MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The presence of numerous external links, many pointing to compromised CMS uploads or disposable hosting, strongly suggests a link farm designed to redirect users to malicious sites. The document body is heavily obfuscated and unreadable, providing no further context.
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 http://gramercy-grand.ru/files/file/31331688789.pdf In PDF document text
- https://www.brightfieldbusinesshub.co.uk/wp-content/plugins/super-forms/uploads/php/files/s9l693h60rsjfvg9nfapvlg0vr/dapumegafijisa.pdfIn PDF document text
- http://agcslohian.com/userfiles/file/nipeguxuzifukavozisukir.pdfIn PDF document text
- http://studioagronomoserragiotto.eu/userfiles/files/xufekeligijevavalubat.pdfIn PDF document text
- http://afghansolar.com/userfiles/file/50106982155.pdfIn PDF document text
- http://zjpjxt.cn/upload/uploadfile/file/rigujomeminuxudak.pdfIn PDF document text
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098698b3fd21---37567083228.pdfIn PDF document text
- https://nacituran.com/userfiles/file/wezowuwusipimo.pdfIn PDF document text
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/8622tfvqivgq2iqhnjchn8evn7/zofalabajewaxe.pdfIn PDF document text
- http://mcutech.net/upload/2021/06/file/16246780001600508781.pdfIn PDF document text
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609f5a7fda8d1---9361973200.pdfIn PDF document text
- https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/29e79cd6fb38c40974140b4f08470e19/ratisalokoxutumil.pdfIn PDF document text
- http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/160cb4071f2338---42396695503.pdfIn PDF document text
- http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/5c8dadfe06057a2bc6ed6d4aac2dc59d/pujinimow.pdfIn PDF document text
- https://thehideawayresortpattaya.com/userfiles/files/88591911484.pdfIn PDF document text
- https://dialogueinpraxis.net/files/docs/jujup.pdfIn PDF document text
- http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc7371c9613---mulinotes.pdfIn PDF document text
- http://cokhilegia.com/upload/files/21795381147.pdfIn PDF document text
- https://vidolamerica.org/wp-content/plugins/super-forms/uploads/php/files/725810ad6b2aa2195a8aa365e2de9e64/viripakolijilaxugaxanapas.pdfIn PDF document text
- http://lmyc.net/clients/875386/File/kapejijijop.pdfIn PDF document text
- http://shacklefordlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/moxazexe.pdfIn PDF document text
- https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608636fd1949b---26098319739.pdfIn PDF document text
- https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/e1f8b117afd5b963d41c50a7c4990ae6/59031968805.pdfIn PDF document text
- http://fbchitchcock.org/clients/8/8b/8bdff38a390027835eb24981312b950c/File/38025642200.pdfIn PDF document text
- http://ersatzmonitor.de/userfiles/file/1778614151.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=i+hereby+confirm+certified+true+copyPDF link annotation
- 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_off0000f49e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF49E | 16948 bytes |
SHA-256: 3324a386aea26ddcccebaff912e5887f730130f6e18cd6cebfff1d53402c0cb8 |
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font_01_sfnt_off0001211b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1211B | 10816 bytes |
SHA-256: ee8ddf0c987f4408f233c4600c497a12ac1cd9227873c39abf2286910bde111c |
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font_02_sfnt_off0001399f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1399F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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