MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of embedded URLs, many of which point to compromised websites or disposable domains, indicating a link farm designed to distribute malicious content or phish users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9938
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://garglob.ru/uplcv?utm_term=chapter+one+lord+of+the+flies+summary
- http://lindseyderence.com/userfiles/files/gifibizizogatete.pdf
- http://a-kamen.com/userfiles/file/16411928907.pdf
- http://sun-tes.ru/files/file/musuduvuredinavegek.pdf
- https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/f3441c711005613078c7fbfd518a6fb7/15850839158.pdf
- http://hykylalumni.org/userfiles/30020884759.pdf
- http://busankid.com/webfiles/board/file///31682536982.pdf
- https://www.adilaltinsoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077af83e3ef2---zavitegoliperabewesoj.pdf
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609b7f4f18a58---57632934622.pdf
- http://ajk-opakowania.eu/upload/fck/file/vanujafukogi.pdf
- http://svaz-podnikani.cz/files/file/95547744762.pdf
- https://www.mii.net/wp-content/plugins/super-forms/uploads/php/files/06463e03620e6b77c66df19ccd984870/bonejijigoliz.pdf
- http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/aa10a3e74139d4d4e50f84b8b1905e22/97060486444.pdf
- http://duancanhotot.com/upload/files/59722178740.pdf
- http://edu-family72.ru/content/images/uploads/file/fileguwekupisilojoporosuj.pdf
- https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/0f1fd89047c29fa5ab798ee86e505b76/nelebuxamaxofofokema.pdf
- https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/cmlebkqosc47njos35hlafedqk/lererubobadijufefurazeva.pdf
- https://razdolle.by/wp-content/plugins/super-forms/uploads/php/files/ev4ml23dkrcepgbkn2stjr2dn4/sikugivigarumufe.pdf
- https://sjamsul-hidajat.id/ck_uploads/uploads/files/werojasozelanofox.pdf
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/16072781610cda---24007253120.pdf
- http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/rlfcfepcv5b7aqakklst729j05/72844933220.pdf
- http://domholidays.com/userfiles/file/93412817408.pdf
- http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a63e6ed1098---12563924662.pdf
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a234714833e---52780602740.pdf
- 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_off00012627.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12627 | 16792 bytes |
font_01_sfnt_off00013e39.bin6bc36322c734f16a48e8b1da14ee1475a8c6fcd108b2ffd74b98bda72847f09f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E39 | 17404 bytes |
font_02_sfnt_off00016b6d.bin1813d162ca726b36a247157c08e4caafcc80f268eec6bf067626d1390f62745d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16B6D | 11008 bytes |
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