MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The file functions as a link farm, directing users to multiple compromised WordPress upload directories and other disposable hosting sites. These links likely lead to further malicious content or exploits.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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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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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 http://teifsepahan.com/files/file/tomibajij.pdf
- https://fcr-fomentoconsumoerenda.com/uploads/files/xodadijozivarevefelumo.pdf
- https://www.waterlooarmsnewforest.co.uk/wp-content/plugins/super-forms/uploads/php/files/49305df948d3a02b4c390827e18194c5/laximaxukolotusibatififo.pdf
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16072f196706f4---39038551031.pdf
- http://guitarenko.fr/img/files/pomodaremotudufoz.pdf
- https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/304988df018fe862f84b31528853aa5f/31105155041.pdf
- http://ypperfect.com/ckfinder/userfiles/files/83023207255.pdf
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612e0fbd5b196---1069052921.pdf
- https://zemiigori.com/uploads/file/1659484114.pdf
- http://lsbwg.com/ckfinder/userfiles/files/20210901/015312277.pdf
- https://psg66.ru/admin/ckfinder/userfiles/files/mepitopomadebowarak.pdf
- https://kurashi-kyoiku.com/cms/dat/upimg/file/gusiwiwulapewulekibuwisos.pdf
- https://lion-trading.co.uk/wp-content/plugins/super-forms/uploads/php/files/5nc8njkgcjs82e507pri4tnr21/xoxejado.pdf
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f300520e0a---99294606459.pdf
- http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609443b169723---dobapal.pdf
- https://areicon.com/images/file/kekojejudifuxizemuxudomu.pdf
- http://sjar-tech.com/uploadfile/file///2021070511542939.pdf
- http://magnumprint.ru/upload/files/17262774821.pdf
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/160944820e50da---talipemogudiv.pdf
- http://lecieldesandes.fr/ckfinder/userfiles/files/difedixadiluwap.pdf
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/634ejet06qbhh17dqg65fpta9t/xenelelajoteza.pdf
- https://artenika.pl/fck/file/35508542877.pdf
- http://greenbiotech.vn/uploads/userfiles/file/56996278961.pdf
- https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/1609d432e9315c---weborasesomawavulewufizin.pdf
- http://daimarconstrucciones.com/images/admin/file/waxebaxo.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=latent+semantic+analysis+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_off0000c42b.binac01f6379d6b8edd618d81420f872ec3666a9ae63bd40deb8dbdc57dfc3baf2a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC42B | 17608 bytes |
font_01_sfnt_off0000f1f8.bin468ea4fae4650258fb49a0fe5108c892c521c96845ada6e3004cf3e657e86d0a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1F8 | 10632 bytes |
font_02_sfnt_off00010a4b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A4B | 16792 bytes |
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