MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, containing numerous URLs pointing to other PDF files hosted on compromised CMS uploads and disposable domains. This pattern suggests a phishing or malware distribution scheme, where users are lured to click links that ultimately lead to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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 http://szwygs.com/upload/19491199946.pdf
- https://www.hkha.org/ckfinder/userfiles/files/sujijawejiwi.pdf
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613249d5111bc---dixukawiditujamo.pdf
- https://v-rshine.com/upload/images/files/7537352766.pdf
- https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/dff6ad64dd653c9a2900b78a9fed17cd/75544824918.pdf
- http://sms-dk.com/FileData/ckfinder/files/20210914_55A59DDD7BC9C733.pdf
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/e213ffdbd60320d664b258967058ec07/41741474027.pdf
- http://vuatoyen.com/uploads/userfiles/file/25461828042.pdf
- https://leresto-niort.fr/images/userfiles/files/46601509597.pdf
- http://chernogolovka.inhome360.ru/admin/ckfinder/userfiles/files/godudalilirujulafupu.pdf
- http://gima.ge/admin/ckeditor/ckfinder/userfiles/files/77320022035.pdf
- http://foxgraphics.paulsfashion.in/files/jomufimufezogesagafuredef.pdf
- http://ehomerealestate.org/images/file/17983137873.pdf
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/161392351ea965---fobixizitibajinori.pdf
- https://bhopalliteraturefestival.com/mpsdp/uploads/files/64057261736.pdf
- http://psychanalyste-gard.fr/ckfinder/userfiles/files/12843283922.pdf
- http://99hospitalitygroup.com/ckfinder/userfiles/files/67969796585.pdf
- https://portalbime.com/UploadedFiles/New/file/dalujefora.pdf
- https://panegovernance.com/ourprojects/chowki/UserFiles/file/pekumasopixuwozalele.pdf
- http://sicilalluminio.it/userfiles/files/vejesozaburi.pdf
- http://szamosiszerviz.hu/feltoltott/files/jafoberesotodirikovulir.pdf
- http://lignumweb.com/site/webroot/uploads/files/foxawivifofixari.pdf
- https://junona.manyel.website/images/uploads/medium/bibiruwotatududusu.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=bangla+tv+software+for+pc+free+download
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b638.bin36da6a6f166b289d0e97ad87b83e36d2364ec1e185ef9b535a271c2bd341f65d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB638 | 10908 bytes |
font_01_sfnt_off0000cf88.bind48dd88a959c6537d22aae6b4e391bc1e2713886b2c3620531e9a6cc560de6c2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF88 | 17880 bytes |
font_02_sfnt_off0000fc8f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC8F | 16792 bytes |
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