MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm, with many embedded URLs pointing to potentially compromised or disposable hosting. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure and URL analysis suggest an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9702
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://cmtoolsrental.com/user_img/files/kuxisadedosaxitagexuxison.pdf
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/b4dmdsh3fs50rehi84sbb7cnkb/70737427960.pdf
- http://productinfo.in/konadnew/userfiles/file/18376790469.pdf
- http://v-lukomorie.com/uploader/files/13704129778.pdf
- https://carsen.sk/editor_uploads/system/files/bururo.pdf
- http://siciny.pl/userfiles/file/69359729969.pdf
- http://bluestandard.pl/ckfinder/userfiles/files/bopananuvonipodedagefijev.pdf
- http://aliguoriarchitetto.eu/userfiles/files/79064422926.pdf
- https://fsbulletsandbrass.com/userfiles/files/77256097911.pdf
- https://aslplastic.com/ckfinder/userfiles/files/fomiv.pdf
- http://sportsbettingconsultants.net/cote_dor_import/admin/ckfinder/userfiles/files/83721895595.pdf
- http://yilip.net/userData/board/file/laxeg.pdf
- http://air-ned.com/uploads/files/zawopiretas.pdf
- https://arslanemlak.com/E/file/
- http://techscreening.com/userfiles/files/11240325555.pdf
- https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f3e3d480e8---20282170021.pdf
- http://kiddeefire.com/media/userfiles/files/78053926327.pdf
- http://rjt1.org/upload/files/nigaregokaworoturag.pdf
- http://pujcovnanaradi-tvarozna.cz/userfiles/files/sofuzibutum.pdf
- https://mk-sito.it/uploads/file/vituvumixajezimogut.pdf
- https://suthuytinh.com/app/webroot/uploads/files/mepaditifutalaf.pdf
- http://usatovl.ru/upload/fckeditorfile/20189543442.pdf
- http://cwpni.com/userData/ebizro_board/file/4307833559.pdf
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/30c625c2976465c3cdaddf7c8d1fe51e/5168863950.pdf
- https://u15.ch/ckfinder/userfiles/files/kunikojisixavijew.pdf
- http://89928386.com/uploads/files/202109081917521130.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=temple+run+2+2013+game+download
- 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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ccce.bin677a381e080b89719f45604854b27a5161de6ce4e11f33cc1e2096c40acf9a31 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCCE | 22668 bytes |
font_01_sfnt_off0001062f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1062F | 16792 bytes |
font_02_sfnt_off00011e46.bin5007fd6955486c6143c39354881e999c56d8bf78853c19cb2fba9a12cbc01aa6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E46 | 10992 bytes |
font_03_sfnt_off000137a5.bina0f26d9ec2bc0bbc84dfb8c1a224a49f7f70479ac92e21d726acd811d43f3bd1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137A5 | 16164 bytes |
font_04_sfnt_off00014d41.binef4c56b83544acc0eae329b123dcb13384a4443b8ee25b6b011fcec9f25c534c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14D41 | 1820 bytes |
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