MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for delivering malicious content. Heuristics indicate it functions as a link farm, directing users to compromised or disposable hosting sites. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9928
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://tractorpulling-emmeloord.nl/upload/file/78775199303.pdf
- http://amoy-art.com/Upload/file/mifanigevojiselaref.pdf
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fd560a7553---bapov.pdf
- http://www.park-seversk.ru/other/js/ckfinder/userfiles/files/paberuxegag.pdf
- http://fontanarosaserigrafia.it/userfiles/file/12072881581.pdf
- http://zubrcup.by/files/files/68933714713.pdf
- https://hanyauntuktesting.com/contents/files/66125088344.pdf
- http://bydnjl.com/userfiles/files/23955365711.pdf
- http://synowka.pl/galeria/file/nifisekazuje.pdf
- https://communeouchamps.fr/userfiles/file/lutimod.pdf
- https://keongracun.org/contents//files/42756977888.pdf
- https://gym-rectif.fr/ckfinder/userfiles/files/25454189266.pdf
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/k1fs473qpqtiu4rpqmgnf6dhr7/77168632032.pdf
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/161003dc00cf61---takitukefuxazej.pdf
- http://locthanhwindow.com/img_duhoc/files/8091442704.pdf
- http://thedewakohchang.com/image/upload/File/1347282069.pdf
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b50e650d98---26909215414.pdf
- https://xn----9sbccjdbca7cyaieg1a3j.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/31be1d2820adf86fe6d5a468983d2c81/wevaboziwejetedopolavag.pdf
- http://kadet-ck.cz/pic/file/degezazulolezajajoxudifen.pdf
- http://olympicwroclaw.pl/zdjecia/fck/file/gusegeposunelazida.pdf
- https://englewoodgrassfarm.com/wp-content/plugins/super-forms/uploads/php/files/f08a3b121c030a940957796fa1fcd3f4/gegagetur.pdf
- http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608165f44b0a3---65848147067.pdf
- https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/16118ca94d7216---ditopinomido.pdf
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/u3l7kaas039lqhk1k4u9gfpos1/89294735500.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=challenging+integer+word+problems+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_off000114b3.bine4c6b79dac1eb6346e5afed627dee1f077549269b090ba77a7650696911d933d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114B3 | 11204 bytes |
font_01_sfnt_off00012e5e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E5E | 16792 bytes |
font_02_sfnt_off00014670.bin9c250e81481c763f14b0c4692a9a094535b97c1abb446e7bca4597d5e4dcf68d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14670 | 19244 bytes |
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