MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ML classifiers and ClamAV, with heuristics indicating embedded JavaScript and a link farm pointing to compromised WordPress uploads. The embedded JavaScript likely facilitates the redirection to external URLs, which are numerous and hosted on various domains, suggesting a phishing or malware distribution scheme. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports the attack pattern of luring users to potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/161368084b5d21---pekexabulemokin.pdf
- http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/34d310457c5bd682116198c4a59282dd/duxudavaxelalozepawox.pdf
- http://inbiosa.eu/static/cfiles/files/ninuzowo.pdf
- https://trinityautorepairs.com/uploads/files/pokogukegirasuxanikukesix.pdf
- http://zopos.zohukum.com/ckfinder/userfiles/files/38397780645.pdf
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161417265ee269---17129690897.pdf
- https://agencement-menuiserie-var.fr/stockages/files/18919992332.pdf
- https://mayphotocopydogia.com/upload/files/pojujoropegugunopen.pdf
- https://accounting789.com/ThImg/file/83746717007.pdf
- http://thanhnienxp.com/vietkiendo/upload/file/72666837521.pdf
- http://madmojo.com/fckupload/file/22703031394.pdf
- https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613295af34c58---58036555701.pdf
- http://condominiobrisasdelnorte.com/userfiles/file/nozojusazigoxikozuk.pdf
- https://www.alitec.es/js/ckfinder/userfiles/files/ravegudadakujidebonup.pdf
- https://bodzlomu.com/userfiles/file/lavozakavinanas.pdf
- https://beaszemin.com/files/54300657664.pdf
- http://www.jasolasia.com/image/upload/File/70786395560.pdf
- https://aynispirit.nl/userfiles/file/jofov.pdf
- https://valleyrentals.com/userfiles/file/jinar.pdf
- https://khambenhxahoi115.com/images/files/wibugoko.pdf
- http://cieplej.pl/imgturysta/file/16926065210.pdf
- http://evola.it/userfiles/files/donin.pdf
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/2a5f20945a619d58773443f3dbdf21e8/69966365963.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=image+processing+using+opencv+in+android+studio
- 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_off0000d5c4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5C4 | 16792 bytes |
font_01_sfnt_off0000eddb.bin30415764efa09c3a3616c2f3e550e7edfefcaac6cb1f34a1a742263ef60c8615 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDDB | 10928 bytes |
font_02_sfnt_off000106eb.bin9b6bf815d8e44d14d59177da2599b052970b4f0da644b517db353d2ac84ce5a7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106EB | 18712 bytes |
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