MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code. Additionally, numerous external links were found, many pointing to compromised WordPress sites or disposable hosting, suggesting a phishing or malware distribution scheme. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or trojan delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9969
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://irastuff.com/admin/ckfinder/uploads/files/21387932424.pdf In PDF document text
- http://songpinhao.com/userfiles/files/dosimekel.pdfIn PDF document text
- http://stromzeleny.cz/file/danijo.pdfIn PDF document text
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614704a3ca59d---sukuremas.pdfIn PDF document text
- http://gok-maciejowice.pl/js/ckfinder/userfiles/files/tiribavuxosesazugu.pdfIn PDF document text
- https://people11people.gr/uploads/File/borunixisamiwude.pdfIn PDF document text
- http://slstudio.it/userfiles/files/xenewebuwapajume.pdfIn PDF document text
- http://ediljolli.com/userfiles/files/64787647892.pdfIn PDF document text
- http://isemya.by/modules/ariol/static/ariol/ckfinder/files/xojugeli.pdfIn PDF document text
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139ae956ef29---risasujaxibakegoxofopowe.pdfIn PDF document text
- http://agriturismoilnoceto.com/userfiles/files/2716842839.pdfIn PDF document text
- https://fairtradeportal.pl/userfiles/file/nulexegufodagazewu.pdfIn PDF document text
- http://ccforum.kr/uploads/file/1632181634.pdfIn PDF document text
- http://skybuildinfraprojects.com/uploads/bezupilavejug.pdfIn PDF document text
- https://luckysurface.itweald.com/uploads/files/6137b4a93fbbe.pdfIn PDF document text
- http://karimeh.com/public/userfiles/file/kuwulovojifozasu.pdfIn PDF document text
- http://cathyknightwaite.com/ckfinder/userfiles/files/tasaweju.pdfIn PDF document text
- https://www.stock2morrow.com/ckfinder/userfiles/files/99318500048.pdfIn PDF document text
- http://fazendasaojudastadeu.net/fotosempresa/files/93775512358.pdfIn PDF document text
- http://lukoilmarine.com/ckfinder/userfiles/files/47381374660.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/161468874849a9---55361949878.pdfIn PDF document text
- http://daonshop.com/files/fckeditor/file/7806829680.pdfIn PDF document text
- http://sunway.me/uploads/file/140341243308.pdfIn PDF document text
- https://riminabda.sk/userfiles/file/rereloroxanibez.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=superbad+live+streamPDF 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_off0000e074.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE074 | 10712 bytes |
SHA-256: 2e2a3060896765829ba002253449f5d654b1ea873b5ec6eb4f930035d3fb8b0f |
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font_01_sfnt_off0000f8dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8DC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000110ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110EE | 19232 bytes |
SHA-256: e2fbd075313e727ff9f18f8cea773b5ad21d77733961aa7f81f0a955c40061b1 |
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