MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://aceonlinementors.com/userfiles/file/pixozanuguwefasopun.pdf In PDF document text
- https://alkalacarservice.com/public_html/userfiles/file/19469705083.pdfIn PDF document text
- http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cfb416134eb---96538546145.pdfIn PDF document text
- https://quickonboarding.com/wp-content/plugins/super-forms/uploads/php/files/68e1207662b52fa05b97f56dce8ecfd9/pepukupojoj.pdfIn PDF document text
- https://bilalyapidekorasyon.com/userfiles/file/20311878341.pdfIn PDF document text
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f577d2a757---jevenezugizo.pdfIn PDF document text
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c3a0b309bcc---kadew.pdfIn PDF document text
- https://upbfassadenbau.com/upload/file/jagelobadadigugoru.pdfIn PDF document text
- https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab1e4eb9755---2754030791.pdfIn PDF document text
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/16072d2f612911---wilemenabumufotoda.pdfIn PDF document text
- http://norrlandet.se/userfiles/file/wuzejibufelejekifoxasu.pdfIn PDF document text
- http://1-cx.com/ckfinder/userfiles/files/ruxuz.pdfIn PDF document text
- http://www.alexgis.com/siteuploads/editorimg/file/desapenurugowavoja.pdfIn PDF document text
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/e83lu6vfkt8t2q176t1qt88hu1/degalefexep.pdfIn PDF document text
- https://hosvagyok.hu/userfiles/file/56339218327.pdfIn PDF document text
- http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/16098c12365eac---73932142252.pdfIn PDF document text
- https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/c6e66d3f13025f7c1c14459c96044867/tavipati.pdfIn PDF document text
- https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/jkrt4lkbvrsbrkhahciesssffv/60331549077.pdfIn PDF document text
- http://abnicum.com/files/file/lavazipuputixafadizabaro.pdfIn PDF document text
- http://agataklimowska.pl/userfiles/file/fugizatewo.pdfIn PDF document text
- http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/160727ed35dfa7---5643793196.pdfIn PDF document text
- https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/4b92b329a144a4468b8d0a79fa473357/98660844383.pdfIn PDF document text
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160c43ee880095---30946841452.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=joker+suicide+squad+mp3+song+download+320kbps+pagalworldPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c629.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC629 | 11728 bytes |
SHA-256: 0a4d2ceaccb0068244c818bae6082875b22d72c3a4ccb314d7f5396fcc700fa3 |
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font_01_sfnt_off0000e181.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE181 | 16160 bytes |
SHA-256: 5c13cceb9d36bbc2bc20aea0fe1d16ac5c722eae827defaa6d249ccd2c25c082 |
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font_02_sfnt_off0000f705.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF705 | 17232 bytes |
SHA-256: 444994948393bd86cac26a685a91c32a22ac96a7a51025f28019ee5ad653b90c |
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font_03_sfnt_off000123b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123B9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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