MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to external resources, many of which are hosted on compromised CMS uploads or disposable domains, indicating a link farm designed to obscure the final destination. ClamAV and ML classifiers identified this PDF as malicious, specifically flagging it as a phishing trojan. The presence of multiple suspicious URLs suggests an attempt to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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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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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://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/dbc93b4ba36bba7eec65e06d41709e2d/duzumosilakuxapoku.pdf
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/707072819ed82aef1b0b9dac4875e584/bekededebaravizadatud.pdf
- https://soudurelauziere.ca/upload/editor/file/7594094120.pdf
- http://www.dilipprabhavalkar.com/images/file/pijenukewizoxidiguri.pdf
- http://niestachow.pl/data/aktualnosci_imgs/file/31503683841.pdf
- http://jngf.cn/files/file/7152529603.pdf
- https://toptenstudy.com/upload/files/BodyFile__60ECABE3EEEAE.pdf
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/648e6daec4d558c5e1ace7746e938cb6/latuxukifatedowu.pdf
- https://activepymes.com/pub/file/452609959.pdf
- http://i-daa-wl.de/userfiles/viwewirasu.pdf
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/3e5c461732b288c59ef87b0a9ba1a71c/78236286484.pdf
- https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/1e553f55eb8b65846fe1d2be9390fe5e/mivokol.pdf
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160c51ea685ed1---4251040648.pdf
- http://humanitool.ru/userfiles/file/saduwopekepo.pdf
- http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/hkdpb1o1rvnb7fn3shgtophm0i/zobusufele.pdf
- http://zavalinka.by/var/upload/file/86471529438.pdf
- http://galluccifaibano.com/userfiles/file/22720887323.pdf
- https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160db8d518d8ab---43588479724.pdf
- https://istanajpdua.com/contents//files/putajifovagarurubam.pdf
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/4b8233c3a57a3f02e5555f9cc5ba9cb4/rumojutazizadavejewadovab.pdf
- https://globalcareerclub.com/FCKeditor/userfiles/file/wofokinore.pdf
- http://chanakyaaerospacedefence.com/userfiles/file/18768180843.pdf
- http://xn----7sbakn3aoflleitf3m6a.xn--p1ai/userfiles/file/juzapafuparilokulipuzi.pdf
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2796f906a4---37657123922.pdf
- http://jtour.vn/userfiles/file/47052256192.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=orat%C3%B3ria+para+advogados+e+estudantes+de+direito+reinaldo+polito+pdf
- 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_off0000d22e.binfffad2583b1a5c90caea8a52cdf7f351eb758902cfc2709521cdc4b90f89c262 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD22E | 18720 bytes |
font_01_sfnt_off0000fff8.bin0e27bb05a8527133850764f192922503befc324e60e97279749e938b1faccdee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFF8 | 11000 bytes |
font_02_sfnt_off00011947.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11947 | 16792 bytes |
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