MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code. It also features a large number of external links, many pointing to compromised WordPress sites, suggesting a phishing or credential harvesting attempt. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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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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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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://ildiko-szepsegszalon.hu/userfiles/file/54560932985.pdf
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16100d7c12e769---dabodagafusotazalepijadi.pdf
- http://winso.tw/userfiles/file/nudusijalazi.pdf
- http://due.pt/js/ckfinder/userfiles/files/57919581896.pdf
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/ad0a4f3b5fb7ed1eea231e5349ff918b/82335000858.pdf
- https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/e39861b71745763166592453b8f6ef06/mamobezogijezeluzuteroni.pdf
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a78c60d732b---tasasumisuvo.pdf
- http://eastendmediation.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/12609279387.pdf
- http://ferrogep99.hu/static/media/file/40807997642.pdf
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/1608757729681c---72325190607.pdf
- http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086e773ee24a---74189668233.pdf
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079fabd44903---74765279976.pdf
- http://zhodnoceni-penez.cz/is/images/FCKeditor/File/6200185583.pdf
- https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d3777a56800---xisivedapetenevubog.pdf
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160837efd38922---25510162494.pdf
- https://houstoncoinshow.org/FCKeditor/file/degofa.pdf
- http://aliglobshop.com/userfiles/file/monitu.pdf
- http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/d2218b2ecacc46b8c0019c0fe2c3407b/podefitedolegowemas.pdf
- http://szyoujin.com/UploadFile/file/20210805172744970.pdf
- http://hangtatmj.com/userfiles/lojumonike.pdf
- https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609ded15d6791---77980042176.pdf
- http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/177bdcdc8323568b2a6b30bdcb0082df/kasenumiburuzexezedin.pdf
- https://ivanda-commerce.hr/userfiles/file/gaseboxegawoki.pdf
- http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2f3710d0a9---84584469389.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=create+your+own+weight+loss+tracker
- 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_off0000e99a.binbdca30dfc377c76fa63ba91357648103add1307b9a261c8452d2f4884619f84c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE99A | 10932 bytes |
font_01_sfnt_off000102f7.binfb8173012d471d6e45ae9685b3cbab53cf733e40ce46c82bb71d629854bdf612 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102F7 | 17008 bytes |
font_02_sfnt_off00012f7f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F7F | 16792 bytes |
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