MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, containing numerous URLs pointing to potentially compromised websites or disposable hosting. These links likely serve as lures for phishing attacks or to distribute further malware payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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 https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/5e1d44023a802dbc5b96c1b144c99458/84899939911.pdf In PDF document text
- https://dollarplus98.com/images/upload/files/7977609944.pdfIn PDF document text
- http://amidoux-peintures.com/ckfinder/userfiles/files/76859074090.pdfIn PDF document text
- https://balajitutorial.com/admin/userfiles/file/69693222084.pdfIn PDF document text
- http://www.loicadesacavem.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1613b8dd3ccc45---dagojediwawopu.pdfIn PDF document text
- http://ct-tci.com/cttax/userfiles/files/15565326719.pdfIn PDF document text
- https://laundrybyconrads.com/nbloom/fckuploads/file/vizepusojukumep.pdfIn PDF document text
- http://startmatbaa.com/userfiles/file/zobulut.pdfIn PDF document text
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614ea2c01b31d---medikapapude.pdfIn PDF document text
- http://kubkao-kubpla.com/userfiles/files/60329016839.pdfIn PDF document text
- http://www.slenderclub.cz/ckfinder/userfiles/files/79904700582.pdfIn PDF document text
- http://rmgoals.com/userfiles/files/nedulusazuso.pdfIn PDF document text
- http://kozhencherrymtc.org/userfiles/file/99591164186.pdfIn PDF document text
- http://xn--xhq021fvrwdth.com/d/files/lavodir.pdfIn PDF document text
- https://maintogelonline.info/contents/files/71685554959.pdfIn PDF document text
- http://nasfthr.com/userfiles/file/sixobodabipupinesadu.pdfIn PDF document text
- https://jdrum-music.com/uploads/ckfiles/files/44183627028.pdfIn PDF document text
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/1614b177a515e1---25139895479.pdfIn PDF document text
- http://business-plan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/supudogigezudi.pdfIn PDF document text
- http://farmaciacogliate.it/userfiles/files/ganep.pdfIn PDF document text
- http://copy-office.it/userfiles/file/pizawefugenirexivixesi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=robux+coupon+codes+2021PDF 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_off0000af91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF91 | 15876 bytes |
SHA-256: 4e126f01dffe84b4d0e6084ea758539d1e19def936e0369b7abf3a7aa8c01fe9 |
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font_01_sfnt_off0000d754.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD754 | 10692 bytes |
SHA-256: c6260eb4e386704ab10a01e97c206e3e63f270c3441f04c1fa683580390f40b1 |
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font_02_sfnt_off0000efd6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFD6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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