MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and numerous external URIs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9784
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/44919ca25170bef7bf5d3e8ce0dae7e9/tatonoropudajukofatevikol.pdf
- http://paliukenas.lt/i/File/43985658251.pdf
- https://allmassage.net/upload/file/20210629074516.pdf
- http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/160c91674452ff---3551376058.pdf
- http://www.trafikyaren.com/wp-content/plugins/super-forms/uploads/php/files/fbu8bas8hhfr60miqo7vb8m4s1/43790658706.pdf
- https://fotovipvercelli.it/file/xozepaf.pdf
- http://learningkey.org/userfiles/zoxutitasunokal.pdf
- http://technoculture.cz/admin/upload/file/pimewinivurabesuwive.pdf
- https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/1b5f0d72eba2e37420f332f228a7325a/95964534889.pdf
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160db9099228b7---63304932534.pdf
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160706c65a8627---rexuze.pdf
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f883696d2f---90656120165.pdf
- https://www.treehousecare.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf9464e367---gafopasadubizuwija.pdf
- http://animalscipublisher.com/files/upfiles/file/5878192068.pdf
- https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160886416b059a---vumaralazopozugofelavexed.pdf
- https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/0e69eefa38086561758f07472fcd5d03/sinerebu.pdf
- http://braghieriarchitettura.com/userfiles/files/40354120969.pdf
- http://tz5168.com/uploadfile/image/2021/06/30/file/20210630_073552_108.pdf
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d49e2957a09---94106816203.pdf
- https://chachachat.info/js/ckfinder/userfiles/files/52211653349.pdf
- http://pizzeria-millemiglia.de/app/webroot/img/editor/file/vudenopovipodetisufanubaz.pdf
- https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/f56830b2216d53e6636ed64498ac5a5f/84594831735.pdf
- http://aapltd.net/userfiles/file/33070700389.pdf
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607aec3454e47---xelixefidifabotipadi.pdf
- http://www.assignproject.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f21e3a418d---63969438149.pdf
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b75f229ce1---nenebefevorunesosiviro.pdf
- http://jncs.kr/page_data/file/20210525083339.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=love+the+psychology+of+attraction+pdf+download
- 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_off0001238a.bin38fd5ad83876d69bdf228d3a86133056d259da34296edb8c5aa33aeffeccf328 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1238A | 17468 bytes |
font_01_sfnt_off0001511d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1511D | 16792 bytes |
font_02_sfnt_off00016934.bine3427a7577e453beb3150ee4185fa031325fa2e2a6993cc2f2ad6a3ee645df79 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16934 | 11120 bytes |
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