MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristic analysis revealed it functions as a link farm, directing users to multiple external websites, some of which are hosted on compromised CMS uploads or disposable domains. The presence of numerous unknown URLs suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://laurallo.com/ckfinder/userfiles/files/sijadisumixogof.pdf In PDF document text
- http://agrocare.hu/ckfinder/userfiles/files/77011356499.pdfIn PDF document text
- https://chv.vn/userfiles/file/65313292935.pdfIn PDF document text
- http://designpavelzapletal.cz/files/file/dugivomibiteronupiv.pdfIn PDF document text
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/161393d26600a2---tagegilizolafejemidaw.pdfIn PDF document text
- http://parbatsamajjapan.com/img/files/files/wixevutomerogelaror.pdfIn PDF document text
- http://autavrabek.cz/obrazky/file/gupaxa.pdfIn PDF document text
- http://fnathservices.com/upload/file/midunumosufalog.pdfIn PDF document text
- http://remont-elektro.eu/archiv/file/zifugufomumilavew.pdfIn PDF document text
- http://erisalaw-chicago.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/74911454294.pdfIn PDF document text
- http://abwmercury.com/uploads/files/vulebu.pdfIn PDF document text
- http://cieplej.pl/imgturysta/file/38332750323.pdfIn PDF document text
- http://labotinnghia.com/img/files/zaduxulimirapulenevon.pdfIn PDF document text
- http://think6.net/ckfinder/userfiles/files/20210905114606.pdfIn PDF document text
- http://gioiacompany.net/images/upload/file/29540817567.pdfIn PDF document text
- https://fleseriuassociates.ro/files/file/nuwebasutinu.pdfIn PDF document text
- http://szyoujin.com/UploadFile/file/20210901231123536.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/wakigekebavukalumevu.pdfIn PDF document text
- https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/b459b3fd2b5e5f4352e8b63002b496a7/tapatudoxefonopexiwu.pdfIn PDF document text
- https://akanaymatbaa.com/calisma2/files/uploads/4019410232.pdfIn PDF document text
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/ed82d60c2124e0d6f63c82e08abc2882/palabodogizifutigapu.pdfIn PDF document text
- https://kozhikodedeaf.org/admin/my_files/file/napifabo.pdfIn PDF document text
- http://sh-songshi.com/admin/upimg/file///rolemes.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=play+store+file+apkPDF 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_off0000c2b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2B4 | 16340 bytes |
SHA-256: b883f21d936d344c4cf75c00b45261deffa0943b10d438028f9104974fca7e9c |
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font_01_sfnt_off0000ecb5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECB5 | 10452 bytes |
SHA-256: 9ed6dd8a8d276056a1741577d73140cfbb9a28f2f5535e977195a1a0e514e4fd |
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font_02_sfnt_off000104ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104AE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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