MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file detected as malicious by ClamAV and an ML classifier. It contains embedded JavaScript and numerous external links, many pointing to compromised WordPress sites or disposable hosting, suggesting a phishing or malware distribution attempt. The embedded JavaScript likely facilitates the redirection or download of malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9918
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://loctra.net/userfiles/file/57740447784.pdf
- https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/a5nq0osfnup7vt8dldlemis8o8/ruvezu.pdf
- http://dianacb.cz/userfiles/file/porupem.pdf
- http://bigandtallking.com/userfiles/file/sepufasatis.pdf
- https://pottoka.info/files/galeria/files/20134923160.pdf
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/4458a7216df4a56a3e7f0280648ace11/13012746922.pdf
- http://fishtech.org/uploads/userfiles/file/file/xedebesilegirig.pdf
- http://arserwood.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210520064003604009sgvz81.pdf
- http://chnli.tw/CKEdit/upload/files/zixopowivawojiwikutasibu.pdf
- https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/60cee8d6d73cd18698f8baf5315a74dc/vudomed.pdf
- https://isosklo.cz/uploads/7214917183.pdf
- https://southtours.com/wp-content/plugins/super-forms/uploads/php/files/4mq2gm7b7i328bpevqs6regv36/dokagedijar.pdf
- https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/c7nv6hlk9qdt34m7jk2t2mk7ok/vojevusow.pdf
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/4buqvkj6el75u1fm0s8g9r1qti/lituzajakegipi.pdf
- https://gyandeepjkss.org/userfiles/file/fedegoru.pdf
- http://ghrnightinwhite.com/clients/7/72/721f26fb9237119891afe8d29dbdfc29/File/lizejiruji.pdf
- http://personnelstrategies.net/userfiles/file/jazorugogipaxipotomopokod.pdf
- http://thunderstar.cn/userfiles/file/20210501072855795793765.pdf
- http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/0741a8491fee185268cc5ec13d9881fe/6581114764.pdf
- http://sattamatkapatti.com/userfiles/file/xivomapobuwotumoj.pdf
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/24446b52c19be9eaa6b497cce532da09/33089722156.pdf
- https://quickonboarding.com/wp-content/plugins/super-forms/uploads/php/files/3f97d7f43905de237856a4c0593fe035/54499148186.pdf
- https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/akmvmbfllt1btqic3idsrjm623/xowasulapisoviwetot.pdf
- https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/o33e8725ih2352ap4j1ic1k7pm/falosedisewa.pdf
- http://aarogyamedico.com/userfiles/file/dazibepakavodaxog.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=brussel+sprout+appetizer+with+bacon
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f6c5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6C5 | 16792 bytes |
font_01_sfnt_off00010ed7.binca454eb05a08007e871bc2d1c49461b3603702e2407bf639d3cfa211fbaaf7f6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ED7 | 17432 bytes |
font_02_sfnt_off00013c9b.bincfd9e39434432abadfa214e14d707642b0ba2262c01cdb137b3dac37ffbeac5e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C9B | 10908 bytes |
font_03_sfnt_off000155b9.bin5dbfc0d67acdc70a0d4f078c02db6678a92e4d74825a5c144e16bfb972144fcf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x155B9 | 16696 bytes |
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