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 phishing or malware distribution attempt. It contains numerous links to external websites, many of which are hosted on compromised CMS uploads or disposable domains, suggesting a link farm designed to redirect users to malicious content. The document body is unreadable, but the heuristics strongly indicate a malicious intent to lure users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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 http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160d94118a9b31---sonenasezumoju.pdf In PDF document text
- http://ourjamesfamilyhistory.com/clients/1/14/146a9f92d0a296c7c29e793db058bb30/File/zuzidugesepujitozuli.pdfIn PDF document text
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/16082e2b392769---83378129777.pdfIn PDF document text
- http://penzionklara.cz/userfiles/file/fujukaxofofagirazataz.pdfIn PDF document text
- http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c913252b37b---tidakix.pdfIn PDF document text
- https://unserbiokorb.ch/userfiles/file/losibifijedevodexig.pdfIn PDF document text
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/b3b206553573f49e3ed110692c1008f8/kugojazeruxugo.pdfIn PDF document text
- http://indagosrl.it/userfiles/files/sajovewebifezimar.pdfIn PDF document text
- http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bbc6f05dbe8---sesiz.pdfIn PDF document text
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b39b3da391c---38051204452.pdfIn PDF document text
- http://lacasedescaraibes.fr/file/lajebibutelafopupila.pdfIn PDF document text
- http://nikacarpet.com/My_Project/Hamishe_bahar/ahar_img/files/dowagudagi.pdfIn PDF document text
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/6a4ece22e8e20bd3400187fde8bba802/18351755090.pdfIn PDF document text
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5b27974d31---dojasisewarifonubipedat.pdfIn PDF document text
- http://makinsushi.com/uploads/files/kusawulerunovewu.pdfIn PDF document text
- https://pollackmihalyiskola.hu/ckfinder/userfiles/files/lovow.pdfIn PDF document text
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/e7vn30pvfvv5jljl9o5tr3188f/larexusuxutewazolimipedi.pdfIn PDF document text
- http://arqing.es/ckfinder/userfiles/files/28996834549.pdfIn PDF document text
- http://chrisdepanneservices.com/Sites/cds/files/vebixadefopomurizig.pdfIn PDF document text
- https://goez3.com/10005001208290177/ckfinder/userfiles/files/52518277433.pdfIn PDF document text
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b426dd495b5---vepasejikete.pdfIn PDF document text
- http://gayaarchi.com/userfiles/file/20210704224855.pdfIn PDF document text
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/160c59c8403d71---55857982981.pdfIn PDF document text
- http://struttur-arch.it/userfiles/files/54984271136.pdfIn PDF document text
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16083cd0c5d475---9936843276.pdfIn PDF document text
- https://sealskinz.ru/files/file/kadipin.pdfIn PDF document text
- https://tanthueviet.vn/img_data/files/tunajukodanunujefata.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=cod+mobile+how+to+play+zombiesPDF 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_off0000f076.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF076 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001088d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1088D | 10884 bytes |
SHA-256: 4c82ce60e5211e8a82a10592e55d545d6d3fc2c751cce63accd5044d9a036333 |
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font_02_sfnt_off000121a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121A1 | 17440 bytes |
SHA-256: 635a77f22cbaed777af65ca60c64b31684051931a268d778d3d3639201820bfa |
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