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 a link farm, with many URLs pointing to potentially compromised WordPress upload directories. The ML classifier and ClamAV also identified it as malicious, specifically as a phishing trojan. The document's structure and embedded URLs suggest it is designed to lure users to external sites, likely for credential harvesting or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/160820f36ba3b3---12432258174.pdf
- http://ndt-tl.ru/upload/file/59573715435.pdf
- http://thehonourride.ca/clients/c/c2/c2a221447f3e921143a55eca482c8289/File/60337810676.pdf
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/7ed1ddf9ca881bf0851d26e49a6d7c36/90611748095.pdf
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/2f06757ed61f6ea0c5d4abeb9c7f96bf/4634012580.pdf
- http://cy2hand.com/userfiles/risit.pdf
- http://rafaelokazakov.com/file/76832301485.pdf
- http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b5ff15084f9---kulowovumixaposidavarojaw.pdf
- http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160ac6528c643c---35921680683.pdf
- https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/aru5dl2tu67olcb259p1kjiul5/tunup.pdf
- https://gyn-koe70.de/obrazky/file/tixixurawim.pdf
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/16076206f8fb6a---84968613984.pdf
- http://gocreate.termall.pl/upload/fck/file/wogenibarufi.pdf
- http://kayamedbursa.com/userfiles/file/1188104700.pdf
- https://atlanthealth.com/wp-content/plugins/super-forms/uploads/php/files/be453eb0731cc094f8df8e38c27a91ef/58832785179.pdf
- http://carriewoodfamily.com/clients/5/5b/5b9f2fb360c4065436fb7fe1267c3612/File/beniwokifizirovokuwerapep.pdf
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16072f3ae9a47c---vewokezopesofomavu.pdf
- https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/c946715f47d5bd44c4392f8daa5c229d/botaki.pdf
- https://kvkumariajnkvv.org/singhania/downloads/file/lawota.pdf
- http://polyalpan.hu/_user/file/26524402091.pdf
- http://iltorg.ru/upload/file/pekazamanexogofowa.pdf
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/9b889f1854fb2aa08ffaf8bfa2f5c096/85861828868.pdf
- https://abeess.com/userfiles/file/46950122452.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=how+to+mla+cite+an+anthology
- 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_off0000fe0f.bin9dfd4e2ad6ffbef44eae3ee090589a4b52b26ba0dfd8e49be9e589e719a8057c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE0F | 10600 bytes |
font_01_sfnt_off00011613.bin0e8ccb41db3fd28f429c8308c469290bf6d91fb45b7fe490b3b4a9d142c14c48 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11613 | 16992 bytes |
font_02_sfnt_off0001429a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1429A | 16792 bytes |
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