MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by a machine learning classifier and ClamAV as malicious. It contains numerous external links, many pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics indicates a pattern of using such sites for distribution. While no scripts were explicitly extracted, the nature of the links and the overall detection suggest it's part of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 http://jjw-led.com/userfiles/file/gawibinex.pdf In PDF document text
- https://monyetjoget.com/contents/files/sudafowovavenokigakatev.pdfIn PDF document text
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d19428bec5---52354288974.pdfIn PDF document text
- http://sro52.ru/uploads/files/lezotujewobuxofexape.pdfIn PDF document text
- https://0900107678.com/upload/file/30031092427.pdfIn PDF document text
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a864230380---95540058323.pdfIn PDF document text
- http://okna-kursk.ru/page_edit/_samples/userfiles/files/67288370867.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/15716375091.pdfIn PDF document text
- http://retailcop.ca/files/newulebewub.pdfIn PDF document text
- http://venusland.vn/app/webroot/img/files/79068073351.pdfIn PDF document text
- https://penzion-pod-rozhlednou.cz/img/file/kevuxeribetuwalekid.pdfIn PDF document text
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/161390ed6c945a---54037612674.pdfIn PDF document text
- https://oreopay58.com/ckfinder/userfiles/files/96783255543.pdfIn PDF document text
- https://hglobaltourb2c.com/FileData/ckfinder/files/20210904_B1F92F65058C7CEE.pdfIn PDF document text
- http://dungcucaytrong.com/images/files/ladij.pdfIn PDF document text
- http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/8d7fb80ecbd4ad5c6220b50d118984bc/lunoremafitifonimizulam.pdfIn PDF document text
- http://psychanalyste-gard.fr/ckfinder/userfiles/files/wuxarudin.pdfIn PDF document text
- http://jplus-ag.com/upload/files/BodyFile__613CE4E48B574.pdfIn PDF document text
- http://eros-arena-reutlingen.de/eros/userfiles/file/fulowebijegaj.pdfIn PDF document text
- https://rrr71.ru/upload_picture/90469483576.pdfIn PDF document text
- http://dragonspond.com/uploads/files/wijokijexuzolilakerupono.pdfIn PDF document text
- http://akpanlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sepafoziximutosefebab.pdfIn PDF document text
- http://clean-ecology.com/Upload/files/48019430276.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=send+file+via+adbPDF 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_off0000dd75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD75 | 10144 bytes |
SHA-256: a947f803dbd4a7dbedbb4fa74fac4e032b5c95b8f938bc4db2c4c0515dfa5afb |
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font_01_sfnt_off0000f447.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF447 | 18036 bytes |
SHA-256: e30d7b5e92299106916eb4080cba6d329b404a9ae134becb5085647bbfae0730 |
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font_02_sfnt_off00012384.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12384 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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