MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to compromised websites, likely intended to trick the user into downloading a password-protected archive. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates the document provides password instructions for an archive, a common tactic to bypass gateway scanning. The ML classifier and ClamAV detection strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/c8eb987089c651b66be9d084ae9173bd/disuvupe.pdf
- https://rubin2000-distribuitorshop.ro/userfiles/file/vavazunapofepumomuk.pdf
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094cce7b972a---zerofomosufonozapipedupoz.pdf
- http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/496f0f3f69e6ed068fbbc0811e60d6e3/gevuxazigokavapunepax.pdf
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8c97bbb99---balis.pdf
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/20981b255b9bf9af85273e1df8203578/mavorof.pdf
- https://amerismithenterprises.com/wp-content/plugins/super-forms/uploads/php/files/c4fbfb4cc7fdfb32aac5d6a086efc1ca/32791406435.pdf
- http://allaboutdowney.com/userimages/sibotizezakovozavonavi.pdf
- https://www.rowtheerne.com/wp-content/plugins/super-forms/uploads/php/files/c9bbc69e820c9e742e94deecb36ea6a5/vojuwisonizevovivabowu.pdf
- https://bbpartner.cz/userfiles/file/81599638777.pdf
- https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/tsl8j1jdo162sc7215i48a4ep5/dabir.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160818d8fde7e2---dasogaxekijuvugomo.pdf
- http://albino-pitti.com/pub_img/file/judujosira.pdf
- https://northstarexecutivesearch.com/wp-content/plugins/super-forms/uploads/php/files/04941ea8de7d59126d0a223e25a7e730/20868530990.pdf
- http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160afa948868d3---dudedeboxowikufapawamozi.pdf
- https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/1bcd8e2bb3290ba5a1425439388884e1/vimebevus.pdf
- https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/815be1b5ebdda7f954686276db860847/toriluzalakijogugus.pdf
- https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/pmvsrs8270fu3atnqsm29tlchu/82272707698.pdf
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160a70f23c7616---juwap.pdf
- http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a0fbd354b7---fafezedunesenodepipu.pdf
- http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607f801a2e108---47349296303.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=synchronicity+carl+jung+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_off0000fd35.bin7466e8f9a47e8da19a12a7beaf82fdbe793b9476c823de6f0857c8af6a4b3c73 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD35 | 20888 bytes |
font_01_sfnt_off00012f79.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F79 | 16792 bytes |
font_02_sfnt_off00014790.bin40271d2908dbd6d308984127d9578c85cc365b962f656b2d722a53a26b1edaa8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14790 | 11016 bytes |
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