MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to disposable hosting or compromised CMS upload directories, indicating a link farm designed to redirect users to malicious content. The presence of multiple external URIs and a link farm heuristic strongly suggests an attempt to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://girl0229960192.com/upload/users/files/86120318058.pdf In PDF document text
- http://thietbianninh188.com/uploads/files/zakalafowoviguwawufivem.pdfIn PDF document text
- https://hattshopping.com/admin/assets/images/ckfiles/69689062342.pdfIn PDF document text
- https://www.gpaci.org.br/cms/ckfinder/userfiles/files/dejedakupi.pdfIn PDF document text
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/v4qs9tsqkf8f02nbljrca08iij/pexif.pdfIn PDF document text
- https://upaspor.com/resimler/files/wotidero.pdfIn PDF document text
- http://fioredda.com/userfiles/files/83617552270.pdfIn PDF document text
- https://cicadit.ro/UserFiles/file/41259213543.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cbb47c2d7b---vudokopozone.pdfIn PDF document text
- https://segurosjdd.com/wp-content/plugins/super-forms/uploads/php/files/mfe5potjjv683d335iasrhv9p2/putewobipediw.pdfIn PDF document text
- https://totounited.com/contents/files/21798388120.pdfIn PDF document text
- http://gdlejia.com/uploadfile/files/20210914_114617.pdfIn PDF document text
- http://nriloan.jctoursandtravels.in/files/vanojirelepadaweweg.pdfIn PDF document text
- https://daulte.com/ckfinder/userfiles/files/kuzikagofawomulekodokosoz.pdfIn PDF document text
- http://nm-union.ru/ckfinder/userfiles/files/pimuvagosoruwo.pdfIn PDF document text
- http://smart.sut.ac.th/tsme/src/lib/ckfinder/userfiles/files/32628635893.pdfIn PDF document text
- https://behbehaniprojects.com/uploads/files/berukaxiwexofem.pdfIn PDF document text
- http://zs-oilfieldequip.ru/d/files/52607792290.pdfIn PDF document text
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/161432c645a00d---69134036638.pdfIn PDF document text
- https://brothers-music.com/ckfinder/userfiles/files/30013788627.pdfIn PDF document text
- https://alternativecarrepair.com/userfiles/file/piliverax.pdfIn PDF document text
- http://inbjnews.com/data/cheditor/0603/files/41964290622.pdfIn PDF document text
- https://schmitz.cz/res/file/56139860806.pdfIn PDF document text
- https://bibliothequedesarts.ch/ckfinder/userfiles/files/zimusekuvikolujimipubata.pdfIn PDF document text
- http://qtjdb.com/UploadFile/2021/09/07/file/20210907_052351_200.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=kung+fu+panda+gomoviesPDF 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_off0000b9f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB9F0 | 10756 bytes |
SHA-256: 96285b6d3738e746e7957ea54382cf7de30ba02c18f3d05559c285b96e921092 |
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font_01_sfnt_off0000d27b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD27B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ea8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA8D | 16148 bytes |
SHA-256: 3ed10d2ecd4204f3001512c5296ccb2ceb5342784ae0e8dc96497aa6b22fc553 |
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