MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, suggesting a link farm used for redirection. While no executable scripts were directly extracted, the structure and URL patterns are consistent with phishing lures or malware droppers.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://www.majbrno.cz/uploads/files/rosenukimidexegodijexuzuz.pdf In PDF document text
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ec533b7588---31651556747.pdfIn PDF document text
- http://dansecyr.ca/pdf/file/41376591433.pdfIn PDF document text
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161337901e2957---21889923562.pdfIn PDF document text
- http://ijdssymposium.eu/upload/xuzizi.pdfIn PDF document text
- https://sitycare.com/FCK-UserFiles/files/47550998670.pdfIn PDF document text
- http://home-hj.com/up_photo/file/vofakekaj.pdfIn PDF document text
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/9jjajm8t1je8cv4ipsj57pl544/rimafosum.pdfIn PDF document text
- https://agros.net/uploads/file/mejogepolufazefe.pdfIn PDF document text
- http://supermarketdv.ru/files/file/gagemigere.pdfIn PDF document text
- http://kiuruvedenlukio.fi/tiedostot/file/36668250887.pdfIn PDF document text
- http://clear-es.net/yamituki-n/uploads/files/94884330903.pdfIn PDF document text
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/16131835a293ad---39087459885.pdfIn PDF document text
- https://bczenekar.hu/files/file/26384219393.pdfIn PDF document text
- http://ryukatsu.com/userData/board/file/dosivaxaxavebuvise.pdfIn PDF document text
- http://kammed.com/userfiles/file/68994979474.pdfIn PDF document text
- http://www.thunderesp.com/ckfinder/ckfinder.htmlfiles/zevubuzirovubiv.pdfIn PDF document text
- http://skene.es/userfiles/file/moxujovuni.pdfIn PDF document text
- http://onlineticketreview.com/images/file/50083193355.pdfIn PDF document text
- https://mangalargalux.com.br/ckfinder/userfiles/files/renosoxerexijaz.pdfIn PDF document text
- http://metafelix.it/userfiles/files/98289795386.pdfIn PDF document text
- http://www.uc-kushiro.net/images/library/File/41163160861.pdfIn PDF document text
- https://davidfoleyinc.com/userfiles/file/noxapozejupoxe.pdfIn PDF document text
- http://khaskhaan.mn/uploads/userfiles/files/11609934312.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=hack+among+us+mobile+androidPDF 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_off0000bf00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF00 | 16188 bytes |
SHA-256: fc954dead49590f5a9b6efe9a6bebda3e760967a834aa976f3c754d12251db8e |
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font_01_sfnt_off0000e860.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE860 | 10940 bytes |
SHA-256: 6b9c3735e99f51ce650d4513f9d4a3da6afaa76e106917d0f0a7412f61583bf1 |
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font_02_sfnt_off00010171.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10171 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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