MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to potentially malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://namngonviet.vn/user-/files/3869165343.pdf
- http://asiavent.com/UserFiles/file///36501898118.pdf
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce24d1bdf2b---8709584754.pdf
- http://fritz-fahrlaender.ch/download/gujewufokexanewesitenopar.pdf
- http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092ce0c82c9a---tejosalumofamanile.pdf
- https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d42efc7bcf---bemosoxogol.pdf
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/g8ctii8msv33kvs9655ia959kb/dubedufakerer.pdf
- https://gastrotest.co/ckfinder/userfiles/files/wogavubifuse.pdf
- https://yourlightingbrand.com/wp-content/plugins/super-forms/uploads/php/files/3357e04cfecda5650a3f1e94a3231fd2/83587374577.pdf
- http://autoshiftbid.com/fckeditor/userfiles/file/41992141349.pdf
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/160898d9ab9c5c---74880816055.pdf
- https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608663e6786ce---fipigekogimufojefi.pdf
- https://tolgyesvolgy.hu/userfiles/file/89026838185.pdf
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6a129369c5---19628454968.pdf
- http://mvdeastudio.it/userfiles/files/91661006150.pdf
- https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/3fbcf870315f48475c2c8594c9c30446/24459978907.pdf
- http://kolesnikov.pro/ckfinder/userfiles/files/37283808818.pdf
- https://stratasphere.online/userfiles/file/39203808823.pdf
- https://raiporjai.com/piceditor/file/7395388196.pdf
- https://bataretak.com/img/files/file/potiwuxitekonavonegat.pdf
- http://bahtiyardishekimi.com/fckfiles/file/70694091192.pdf
- http://highendschmiede.de/highendfiles/file/vipaxujinalokikigenodifo.pdf
- http://sztarmedia.hu/_user/file/rufejexitapobelofudodibez.pdf
- http://aliglobshop.com/userfiles/file/subisigigevijene.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=how+to+find+archived+messages+on+messenger+on+android
- 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_off0000e2ca.bin35dbf82f90b11fed428273af97b1b434febc32847bdde562b249d7c8df3fb944 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2CA | 17176 bytes |
font_01_sfnt_off00010f6c.bin4dbfb259267e768e0fb9d0155586a3517a1892a70e6a36c205f7fc030824abb8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F6C | 11020 bytes |
font_02_sfnt_off000128b5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128B5 | 16792 bytes |
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