MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF document flagged by multiple heuristics as malicious, including an ML classifier and ClamAV. The 'SE_ADVANCE_FEE_SCAM_LURE' heuristic indicates the document's content is designed to trick users into paying fees for a non-existent prize or parcel. The numerous embedded URLs, many pointing to compromised or disposable hosting, are likely part of a link farm to distribute the malicious document or redirect victims.
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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Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LUREDocument contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
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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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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://clickvay.com/upload/files/4007083228.pdf
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613aa33d4873f---54946082768.pdf
- https://songhongresort.com/img/files/333345366.pdf
- http://dlugopis.kbo.pl/ckfinder/userfiles/files/lubedevugeluxolisi.pdf
- https://biomedchita.ru/imeg_master/file/tatino.pdf
- https://ketdoanbus.com/webroot/img/files/87513633375.pdf
- https://xuantruongtech.com/images/ckeditor/files/71913851000.pdf
- http://www.w.radeton.cz/ckfinder/userfiles/files/kemalelel.pdf
- https://datajournonepal.org/files/84161618651.pdf
- http://majstrissmt.eu/www-data/file/82283018350.pdf
- https://pmcp-avac.com/files/upload-ckfinder/files/pifelatur.pdf
- https://nbcmedia.vn/ckfinder/userfiles/files/kivoleb.pdf
- http://eurekaelearning.com/upload/news/file/lavewuwumuvosuxozakugu.pdf
- http://siltherm.com/ckfinder/userfiles/files/85817014374.pdf
- http://kepco-group.com/uploaded_files/userfiles/files/jadasavat.pdf
- http://kengosushionlineorder.com/uploads/files/velis.pdf
- http://vilocom.net/webroot/img/files/32410547696.pdf
- https://sevenhillsgroup.net/ckfinder/userfiles/files/liwiral.pdf
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/447732fe8ff3e068d31ead6ceba2684c/leresixifuxakowijerizin.pdf
- http://music-summer-courses.eu/upload/files/56575721061.pdf
- http://nakajima-ya.com/upload/save_image/files/33358439186.pdf
- https://cmflower-kkc.com/ckfinder/userfiles/files/jigugapotokuvefebenojax.pdf
- https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/5qvvk5b4vt9lu0vcn4fcjde29j/73169960675.pdf
- http://drapikowski.pl/uploaded/fck_files/file/11800765003.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=come+aggiornare+samsung+galaxy+s2
- 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_off0000dee6.binf848e9940889baca6491945d07b92336c03cc39ee56845a28d55083ae202bbb0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEE6 | 10820 bytes |
font_01_sfnt_off0000f7e9.bin38edd512ec5c909cb156bfec36e2c2ab763de16f8414077c979159b517a2751e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7E9 | 19636 bytes |
font_02_sfnt_off00012af6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AF6 | 16792 bytes |
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