MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains a link farm pointing to multiple domains, including one identified as a compromised WordPress upload storage, suggesting an attempt to obscure the final destination or leverage compromised infrastructure. The presence of numerous PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports the link farm attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://needlugs.com/userfiles/files/tudovesugumazurebavulix.pdf In PDF document text
- http://viprealestatebrokers.com/userfiles/files/13342051175.pdfIn PDF document text
- http://daeryuhealthcare.com/ckupload/files/58760596299.pdfIn PDF document text
- https://casasholidays.com/scgtest/team-explore/uploads/files/beriwu.pdfIn PDF document text
- http://themetamorphoseprogram.com/userfiles/file/81605903603.pdfIn PDF document text
- http://daejonggyoyc.com/userfiles/file/20210904220035.pdfIn PDF document text
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614ebefe05e19---27198108189.pdfIn PDF document text
- http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/48hdhp3rlbq7h6hopaooqaaaad/26614759697.pdfIn PDF document text
- http://huefpdf.org/upload/file/lapamixexiwebijama.pdfIn PDF document text
- https://korovin.org/site/img_ufiles/jupoxi.pdfIn PDF document text
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6d13c56bfcfcf4845aa395deca8079da/fokojudiremudesuw.pdfIn PDF document text
- https://asiantms.com/ckfinder/userfiles/files/vipubefoladana.pdfIn PDF document text
- http://jvcc.cn/ckfinder/userfiles/files/21092308483652092122zgz.pdfIn PDF document text
- http://bobmeetin.com/media/galleries/files/6434677250.pdfIn PDF document text
- http://elsped.hu/files/file/49470604791.pdfIn PDF document text
- https://f27szerviz.hu/upload/files/7197718897.pdfIn PDF document text
- http://lammensfilip.be/uploads/files/28696576349.pdfIn PDF document text
- http://liubeauty.com/luutru/files/85250592675.pdfIn PDF document text
- http://scsychem.com/upload/files/fugonores.pdfIn PDF document text
- https://homeuu.biz/upload/ckeditor/pages/files/93865149517.pdfIn PDF document text
- http://mecaniquekd.ca/upload/file/tidukotoga.pdfIn PDF document text
- http://sinosteelcode.com/filespath/files/20210911060109.pdfIn PDF document text
- http://facilitymanagementassociates.com/survey/userfiles/files/fegudakonudivikalotudo.pdfIn PDF document text
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16140e43739fef---tuzumutusoroxegumijix.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=arabic+ringtones+for+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_off0000b272.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB272 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ca89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA89 | 10728 bytes |
SHA-256: df2a936f4fefd739a052293f943caabc894fc30cf0d9a03cb4abd66dc07a7165 |
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font_02_sfnt_off0000e325.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE325 | 14928 bytes |
SHA-256: f4d9d0ddf0e45d2636691f4bad151b7c309c07c4adae6cacb8e3422f97668185 |
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