MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to compromised websites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://catamma.ru/uplcv?utm_term=one+word+substitution+in+english+for+competitive+exams+pdf PDF link annotation
- https://lolakarimova.uz/ckfinder/userfiles/files/mofakegawoz.pdfIn PDF document text
- https://oxi-dental.ro/imagini_ws/kiwufagexuwaranow.pdfIn PDF document text
- https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/efdea75498fc18902f2e160baeec0653/gusadadorenesirekuwaba.pdfIn PDF document text
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/76dbc4764b0559cdfc347c2ecc734b08/94332687498.pdfIn PDF document text
- http://gocreate.termall.pl/upload/fck/file/27621697032.pdfIn PDF document text
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/16098d4d786d19---jexolawedokejulajukoku.pdfIn PDF document text
- https://egyptsuntours.com/userfiles/files/99785628761.pdfIn PDF document text
- http://payassistinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a8a5752c68---3915102707.pdfIn PDF document text
- https://oumkua.com/userfiles/file/lilewirokikametudebevib.pdfIn PDF document text
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a4374f1676e---53209871959.pdfIn PDF document text
- https://alakharia.com/public_html/userfiles/file/kagobebemozeb.pdfIn PDF document text
- https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/fbd8a4vr83v5eib279cumlb3q1/32245930972.pdfIn PDF document text
- https://bawaniint.com/ckfinder/userfiles/files/ferawogerevajatipesu.pdfIn PDF document text
- http://www.hgbehringer.de/img/files/files/dosaguzixe.pdfIn PDF document text
- https://geneolock.com/locktactyuma/userfiles/file/vujojekagixajus.pdfIn PDF document text
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/6lskn63r32d743jlt6vtnrhb2b/savemozigomojiwila.pdfIn PDF document text
- http://dailymaytrogiang.com/userfiles/files/delemiwe.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_off0000ece5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECE5 | 16764 bytes |
SHA-256: bf79c554fb369a825f4faf3962467a1294c0926156340ee2ce783418ede341a3 |
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font_01_sfnt_off00011870.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11870 | 11588 bytes |
SHA-256: 790c8989d38d7e87ee422bc3ce75adf99bfde8d0464b0602bef4538be404cb60 |
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font_02_sfnt_off00013377.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13377 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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