MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is classified as malicious by ML and ClamAV, indicating a high likelihood of malicious intent. The document contains numerous links to compromised websites and disposable hosting, suggesting it functions as a link farm to distribute further malicious content. The presence of embedded URLs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic indicate the primary goal is to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://huntic.ru/uplcv?utm_term=class+10th+english+grammar+pdf PDF link annotation
- http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca37a3325e---lulewopalumig.pdfIn PDF document text
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/08cb777c891a6a5339a6391e63f92c3b/poluta.pdfIn PDF document text
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/681fe85dfcb5e4f32df38ba7680944f4/tanulisibedugekiwar.pdfIn PDF document text
- https://mcq-exambd.com/app/webroot/ckfinder/userfiles/files/12891417865.pdfIn PDF document text
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/16086d3c533bfb---kazepatawesewudimov.pdfIn PDF document text
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16093f267e3bc3---kafatuwamoxefevewejazufa.pdfIn PDF document text
- https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/4on5kr4it5v2s41i04ldt95nkl/sebos.pdfIn PDF document text
- http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b40ee744b6e---lumox.pdfIn PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4373218670---xozopuvojozotefurubovuje.pdfIn PDF document text
- https://mannerfeltdesignteam.se/ckfinder/userfiles/files/nusiruwopimetukusolili.pdfIn PDF document text
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acbcde36c12---rozezokexunu.pdfIn PDF document text
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/1607a71107d41f---49057338560.pdfIn PDF document text
- http://esipro.fr/userfiles/file/78626164477.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e638.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE638 | 5552 bytes |
SHA-256: 49ca034d35ca1e9e375dc67b6f26233a8bb278a3c724fb5491b1c51f7cfb5697 |
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font_01_sfnt_off0000f8e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8E3 | 2676 bytes |
SHA-256: 0a80cc866ab3705b719cff30790c1712fc18d54f38e193ee65e92b733afa98e0 |
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font_02_sfnt_off00010478.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10478 | 12692 bytes |
SHA-256: a33e0621e0bd2b616378f92bcf0e8b831d8624cdcc4be68671993d000e57446e |
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font_03_sfnt_off00012e19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E19 | 16204 bytes |
SHA-256: 532315dfdc59b350d447ad91845dd8cc72a836e684f536ab9a4305dc5b53fb8e |
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