MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links pointing to various websites, many of which are hosted on compromised CMS platforms or disposable domains. This structure strongly suggests a link farm designed to distribute malicious content or phish users. The ClamAV detection and ML classifier further confirm the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://mamnonkitty.com/webroot/img/posts/files/tumewinixe.pdf In PDF document text
- http://lamexmarket.com/uploads/files/64149425984.pdfIn PDF document text
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/ec1e539d887ee13012a138c3f20bb345/noxojawebogomibogutixinil.pdfIn PDF document text
- http://camwater.org/media/files/bexokula.pdfIn PDF document text
- https://www.hausbootgeiseltalsee.de/wp-content/plugins/super-forms/uploads/php/files/crm6avb71i2bedlupbkepjoruv/42700168080.pdfIn PDF document text
- https://immo-cjeanpaul.lu/userfiles/files/sulabamalerawamuzuxat.pdfIn PDF document text
- http://dekoblickfang.de/userfiles/file/97095697320.pdfIn PDF document text
- https://taevlingar.se/images/pages/file/46501963447.pdfIn PDF document text
- https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afd5bd891e1---2831544443.pdfIn PDF document text
- http://pincailight.com/zk/UploadFile/file/2021062405114173499.pdfIn PDF document text
- https://cashmeredreams.com/wp-content/plugins/super-forms/uploads/php/files/e5002e40c2e4304584b9fd9c04a2a0c3/xifuwe.pdfIn PDF document text
- http://refah4ter.info/basefile/hotelrefah4terir/files/zadegasobewelajawaved.pdfIn PDF document text
- http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c175a84f855---goruserulamuxepunez.pdfIn PDF document text
- http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607da90792536---11266480783.pdfIn PDF document text
- http://nexxosrealty.com/userfiles/files/64559304733.pdfIn PDF document text
- https://frontlinetherapist.com/wp-content/plugins/super-forms/uploads/php/files/7afb5c3cdad384f6c295b64c261fdbc2/79870912701.pdfIn PDF document text
- https://mindspacepsytherapy.com/upload/ckfinder_temp/files/20210617155325.pdfIn PDF document text
- https://baust.edu.bd/app/webroot/ckfinder/userfiles/files/24162721568.pdfIn PDF document text
- http://moretonassets.net/userfiles/wunilapeliv.pdfIn PDF document text
- http://franklcalabreseattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zuxepumiwada.pdfIn PDF document text
- http://growlink.biz/userfiles/file/nijazebirokok.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/5nthsv8pebfnlicle5tc5peh0l/xanudatadevozuja.pdfIn PDF document text
- http://criminisiepartners.it/userfiles/files/direzoxoxawobeme.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=clint+eastwood+bronco+billyPDF 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_off0000e0f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0F9 | 19024 bytes |
SHA-256: 752e04897f9fbc51910a6dab38046e406566bee17e447cc5bb6d41ece017f865 |
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font_01_sfnt_off000111ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111ED | 10732 bytes |
SHA-256: 952c9679bc5316bc8d2a7105b103677e057468c24cb563bec1b5cb7abf212812 |
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font_02_sfnt_off00012acd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12ACD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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