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 or redirecting users. The presence of multiple links pointing to compromised CMS upload directories and disposable hosting suggests a link farm designed to obscure the ultimate destination, likely a phishing page or malware download. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/gffjcujbm5e9taee3v8cq22aj0/somuvapaluvikorep.pdf
- https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/mtjglkdsaflgrj3nhb8sfdb354/69955648749.pdf
- https://smallislandcurry.com/wp-content/plugins/super-forms/uploads/php/files/0e9c141df6aa923d273e3a0aa225f03d/32792711393.pdf
- https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/f8033526374b03128ebdf01aeaaaf7dc/10700607336.pdf
- https://hogies.com/includes/template/uploads/file/67704092909.pdf
- https://babamore.com/upload/ckfinder_temp/files/20210604022827.pdf
- http://homelife-superstars.com/image/files/bogubirevazulikewalufelu.pdf
- http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160ac5c7ce38f2---zovavororatud.pdf
- https://allmassage.net/upload/file/20210514062313.pdf
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/lqgasufqqsbv7frd0hd1g4ok51/50039838823.pdf
- https://saleskerala.com/ckfinder/userfiles/files/morunixejedoxup.pdf
- https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b6309fd0797---21446812335.pdf
- http://zs-g.jp/app/webroot/js/ckfinder/userfiles/files/bufibeli.pdf
- http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/b09373654eb7db96874ecb36aba3f7c2/sebabef.pdf
- http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ae2072ee56a---64740798154.pdf
- https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/86f91d5f8e38b63dafc8acdb8842749d/67751327858.pdf
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160949e8001a6b---51806568006.pdf
- https://almuhja.net/ckfinder/userfiles/files/simaperewa.pdf
- http://castrolmintabolt.hu/images/upload/file/gakufozenosupalizakagubu.pdf
- http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084a4255fa39---jizexukimuger.pdf
- https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/doual64moelmmgj38efttacp1i/fifulepize.pdf
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/160b8e19e45192---riwumenosijexelexo.pdf
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085e578509b8---11263291336.pdf
- http://www.hussco-steel.com/husscofiles/files/nelotefibudo.pdf
- http://donaldnathanlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gasafetusibag.pdf
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8664760082---85850141475.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=what+is+a+node
- 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_off0000ee70.bin3eb3e427b39525112e769a6748c79fa7857a21559c303b840f6c697078fdda32 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE70 | 16980 bytes |
font_01_sfnt_off00011a96.bin99ddae59bcaa33879563bd2309dae2facd7660e149bbd4299fb1c4a6fda1ae27 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A96 | 10192 bytes |
font_02_sfnt_off0001316c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1316C | 16792 bytes |
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