MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous embedded URLs that point to compromised WordPress upload directories and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URI indicators and compromised CMS upload links strongly supports a phishing or malware distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://coretry.ru/uplcv?utm_term=my+first+makeover+game PDF link annotation
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/16134d64548356---gizigasulabutiba.pdfIn PDF document text
- http://dcbestwings.com/uploads/files/bebolirolakowonivow.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/16143cf93a083b---jupasexuranera.pdfIn PDF document text
- http://jiuxingchaoshi.com/uploads/file/020311372639.pdfIn PDF document text
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/c92707fc9992b02aca4999f98d242d02/wixos.pdfIn PDF document text
- http://snap-drone.com/userfiles/file/vokoxepuva.pdfIn PDF document text
- http://tnslib.net/userfiles/files/82836473271.pdfIn PDF document text
- https://tvmreza.tv/ckfinder/userfiles/files/80942374601.pdfIn PDF document text
- http://krajinar.cz/soubory/files/79899549978.pdfIn PDF document text
- http://prestizhstroycompany.ru/SITE/files/editor/file/81960309863.pdfIn PDF document text
- https://sdudyogtechnologies.in/ckfinder/userfiles/files/ritapu.pdfIn PDF document text
- http://daming-school.com/userfiles/file/xegowoginixakigofaza.pdfIn PDF document text
- https://parfumzone.ro/files/file/74632088536.pdfIn PDF document text
- https://nvsrolko.org/ckfinder/userfiles/files/piwomubagoguse.pdfIn PDF document text
- https://art-gallery.mn/uploads/files/pujofudepibulixi.pdfIn PDF document text
- http://gd-weimi.com/upfolder/e/files/20210902142615.pdfIn PDF document text
- https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/124e7050fc74dab8177ffdf8cd538731/43450924621.pdfIn PDF document text
- http://fcvperu.org/data/fcvperu/userfiles/file/94288864439.pdfIn PDF document text
- http://abwcolley.com/uploads/files/tixajan.pdfIn PDF document text
- http://ckattorneys.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jubofo.pdfIn PDF document text
- http://refah4ter.info/basefile/hotelrefah4terir/files/86741008779.pdfIn PDF document text
- https://postelezmasivu-praha.cz/ckfinder/userfiles/files/gukux.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_off0000da53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA53 | 10672 bytes |
SHA-256: 88bb0ca790fc5cd0943e7d54d5550caf11394023984ca3326f951c5edf46306a |
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font_01_sfnt_off0000f2ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2EA | 18076 bytes |
SHA-256: 3312eb7bdefec7f7cd84ab5129880b237f512bfcc21c73b881a60110124fce54 |
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font_02_sfnt_off000122ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122AE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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