MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
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, with numerous URLs pointing to potentially compromised websites or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of external URIs and links to compromised CMS uploads reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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 http://insidethedigitaltrend.biz/userfiles/file/69424798483.pdf
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/22a151f3a0a34a9fae378e2357035a86/31702290251.pdf
- https://amd-export.com/site/upload/file/20048141323.pdf
- http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160bd3a6380fe1---39931480197.pdf
- https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/mq6bpah89qc8o778ecilk7mgq2/wufofotofokon.pdf
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160829831a086a---kemupozowokinovezirox.pdf
- http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/160b4ae0d6fb55---10634090937.pdf
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/9d604ffd8ae482919a109c7666f4a52e/fejizevexotezokalix.pdf
- https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/57a31f280b59d96f1cf38ad5d3d5ab8a/kebaxe.pdf
- https://www.citysecurity.org.uk/wp-content/plugins/super-forms/uploads/php/files/87l93tclbh0tglsljtjeroq1rs/68262459604.pdf
- https://avenue102.com/uploads/file/28932055282.pdf
- https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/5c43d30b6b3b97c67891395fac61c7f5/89588671975.pdf
- http://autoset66.ru/admin/ckfinder/userfiles/files/2395786602.pdf
- https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1607fa7969bce4---nulovisezegibajija.pdf
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160adb0760c8fe---sosijeneduzogaso.pdf
- http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160943cc88b890---duzadesubufedagebefo.pdf
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160728dc09fdbd---pujikikazenewuz.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=dry+shampoo+makes+my+hair+greasier
- 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_off0000eb8f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB8F | 16792 bytes |
font_01_sfnt_off000103a6.bin60e3c687f1c190455778eb1a961dc058482e8b5f357e69dd7a85d4b26f94a2de |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103A6 | 10656 bytes |
font_02_sfnt_off00011c13.bince48c19ab65165b04381425e333f9d52e9be35647633fb6aaf75e7a659025722 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C13 | 17436 bytes |
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