MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous URLs pointing to potentially compromised websites or disposable hosting, suggesting it's used to distribute phishing content or second-stage malware. The PDF structure itself is heavily obfuscated, but the presence of embedded URLs and the heuristic firings strongly suggest a malicious document designed to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://ketchas.ru/uplcv?utm_term=pascagoula+ms+to+gulfport+ms
- https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/6338104f68de9d100345445c1de0d60d/xikilifododuj.pdf
- https://performanshost.com/calisma2/files/uploads/10427656865.pdf
- http://incucinaconalberta.com/userfiles/files/97472556243.pdf
- http://feach.ie/images/uploads/file/mukov.pdf
- https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a59c6a5bb35---xadaxejo.pdf
- https://cashmeredreams.com/wp-content/plugins/super-forms/uploads/php/files/cead593b743e80f64d29841a48c36f96/kojepin.pdf
- https://lawyerupsmart.com/tempimg/file/tudim.pdf
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160725824561d7---vifawuserokurolinalulo.pdf
- https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/a6ee72eda3591abe1508a8bcf90a989b/magetinukuxuzimu.pdf
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160754db06f1ed---kitoxipafavawuretibunug.pdf
- http://arunimaflavours.com/userfiles/file/fipiwulewevuvosizosani.pdf
- http://kiavysocina.cz/UserFiles/File/5051953380.pdf
- https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/6ae0004fbf42d714c03120b58054edb0/61656061044.pdf
- http://studioarchperissinotto.eu/userfiles/files/tuxabamawibutanofogu.pdf
- http://malbreil.com/userfiles/file/38746931254.pdf
- http://chinamakina.com/userfiles/file/noseparimutukemabejib.pdf
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/1607c61cdb2f54---jupatewigubo.pdf
- http://ligneus.hu/upload/file/kirurifuvurigegoji.pdf
- http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c981b04c709---52115639944.pdf
- http://gesundezellen.de/neu/userfiles/file/87457229560.pdf
- http://gerocuki.hu/user/file/ximuwefemi.pdf
- http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/90233a21d83eb81fefe5f9d5831894ca/1157611323.pdf
- https://www.apartamentselsllacs.com/wp-content/plugins/super-forms/uploads/php/files/824ui391f203f6br0vku7he0dj/54722504616.pdf
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/ae63c53456c81d906662e85b6502e6ab/45944399847.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dfac.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFAC | 16792 bytes |
font_01_sfnt_off0000f7c3.bin458dfb28ad02ebe3e20d6cfd6cf147bfbdf9476972a4be5c3aafe34f0def5134 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7C3 | 10596 bytes |
font_02_sfnt_off0001100f.bin53ddc5947dfab127b692baa78116d0a288e7422f2befbf6b619fd09757a6498b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1100F | 17468 bytes |
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