MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous embedded URLs, many of which point to potentially malicious or disposable domains, suggesting a link farm or phishing lure. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating an attempt to manipulate search engine results or distribute content through a network of low-reputation sites. While no scripts were explicitly extracted, the nature of the PDF and its embedded links strongly suggest it's used to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
Heuristics 5
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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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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://kmsenior.org/file/files/40826809699.pdf In PDF document text
- https://ostrichpharmaceuticals.com/userfiles/file/vakuz.pdfIn PDF document text
- http://webcertain.ca/contentupload/fckeditorUploads/organization_/file/26929519671.pdfIn PDF document text
- https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/460fc6952dba6ad9d56cf206587e1961/bosurejubesupokuf.pdfIn PDF document text
- https://buka.ru/sadm_files/falojiwasulujiti.pdfIn PDF document text
- http://www.teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/sotigupududenuzufazopilel.pdfIn PDF document text
- http://abwingsmd.com/uploads/files/85889412385.pdfIn PDF document text
- http://chornakorn-packing.com/ckfinder/userfiles/files/lufipilininesuzono.pdfIn PDF document text
- http://the100voicesofgospel.de/fichiers/newsletter/file/41131964932.pdfIn PDF document text
- http://zamgph.com/FCKeditor/editor/filemanager/connectors/php/uploads/file/180322507967.pdfIn PDF document text
- http://zeci.nl/im/image/55016331699.pdfIn PDF document text
- https://plagij.at/ckfinder/userfiles/files/fenelorexeludule.pdfIn PDF document text
- https://sicurezzaips.it/uploads/file/raloxeviwigafapu.pdfIn PDF document text
- http://carlaschroyen.com/content_docs/boralajemewela.pdfIn PDF document text
- https://airflow-skateboards.com/upload/file/raxana.pdfIn PDF document text
- http://xn--h49al71atridzo.com/userData/board/file/10779157231.pdfIn PDF document text
- https://tonitomov.com/picture/file/31516370883.pdfIn PDF document text
- http://matkinhantai.com/luutru/files/lizumaxipusol.pdfIn PDF document text
- https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161406ed617def---bibavovewukibewumoxiwot.pdfIn PDF document text
- https://kiemtoandongnghi.com/public/plugins/ckfinder/userfiles/files/15431036528.pdfIn PDF document text
- http://prabashproperties.com/ckfinder/userfiles/files/gituda.pdfIn PDF document text
- http://gesundimjob.at/images/content/files/zapadofox.pdfIn PDF document text
- http://busto-wl.gattinonimondodivacanze.it/themes/userfiles/files/vemelenope.pdfIn PDF document text
- http://irollee.com/userfiles/file/44366777938.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=prepaid+cell+phone+plans+reviewsPDF 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_off00011774.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11774 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012f8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F8B | 10664 bytes |
SHA-256: 81c3567649ecc4ccdc0898938a7b1796aebd4a6076575ba16dd59ad0ca8a3451 |
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font_02_sfnt_off000147dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x147DC | 19500 bytes |
SHA-256: ed34b05004fbb8ec5755db4b5079bb0500dc2fe6796c50bf41d608871457554e |
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