MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm with numerous URLs pointing to PDF files hosted on compromised websites, suggesting a phishing or malware distribution attempt. The presence of external URI heuristics and the compromised CMS upload link farm indicate a likely intent to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 https://philabc.ru/uplcv?utm_term=ickle+bubba+stomp+v2+instructions
- http://okmarin.ru/userfiles/file/63190833496.pdf
- https://teenvolunteer.org/wp-content/plugins/super-forms/uploads/php/files/45108a191030e663e855fd23c7e9ea06/bujozenolumoreve.pdf
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/1609ccd2745e20---natopelujasadumofuselij.pdf
- https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/tt5hp33vg2p8f2gq7ffr2s279h/bodamu.pdf
- http://bethtikvahevents.ca/clients/2/20/20a91c0cb94b02964b0d1c5d980f1596/File/88849513292.pdf
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1608d79a78954e---24682606264.pdf
- https://soudurelauziere.ca/upload/editor/file/6759856337.pdf
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607995e93d0d7---32962334021.pdf
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0386e2a6dd---34960363930.pdf
- http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/ofeunkdmjpl1teus6sbgon0vg4/1990961419.pdf
- http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/160732256e2301---defesidim.pdf
- http://fipjp.com/userfiles/file/61444880884.pdf
- https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/b31af1e644f2c9c58e167622c7e84bac/60529050782.pdf
- https://dangeloremodeling.com/nbloom/fckuploads/file/ropapefinewenowin.pdf
- https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bda9527ef5d---bawulitaforeditulag.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092839dd24df---bikizunarikuki.pdf
- https://zevkotodoseme.com/upload/ckfinder/files/putapaweb.pdf
- https://www.llgnjinc.com/wp-content/plugins/super-forms/uploads/php/files/4b29beda3246f10690a611ba217e80c0/20993687482.pdf
- http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/45744d08901c8709443ed5a64190eb7a/59334907022.pdf
- http://mallenmediations.com/mallenmediations/images/userfiles/file/67032209028.pdf
- https://nakatarikaszel.pl/app/webroot/userfiles/file/32181762994.pdf
- https://cgeminfos.ma/upload/file/38245576001.pdf
- https://lanjutpt1.com/contents//files/gasufazagema.pdf
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/15bad20177bf5f105adc4d54754d9c05/48408961894.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_off0000f9bd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9BD | 16792 bytes |
font_01_sfnt_off000111cf.bind5ca6d1519799e1b82d74c188f3b5d86776d27985078cd776a4c862072027f1c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111CF | 17720 bytes |
font_02_sfnt_off000140a2.bind6e71ae89da239c662b7f2db04f8e377b7e08a8cb9984bc5ea891be1be158fd8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x140A2 | 11004 bytes |
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