MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on disposable domains or compromised CMS uploads, indicating a phishing or malicious redirection scheme. ClamAV and ML classifiers identified the file as a malicious phishing trojan. The presence of embedded URLs and link farms strongly suggests an attempt to lure users to malicious sites, likely for credential harvesting or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://cructi.ru/uplcv?utm_term=text+repeater+app+download PDF link annotation
- http://kaies.cn/upfiles/210903131145392716ksrt7g.pdfIn PDF document text
- http://savemaxint.com/files/file/nomemuluwotabiluratesiji.pdfIn PDF document text
- http://boldogelet.hu/media/rederidexisujanesabekotu.pdfIn PDF document text
- https://santchavarabed.in/ckfinder/userfiles/files/92612598086.pdfIn PDF document text
- https://tavcam.com/upload/ckfinder/files/95866454163.pdfIn PDF document text
- http://beijingteye.com/upload/files/34482939789.pdfIn PDF document text
- http://hardiebase.com/uploads/assets/filefile/pebaposisijam.pdfIn PDF document text
- http://nanouklid.cz/upload/file/ferikosu.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161411494845e9---mazifanasilem.pdfIn PDF document text
- http://grawerlik.pl/userfiles/file/24619605649.pdfIn PDF document text
- http://nriloan.jctoursandtravels.in/files/burilogubefibibo.pdfIn PDF document text
- http://www.bash.cl/media/file/suvidivexoluxivudewuwom.pdfIn PDF document text
- http://bjqyms.com/filespath/files/20211001081114.pdfIn PDF document text
- http://esteel.my/userfiles/file/fiwixaweforetawov.pdfIn PDF document text
- https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/15c241a5ea63707379508919ed3a935e/46346937047.pdfIn PDF document text
- http://myappartement.de/web/editor/files/39220995344.pdfIn PDF document text
- https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/161438526726e3---29788818499.pdfIn PDF document text
- http://scissortailfarms.com/wp-content/plugins/formcraft/file-upload/server/content/files/161445b5dd3256---jetiliganuxijudob.pdfIn PDF document text
- https://allianztc.ro/files/file/10129509762.pdfIn PDF document text
- http://zeci.nl/im/image/85253842423.pdfIn PDF document text
- https://alpinebadmintonacademy.com/ckfinder/userfiles/files/fuguliganovivomejateka.pdfIn PDF document text
- http://the100voicesofgospel.ch/fichiers/newsletter/file/juwemupi.pdfIn PDF document text
- https://cjsc.se/ckfinder/userfiles/files/62209612449.pdfIn PDF document text
- http://dmkert.hu/files/file/25296611988.pdfIn PDF document text
- 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_off0000b221.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB221 | 10276 bytes |
SHA-256: 7484cb2dc5bdae9a514056a36350ff680fdb86c2eaf28ba4d313fbac83f9f820 |
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font_01_sfnt_off0000c972.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC972 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e184.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE184 | 16924 bytes |
SHA-256: cef0870697e590bffa485d7677f91c08d8c4c2edbb5915769210a7f0b8e29c45 |
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