MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous URLs pointing to external sites, some hosted on compromised CMS uploads. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic suggests these links are designed to manipulate search engine results or lead users to malicious content. No scripts were extracted, but the overall structure points to a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 https://nomylo.ru/uplcv?utm_term=download+christian+religious+studies+pdf PDF link annotation
- http://wordtmann.beckbauer.eu/ckfinder/userfiles/files/48475144859.pdfIn PDF document text
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090c8e70f396---gimaroguzemu.pdfIn PDF document text
- https://summit-christian-academy.net/scauserfiles/files/11875077390.pdfIn PDF document text
- http://ecohost.ru/pics/images/file/gijalovoripanarix.pdfIn PDF document text
- https://xn--49st2et51duvk.com/upload/files/tobogigitebuwibipudomi.pdfIn PDF document text
- http://rs-entp.com/upload/file/69719007936.pdfIn PDF document text
- https://educationindiajournal.org/ckfinder/userfiles/files/nunorevibovugokepan.pdfIn PDF document text
- http://www.aportecnica.com/imagenes/editor/file/59149798791.pdfIn PDF document text
- http://infunplastic.com/d/files/52953927331.pdfIn PDF document text
- https://chris-arnold.com/userfiles/file/91316022290.pdfIn PDF document text
- http://keralajesuits.org/userfiles/file/41332127833.pdfIn PDF document text
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/82h6av586brblda4f77vps67f7/73321974089.pdfIn PDF document text
- https://koratspring.com/upload/file/79112639459.pdfIn PDF document text
- http://bsp-plovdiv.org/ckfinder/userfiles/files/masimopunosixetabedadikut.pdfIn PDF document text
- http://artgraf24.pl/userfiles/file/76466992020.pdfIn PDF document text
- http://kme-kme.cz/files/file/zifijewitudufofinirix.pdfIn PDF document text
- http://byty-pardubice.eu/UserFiles/File/luderiwigobabudakugev.pdfIn PDF document text
- https://spitalmoldovanoua.ro/ckfinder/userfiles/files/gazalizuvodaxodusu.pdfIn PDF document text
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/e5ebbf157d6e0cedec123e7c9586640c/11003192518.pdfIn PDF document text
- http://hzaidele.com/images/upload/File/pafomajusawewonatinumew.pdfIn PDF document text
- http://enovosti.info/ckfinder/userfiles/files/85139244413.pdfIn PDF document text
- http://bsl-trans.ru/admin/ckfinder/userfiles/files/wozowok.pdfIn PDF document text
- http://hkacca.com/userfiles/23117969354.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_off0000dfc8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFC8 | 16988 bytes |
SHA-256: 44b406c5802c30c8345fb1d928f7f8f52d5af2f478af7a731c63bd12898c5c49 |
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font_01_sfnt_off00010b70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B70 | 11088 bytes |
SHA-256: e2f09a07758aba349cb10a62349513d39289a988b55bd52823e1df9b2507cd6d |
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font_02_sfnt_off00012515.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12515 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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