MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, containing numerous URLs that point to other PDF files hosted on various domains, some of which appear to be compromised or disposable. The presence of 'utm_term' parameters in some URLs suggests an attempt to track user engagement, common in phishing or spam campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://xn--z4qq44i.xn--kpry57d/upload/actfiles/topokageva.pdf In PDF document text
- http://waetsukai.jp/system/ckfinder/userfiles/files/74360304178.pdfIn PDF document text
- https://kujainspectors.com/candyticket/uploads/page_images/files/kejidunuduzepofokas.pdfIn PDF document text
- https://e-room.co/userfiles/file/67892431651.pdfIn PDF document text
- http://cdkuysuujk.handysociality.com/upload/files/jalivovul.pdfIn PDF document text
- http://formel1vermietung.de/userfiles/file/nijowidakunoju.pdfIn PDF document text
- http://carbontuning.ru/file/74879541119.pdfIn PDF document text
- http://wwsm-us.com/files/file/tokimirogafakipimagadiv.pdfIn PDF document text
- https://camelcarpet.org/d/files/joxafuxivun.pdfIn PDF document text
- https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/750f0af3a71132437205b682629aefd1/62095002963.pdfIn PDF document text
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/2ec2e13313b1ad2e023c808d26f26257/41977248228.pdfIn PDF document text
- http://ozanatalan.com/iboard/includes/userfiles/files/8931516054.pdfIn PDF document text
- http://ccshecea.org/upload/files/36541618493.pdfIn PDF document text
- https://oazapiekna.com/zdjecia/fck/file/79890127295.pdfIn PDF document text
- https://www.moxiclear.com.au/application/third_party/ckfinder/userfiles/files/93948526363.pdfIn PDF document text
- http://mackielaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/livoleximoved.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613773936ad97---22125004041.pdfIn PDF document text
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161357c8397790---84923875056.pdfIn PDF document text
- http://beergolfers.com/blog/images/file/61172013217.pdfIn PDF document text
- http://karthikeyanjayaram.com/userfiles/file/faxewisapunenud.pdfIn PDF document text
- http://guchen.ru/d/files/33032190027.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=iptv+link+m3u+freePDF 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_off0001029f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1029F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011ab1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AB1 | 23872 bytes |
SHA-256: e57f5027cc1ad3d3f35c2245b0a19e526a34ef79a0424f85bdae91f9590f0517 |
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font_02_sfnt_off000157f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x157F9 | 10452 bytes |
SHA-256: 713fe9e4a55c90907f3565767ebd722a13caf4d3bee955f25d482b6e441f65d6 |
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