MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The presence of embedded JavaScript and numerous external URIs, including one pointing to a potentially disposable host, suggests the document is designed to exploit users. The 'SE_DOWNLOAD_BUTTON' heuristic further supports the idea that the document contains a deceptive call-to-action to trick users into downloading a payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://synerhu.ru/uplcv?utm_term=what+to+say+on+email+when+sending+cv PDF link annotation
- http://fullerton.kopanramen.com/uploads/files/7830869654.pdfIn PDF document text
- https://bangprice.com/bangprice.com/beta/cms_image/file/wufolegavur.pdfIn PDF document text
- https://nergizleryapi.com/image/files/80297456902.pdfIn PDF document text
- https://www.sistemkabin.com/ckfinder/userfiles/files/kefobudewapatu.pdfIn PDF document text
- https://takitech.hu/userfiles/file/telamifixipaguwojipowexek.pdfIn PDF document text
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136cceb1b42c---93612558936.pdfIn PDF document text
- http://rockpapersun.com/upload_mce_image/file/33480498017.pdfIn PDF document text
- https://stichtingech.org/ckfinder/userfiles/files/72101926171.pdfIn PDF document text
- http://archgeo-leszno.pl/uploads/userfiles/files/7554029207.pdfIn PDF document text
- https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/14e3e4199baa48235108f3015fb08277/sitakamuzepaz.pdfIn PDF document text
- https://alummaswaja.com/yii/sdbalikpapan/home/images/upload/files/1917314259.pdfIn PDF document text
- http://tatnhapkhau.com/ckfinder/userfiles/files/takuxoxuzufudorelat.pdfIn PDF document text
- https://deitratech.com/userfiles/file/50944463687.pdfIn PDF document text
- http://dailymaytrogiang.com/userfiles/files/70902165567.pdfIn PDF document text
- https://bankkartya.hu/js/ckfinder/userfiles/files/netebeminopemepapipomi.pdfIn PDF document text
- http://thuonghieutoancau.vn/uploads/files/28726429528.pdfIn PDF document text
- https://propertiproperty.com/Uploads/userfiles/files/karakexuxonagizuseku.pdfIn PDF document text
- http://lachina.cn/upload/file/5063862477.pdfIn PDF document text
- http://www.psyforyou.nl/upload/fckeditor/file/piburulapoginib.pdfIn PDF document text
- http://mrtowing.ca/Lawyers/userfiles/file/pufaxigokezuwewamif.pdfIn PDF document text
- https://lighthousemacau.com/html_upload/file/sovedidimodugi.pdfIn PDF document text
- http://stowarzyszeniemalyksiaze.eu/img/upload/files/27033956863.pdfIn PDF document text
- http://spaconsulting.pl/userfiles/file/tadoxefosam.pdfIn PDF document text
- http://sgpeo.pl/users/file/35574990113.pdfIn PDF document text
- https://siltri.com/fck_upload/file/31178277733.pdfIn PDF document text
- 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_off0000dd55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD55 | 17396 bytes |
SHA-256: c77246395bec477bbf1b0e95d143c3cab6d883e069d81e5e819d0414ad89d5b7 |
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font_01_sfnt_off00010a2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A2A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012241.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12241 | 10976 bytes |
SHA-256: d305686f12a8fddb6d4b97940ea4f2522cab913a39974f2ae9c00401ec56f2b1 |
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