MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users. The presence of external URIs and the overall structure indicate an attempt to lead the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://waycreon.net/bhaskar/yii/upload/files/wafitu.pdf In PDF document text
- http://headrepublic.pl/images/files/30080482120.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161313b2c6db93---nefuzosemetonob.pdfIn PDF document text
- http://tranindo.com/Uploads/userfiles/files/rapakoxumabawisotikofojit.pdfIn PDF document text
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/uamf4d9oc6vqfb8d4kvufof9v7/nofowogakimotenegol.pdfIn PDF document text
- https://manpowernepal.net/ckfinder/userfiles/files/19842988899.pdfIn PDF document text
- http://likuidart.com/files/ckeditor/files/wesotalof.pdfIn PDF document text
- http://mecateengenharia.com.br/ckfinder/userfiles/files/votisuwefawemixaxuvaropa.pdfIn PDF document text
- http://eluvial.com/sites/all/sites/eluvial.com/files/natiliwowaxadotejopi.pdfIn PDF document text
- https://hotel-la-licorne.fr/userfiles/file/ranabajugat.pdfIn PDF document text
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/161302947ce543---ludelatatave.pdfIn PDF document text
- http://majorpropertygroup.com/userfiles/files/65639928410.pdfIn PDF document text
- https://speculatio.in/ci/userfiles/files/38454138946.pdfIn PDF document text
- https://feng-shuiworld.com/userfiles/file/75578128864.pdfIn PDF document text
- https://dycmc.com/DATA/upload/files/202109042234424501.pdfIn PDF document text
- http://homeshopeez.com/uploaded_files/userfiles/files/18876956175.pdfIn PDF document text
- http://epmresearch.org/userfiles/files/4672481719.pdfIn PDF document text
- http://ark-mr.com/data/home/qxu2063190031/htdocs/uploadfile/files/wejebovezuwojexasubosak.pdfIn PDF document text
- https://digireg.li/upload/lazimoduj.pdfIn PDF document text
- https://jazykovytabor.topenglish.sk/app/webroot/gallery/files/boganoxorilularevateba.pdfIn PDF document text
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613efe2a7c6af---gijuzodobuzox.pdfIn PDF document text
- http://skupka54.ru/upload/m/weduxugokatexowizafot.pdfIn PDF document text
- http://vstarmp.cn/upload/files/20210916_071427.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=gotardo+anime+appPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c82f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC82F | 10376 bytes |
SHA-256: 22dd2afad0602acc84084927e23465d0ba7d71aae76f552ba9aeeee22f7b6d63 |
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font_01_sfnt_off0000df9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF9A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f7ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7AC | 17104 bytes |
SHA-256: e9a66589508343e119176a516fa5efb8009d3da7c4984869560a96b98450fc5c |
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