MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
This PDF file was flagged as malicious by a ML classifier and ClamAV. It contains numerous external URIs and link farms, with several pointing to compromised WordPress upload directories and disposable hosting. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the presence of many links suggests an attempt to redirect users to malicious sites for phishing or malware delivery.
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://krisoc.ru/uplcv?utm_term=on+the+road+jack+kerouac+themes PDF link annotation
- http://liily.jp/upload/file/20210907143703.pdfIn PDF document text
- http://gloria-eurex.com/images/blog/file/libotop.pdfIn PDF document text
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/161459cf20a01d---vilibulolune.pdfIn PDF document text
- https://mkart.it/uploads/file/rinumenivosadet.pdfIn PDF document text
- http://vititanon.com/user_img/files/sebamewadawatudubederedaf.pdfIn PDF document text
- https://casalindasbakery.com/ckfinder/userfiles/files/70696277119.pdfIn PDF document text
- https://magic-ray.shop/uploads/files/83474321888.pdfIn PDF document text
- https://giriconsultancy.com/content_files/files/wetov.pdfIn PDF document text
- https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/5c7697245752f5efa0ad717c62cccbb1/tebilopanodakapod.pdfIn PDF document text
- http://falconltd.pl/cache/file/vikakelumokeruwax.pdfIn PDF document text
- http://cbstav.cz/file/5500864431.pdfIn PDF document text
- http://dsagco.com/Upload/file/6722767016.pdfIn PDF document text
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/1614baeee6f472---denitawebufevokese.pdfIn PDF document text
- http://logistra.fr/ressource/site-image/files/bekisujovupofep.pdfIn PDF document text
- https://ostrichtours.com/ckfinder/userfiles/files/75077502762.pdfIn PDF document text
- http://gzky.cn/dubeite/ckfinder/userfiles/files/20210927_190326.pdfIn PDF document text
- http://jarosi.hu/files/file/xijitexenolabimarerofon.pdfIn PDF document text
- http://theemasternetworker.com/ckfinder/userfiles/files/90084762829.pdfIn PDF document text
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/buk6ufeslmhdf7avodu4brcpp3/21892098886.pdfIn PDF document text
- https://www.campacinter.com/image/upload/File/ramanonepevukovejegige.pdfIn PDF document text
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161421ae9adcce---15944198405.pdfIn PDF document text
- http://myappartement.de/web/editor/files/7887415658.pdfIn PDF document text
- https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614b84e82abec---wised.pdfIn PDF document text
- https://associazionemusicaviva.it/uploads/file/89892208393.pdfIn PDF document text
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/161304cfc4b74d---65970144074.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_off0000b32d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB32D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cb44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB44 | 10844 bytes |
SHA-256: a47a36fe2c9ad6c46874b6ec7bda145cffc2c6456c9fe71ca14c43fd07287c82 |
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font_02_sfnt_off0000e435.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE435 | 15848 bytes |
SHA-256: 8c0d7ae0f25849e80017b6b8030ea89d18cfe83012ad299c429a6efce6eb3436 |
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