MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for delivering malicious content. Heuristics indicate it functions as a link farm, directing users to multiple compromised or disposable hosting sites, likely for phishing or malware distribution. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/23a40cd7167a9ef4ab74c088ee541e1d/nugosudelazivegiwotudozo.pdf In PDF document text
- https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/17c443521a2fe67e4ffd76c3137f1930/jedidegu.pdfIn PDF document text
- http://hyundaihungthinh.com/uploads/images/files/dopemubipunodirazaf.pdfIn PDF document text
- http://sluchatka-shop.cz/files/upload/files/89750022629.pdfIn PDF document text
- http://hurtmar.pl/Upload/file/39456754914.pdfIn PDF document text
- https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/52b6022285e1c149a1acb5132b394e01/puxuzutovibutaxo.pdfIn PDF document text
- http://www.pro9apps.com/app/webroot/files/uploadimagesfile/11511731178.pdfIn PDF document text
- https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/1dde13a512579b6b5ede72631dd58825/mokojodewinufujamupif.pdfIn PDF document text
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613499a596ef7---43674013672.pdfIn PDF document text
- https://groupburuemas1.com/contents/files/xupiparelalunevujojijuju.pdfIn PDF document text
- http://esenkardeslerinsaat.com/resimlerfiles/pololujatunufotisamifur.pdfIn PDF document text
- https://mokhalasati.com/userfiles/files/85869611540.pdfIn PDF document text
- https://chennothinterios.com/uploads/file/99408210167.pdfIn PDF document text
- http://abnigakgdsg.friendship-match.com/upload/files/57822415808.pdfIn PDF document text
- http://www.wm-meyer.de/meyer/admin/editor/ckfinder/userfiles/files/vulenib.pdfIn PDF document text
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/1612eb474d9041---98524123689.pdfIn PDF document text
- https://jsptti.com/ckeditor/ckfinder/userfiles/files/74068032578.pdfIn PDF document text
- http://shepardinteriordesign.com/rw/upload/file/kalagenugosivukagupuki.pdfIn PDF document text
- http://portofmiamitunnel.com/system/js/back/ckfinder/userfiles/files/38928820010.pdfIn PDF document text
- http://xn-----6kcaheblih5ab0a6afqbzoqe.xn--p1ai/ckfinder/userfiles/files/61740674441.pdfIn PDF document text
- http://status-go.net/gfx/userfiles/files/xibawatigifub.pdfIn PDF document text
- http://hanlacsclub.com/ckupload/files/nusaluvagopefo.pdfIn PDF document text
- http://stadion-zarya.ru/ckfinder/userfiles/files/7170903934.pdfIn PDF document text
- http://goodwill.pl/userfiles/file/4723553564.pdfIn PDF document text
- http://rubensova16.cz/files/file/71631603239.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=bioscope+prime+mod+apkPDF 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_off0000c90f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC90F | 10572 bytes |
SHA-256: 0cbbd785615e7b8377d5bd455e95d44439df79c424605616ab33c18d73ff3974 |
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font_01_sfnt_off0000e13e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE13E | 18540 bytes |
SHA-256: 710e70c3aac107c71851ba2b02f8df8012534d490a95bfcfff82e8954941ca27 |
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font_02_sfnt_off0001112b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1112B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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