MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories or are part of a link farm on disposable hosting. ClamAV detected this file as 'Pdf.Phishing.Trojan', and ML classifiers also flagged it as malicious. The presence of a 'download button' heuristic further suggests a malicious intent to lure users into clicking links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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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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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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 http://tienphat.vn/imagesflashupload/file/niramumepaba.pdf In PDF document text
- https://valerart.com/ckfinder/userfiles/files/2225764997.pdfIn PDF document text
- http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/161476a459f060---sawunadefeb.pdfIn PDF document text
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161417f92b5dd1---jopok.pdfIn PDF document text
- http://dezis.ru/uploads/files/nazaf.pdfIn PDF document text
- https://www.hotel-restaurant-plainfaing.fr/ckfinder/userfiles/files/dexodabokapexala.pdfIn PDF document text
- https://akvanova.ru/sites/default/files/25366774971.pdfIn PDF document text
- https://arrad.ch/modules/ck/ckfinder/userfiles/files/xawofenef.pdfIn PDF document text
- http://dennehylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/17397553480.pdfIn PDF document text
- https://cs168.tw/upfiles/editor/files/zurugufumavam.pdfIn PDF document text
- https://viettincapital.vn/upload/files/79624271546.pdfIn PDF document text
- http://dominant.name/userfiles/file/65368750473.pdfIn PDF document text
- http://www.c-l-r-p.com/admin/ckfinder/userfiles/files/78941704377.pdfIn PDF document text
- https://tenshinorchids.com/FCKeditor_upload/file/69974258936.pdfIn PDF document text
- http://amsaneeraus.fi/userfiles/files/91934414222.pdfIn PDF document text
- http://cs-golfclub.com/ckupload/files/tufamogojalekizedax.pdfIn PDF document text
- http://vallovin.it/userfiles/files/11243577287.pdfIn PDF document text
- https://banderlogclub.ru/Files/file/31002596478.pdfIn PDF document text
- http://vakantie-noordlimburg.nl/ckfinder/userfiles/files/84751191332.pdfIn PDF document text
- https://tgvl.in/uploads/fck/files/50877588887.pdfIn PDF document text
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/8edc4da009427846f9def82363c2d032/jemigenovugixobodajo.pdfIn PDF document text
- http://elvirajogsi.hu/ckfinder/userfiles/files/96932261667.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=battle+chess+game+of+kings+download+apkPDF link annotation
- 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_off0000e2c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2C4 | 18700 bytes |
SHA-256: 8474e5cdeb8ea0545f0e43b2454706131d43b26f19bff72567c9ad8d734d2e00 |
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font_01_sfnt_off000113a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113A2 | 11200 bytes |
SHA-256: 707055adf58e0ddbe20cff0af81ec8baca290993f61021622f0c139d3a3231a5 |
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font_02_sfnt_off00012d93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D93 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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