MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The file functions as a link farm, containing numerous URLs pointing to compromised WordPress sites, likely designed to redirect users to malicious or phishing content. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/fdf80226e5464822cfce6819ed4bb779/kebunotus.pdf
- http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/931f667e2166f2930dca7c89ddedf637/78321215363.pdf
- https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/e4cd6b40bf5ec31668c57ca5d7b2ecb4/mitexatinovoru.pdf
- http://fandimnarodaku.cz/upload/file/21729186625.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b8bb3efcbc---bogubisebozatomij.pdf
- https://poldercuptrofee.nl/site/admin/ckfinder/userfilesfiles/febopezamov.pdf
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/5lv4eiqegvg8i4p6pql655230r/24863646981.pdf
- http://almar-bus.pl/userfiles/file/bodumogaxanavajamigesuxum.pdf
- https://realestateconnect.biz/wp-content/plugins/super-forms/uploads/php/files/bt9e79hgn61s0v68nhc9il0hd1/18171585897.pdf
- https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/2f99368bb687a615119ce75d6b57fe37/98488129695.pdf
- http://scamps.biz/userfiles/file/kakinirajutubibon.pdf
- http://eastendmediation.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/71191693820.pdf
- https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ac314b1170c---parakaxisebomesafex.pdf
- http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a526df50043---kuzizupedamozul.pdf
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/3d2lgm0mvdgeoaeo0eb5tkmhun/23684150297.pdf
- http://twfindia.in/userfiles/files/82860047831.pdf
- http://slp70.com/clients/873855/File/31704801847.pdf
- http://laiyi-art.com/userfiles/file/jamaxax.pdf
- http://sushiloverca.com/uploads/files/3956845097.pdf
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d2081149b50---wijixuxik.pdf
- http://woorymart.com/userData/board/file/9943263290.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=fire+force+s2+ep+5
- 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_off0000c9df.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9DF | 16792 bytes |
font_01_sfnt_off0000e1f6.bind27151f8659986cbe1c632883d74bbb3f4816ca87062312a99f214dd26373061 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1F6 | 10292 bytes |
font_02_sfnt_off0000f951.bine7e9d645f58ca9510893fddbe4e0ca05d57f5caf57a52da50ea2e6456389200e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF951 | 17088 bytes |
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