MALICIOUS
102
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file that contains embedded JavaScript, which is a common technique for executing malicious code. The file also exhibits characteristics of a link farm, with numerous external URIs pointing to potentially malicious domains. The ClamAV detection further supports its malicious nature, identifying it as Pdf.Phishing.Trojan. The combination of embedded scripts and a large number of external links suggests an attempt to lure users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier suspicious score 0.3499
Heuristics 5
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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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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://pixomot.ru/uplcv?utm_term=best+android+system+repair+app PDF link annotation
- http://drumlockingclamp.com/FCK_Editor_Images/files/wifediwoka.pdfIn PDF document text
- http://anticacarsulaeborzoi.eu/userfiles/files/siwebumogigagejovel.pdfIn PDF document text
- https://accidentmatters.com/ckfinder/userfiles/files/66383854760.pdfIn PDF document text
- http://www.mbk-montage.nl/ckfinder/userfiles/files/bajalozidutopuwog.pdfIn PDF document text
- http://china-engine.net/ckfinder/userfiles/files/zonasu.pdfIn PDF document text
- https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16130b16876036---98323638936.pdfIn PDF document text
- https://huaku3c.tw/uploads/files/202109081756379895.pdfIn PDF document text
- http://nokianhakkablue.ru/ckfinder/userfiles/files/36732625721.pdfIn PDF document text
- http://kurumakaitori-one.com/js/upload/files/85096360371.pdfIn PDF document text
- https://cuacuonbentre.com/upload/files/21716469824.pdfIn PDF document text
- https://polandpools.com/contents/files/linofotizaputoru.pdfIn PDF document text
- http://reliancefla.com/admin/images/file/ligafo.pdfIn PDF document text
- http://studio70.eu/userfiles/files/81033600576.pdfIn PDF document text
- http://jysfh.com/upload_fck/file/2021-9-7/20210907025821991296.pdfIn PDF document text
- https://losaltos.com/wysiwygfiles/file/sosopirajopujomuri.pdfIn PDF document text
- http://pbpharm.com/upload/files/92991758209.pdfIn PDF document text
- http://studioschicchi.eu/userfiles/files/6860089405.pdfIn PDF document text
- https://renhedc.com/uploads/files/202109061303199879.pdfIn PDF document text
- https://www.sonorisation-auxerre.fr/ckfinder/userfiles/files/rokefolibusebekeriwinob.pdfIn PDF document text
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/c55c665e777b45fbb073479917f7a30f/takopafitakekikegenadov.pdfIn PDF document text
- https://cape-electronics.com/media/file/xikurowosezovivezaki.pdfIn PDF document text
- https://dhesient.com/media/digilagezaporugifis.pdfIn PDF document text
- http://veitali.com/upload/files/37837707015.pdfIn PDF document text
- http://kbidc.kr/upload/editor/file/1630971052.pdfIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e8a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8A7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000100be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100BE | 10672 bytes |
SHA-256: a8cfd2caa5116d63344dd71a1fd2bed5d3b75b82ff6886a2761eaa56f19105f8 |
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