MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple links to external sites, many of which are hosted on compromised or disposable domains. The presence of a ClamAV detection for 'Pdf.Phishing.Trojan' and ML classification strongly indicates malicious intent, likely to trick users into downloading further malicious content or phishing for information.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
Heuristics 8
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://infrive.ru/uplcv?utm_term=gta+san+andreas+cheat+codes+android
- http://altera.ukrstroyka.com/content/xuploadimages/file/39865109818.pdf
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/161391b9f34575---2483003849.pdf
- http://feuerwehrobrigheim.de/upload/files/92687918430.pdf
- http://paintmaster.hu/js/ckfinder/userfiles/files/pabonabowodepe.pdf
- https://sakesushimn.com/userfiles/files/pegadedabojofijeparafoli.pdf
- http://dhf-china.com/d/files/livemezivamijinapo.pdf
- https://movimientofamiliadejesus.com/images/uploaded/file/44478353547.pdf
- http://goldendoodlesofthesierranevadas.com/userfiles/file/pugalodepeda.pdf
- https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/e6da0a03583ad05531a07fae6217e9e9/kozoduwuv.pdf
- https://bayihoki99.com/contents/files/53349886025.pdf
- http://tidomusica.com/uploads/files/202109160024332881.pdf
- https://sakkestadbil.no/userfiles/file/13562984000.pdf
- http://goldstecq.com/userfiles/file/74380971125.pdf
- http://www.moyekolodin.com/files/devubak.pdf
- http://envigest.cz/upload/file/54168215670.pdf
- https://regenerateacademy.com/file/wugagefu.pdf
- http://icoenergia.com/userfiles/files/30567610339.pdf
- http://izeninfo.net/admin/upload/files/73097937353.pdf
- http://tidomusica.com/uploads/files/202109031142445824.pdf
- http://patanjali.zohukum.com/ckfinder/userfiles/files/seziwoxukitepinaxebev.pdf
- https://mlmrockstars.com/ckfinder/userfiles/files/ximogolaribukulugajosoma.pdf
- https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/1613fb863841d2---38680314745.pdf
- https://beautydent.hu/editor_up/masewetatajo.pdf
- http://xiao-bao.com/uploadfiles/fckeditor/20210902/file/16305817064453.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_off00010210.bin50baba440b74c77fc5fe067612bd697c4c7c18f39e4ac7717e300abb6f408f95 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10210 | 19184 bytes |
font_01_sfnt_off00013338.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13338 | 16792 bytes |
font_02_sfnt_off00014b4f.binf4d00c78792b98255e510b908d7c11286f55fdf0a562c523bc6fce7ff167e6d4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14B4F | 10460 bytes |
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