MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs that point to various domains, many of which appear to be compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall structure strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://synerhu.ru/uplcv?utm_term=among+us+on+online+free PDF link annotation
- https://rosebankprimary.co.za/inc/ckfinder/userfiles/files/derarubovafadafigil.pdfIn PDF document text
- http://qianlong99.org/ckfinder/userfiles/files/47556362800.pdfIn PDF document text
- http://uniradioweb.info/userfiles/file/dipebiwubefajodojidoru.pdfIn PDF document text
- https://chezgregoire.fr/userfiles/27511259024.pdfIn PDF document text
- http://havefuntogether.com/image/upload/File/nubukajipivebodigekalego.pdfIn PDF document text
- http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/d3a64706df04e365ee130022a515e912/14568043008.pdfIn PDF document text
- https://implant-drill.com/userfiles/file/getuladejivi.pdfIn PDF document text
- http://bio86.fr/userfiles/fichiers/7174845215.pdfIn PDF document text
- https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/t35bkcggnhgjkdcsecl14lkfpu/bixafarazerazowoved.pdfIn PDF document text
- http://anoh.net/pds/userfiles/files/34113540993.pdfIn PDF document text
- http://jszl-rolls.com/filespath/files/20210917143804.pdfIn PDF document text
- http://hgbs.de/userfiles/file/2213399297.pdfIn PDF document text
- https://pt-joker.com/contents/files/97734248681.pdfIn PDF document text
- http://devison-matras.com/upload/file/nemugava.pdfIn PDF document text
- https://tommytest.dish1314.com/data/html_editor/files/vukodeto.pdfIn PDF document text
- https://b7b.reviewz.eu/app/webroot/files/userfiles/files/94983430086.pdfIn PDF document text
- http://hiddengemsbookstore.com/userfiles/file/19128293364.pdfIn PDF document text
- http://cieplej.pl/imgturysta/file/nibikef.pdfIn PDF document text
- http://mhinflatable.com/upload/file/73250021964.pdfIn PDF document text
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/161330442a0fd4---zibudejulamaz.pdfIn PDF document text
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/e2o1nfdb7qvbcn89c9eo9dm0qb/40720807961.pdfIn PDF document text
- http://kovove-ploty-brany-zabradli.cz/UserFiles/File/wugobazedulofisuw.pdfIn PDF document text
- https://artistaone.co/userfiles/files/jasojawenoganoxefe.pdfIn PDF document text
- https://kildevangen.dk/files/8427395045.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_off0000af1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF1A | 15236 bytes |
SHA-256: 717fb25228d1723389265fb1c9ad05cb0a5fc57b80c0f90b4a65b4364b8b561e |
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font_01_sfnt_off0000d4ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4FF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ed16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED16 | 10380 bytes |
SHA-256: 5fe85b9462d4845e1a037374b11f1180286f2203bbf6232c3ea9eb4e0949c5e1 |
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