceovers.com/userfiles/files/5706938151.pdf
- https://gitteszoneklinik.dk/ckfinder/userfiles/files/15208110294.pdf
- http://www.sec-ollivier-associes.fr/www/upload/file/raxipitulibivolu.pdf
- http://yuanhebiotech.com/upload/files/3463506657.pdf
- http://huyndaicaudien.com/upload/files/54241412927.pdf
- https://aneri12.eu/res/file/75374804531.pdf
- http://arcos-eff.it/userfiles/files/linisaf.pdf
- https://ykitraders.com/UserFiles/file/29820055863.pdf
- https://apaman.ti-am.jp/js/ckfinder/userfiles/files/20190037876.pdf
- http://dwallacelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/38440919796.pdf
- http://friend5190.xyz/js/ckfinder/userfiles/files/94135160565.pdf
- https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/1613082df551f4---gavomirifisisopaket.pdf
- http://vina2002.com/uploads/files/fogododis.pdf
- https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/a2123e51b4f6a0b14df1043eeda20932/52208974987.pdf
- http://keacg.com/upload/files/lorujumivesaz.pdf
- http://hasanmasat.com/ckfinder/userfiles/files/roveboselituwex.pdf
- https://bela.geekers.tw/upload/file_folder/file/fawinus.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=first+name+last+name+chinese+example
- 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_off0000bc87.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC87 | 16792 bytes |
font_01_sfnt_off0000d49e.binfabe07facee65267e882c959bb2660f5f2a5656524c2f20ebb45431347298d75 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD49E | 10600 bytes |
font_02_sfnt_off0000ec9c.binfc778b6b974bb1948ef3b52ffdb7add2e6a84d4576ef72b8038408197e0c547c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC9C | 18164 bytes |
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