MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs that point to various domains, many of which appear to be compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of creating a link farm on disposable hosting, likely to distribute malicious content or phish users. ClamAV detection as 'Pdf.Phishing.Trojan' further supports the malicious intent. No scripts were extracted, but the structure suggests a malicious document designed to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9827
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 https://queure.ru/uplcv?utm_term=watch+korean+movie+obsessed+eng+sub
- https://whatproperty.ng/ckfinder/userfiles/files/sawuk.pdf
- https://merohamro.com/ckfinder/userfiles/files/44660173372.pdf
- https://cyklo-wellness-penzion-palice.cz/content/zozalezagejivetapagusefub.pdf
- http://manisafar.com/basefile/marcosafarir/files/soporajelelutusovudetov.pdf
- https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613c684c4eea1---70051734472.pdf
- http://onlinecommerce.bg/uploads/pages/files/goniwodi.pdf
- http://msslink.ru/userfiles/files/2467008803.pdf
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134077e2c3ad---49927844274.pdf
- http://akiisushi.com/uploads/files/79704908236.pdf
- https://psychologgia.pl/Upload/file/73454265200.pdf
- https://syntellect.ru/Repository/file/96444239076.pdf
- https://xylemleads.com/userfiles/file/borupakipakodolixezor.pdf
- https://franciscovalles.comtraining.cl/userfiles/files/16153935718.pdf
- http://www.mezmat.ru/ckfinder/userfiles/files/79283169450.pdf
- http://medicaldistri.com/ckfinder_files/files/33421543999.pdf
- http://hamdannepal.com/userfiles/file/fizol.pdf
- http://usagimatur.com/files/others/55318124360.pdf
- http://poledance-chrudim.cz/files/file/67742162238.pdf
- https://ever-progress.dacola.com/upload/files/fenuzusowaxomivarun.pdf
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ca6f380256---88332379484.pdf
- https://gotoko.com/cmsv2/upload/files/fupefiberitujazo.pdf
- http://www.peretprod.ro/content-images/file/matokaluguko.pdf
- http://hongdanhaudio.com/luutru/files/53307320767.pdf
- http://ahkjt.com/upfile/file/jewiwebinitiwuna.pdf
- http://arrhythmiaclinic.com/userfiles/file/20210905181708.pdf
- http://lukoilmarine.com/ckfinder/userfiles/files/27807111062.pdf
- http://poorclarescork.ie/images/mosorer.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_off0000c368.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC368 | 16792 bytes |
font_01_sfnt_off0000db7f.bin0914b129cc60e7b734df3ea9fd2d0059b49f1d30a0512cb7a68f687da447f81e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB7F | 11164 bytes |
font_02_sfnt_off0000f53f.bin5f9a9333de776e25f3c43bc9eea214d116867eae047af8504ee6830744c6ec94 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF53F | 17272 bytes |
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