MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and the overall structure point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 6
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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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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://nomylo.ru/uplcv?utm_term=d+day+commando+apk PDF link annotation
- http://ryyw.com/upload/files/2021/09/202109261618336248.pdfIn PDF document text
- http://pastoret.it/userfiles/files/1346917361.pdfIn PDF document text
- https://hamasataccessories.com/userfiles/files/33420957391.pdfIn PDF document text
- http://kythuatviet.vn/uploads/userfiles/file/jowojategaxat.pdfIn PDF document text
- http://gmtshipping.com/attachment/file/zejaw.pdfIn PDF document text
- http://les-dvorik.ru/userfiles/file/resusumabule.pdfIn PDF document text
- http://rund.cz/UserFiles/File/bovalovowejubetelufe.pdfIn PDF document text
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/um3bovskfgcfh85ltefd5hd3rg/36325842790.pdfIn PDF document text
- https://walterchiropracticclinic.com/home/walter/public_html/ckfinder/userfiles/files/42445649363.pdfIn PDF document text
- https://trimix.bg/UserFiles/File/jogun.pdfIn PDF document text
- http://fatamorgana.fr/uploads/assets/file/vagafetiraf.pdfIn PDF document text
- http://metalzilemboeventi.com/userfiles/files/nujoruguwejaguluxunasijav.pdfIn PDF document text
- http://onroerendgoedindex.nl/images/uploads/19640546260.pdfIn PDF document text
- https://ofly.om-digitalsolutions.cn/upload/files/62111005507.pdfIn PDF document text
- http://tunglamgarden.com/images/fck/file/rivijaluxirogenes.pdfIn PDF document text
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613453b711ac0---reselifa.pdfIn PDF document text
- https://interno-kazan.ru/upload/files/17155797311.pdfIn PDF document text
- http://innovatepc.com/userfiles/file/fadivoriwinubimapej.pdfIn PDF document text
- http://tecksco.com/upload/files/36808962058.pdfIn PDF document text
- https://madhubanindiancuisine.com/nbloom/fckuploads/file/60621751039.pdfIn PDF document text
- http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/161356b4450087---kujorapenopepuruwo.pdfIn PDF document text
- https://novamakine.com/upload/ckfinder/files/remugidivepexokapu.pdfIn PDF document text
- 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_off0000ae23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE23 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c63a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC63A | 10248 bytes |
SHA-256: 8be174e140f00c9c12fbc0798dfa7bb417ed1c99073631a6ae20fa3ab66338a0 |
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font_02_sfnt_off0000dd2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD2C | 17260 bytes |
SHA-256: dd93d09f4a3d9456cedfac2675a1b5b072646dd08c1e8c51e04692fa655d39ae |
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