MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of embedded URLs, many of which point to compromised CMS uploads and disposable hosting, indicating a link farm designed for phishing or malware distribution. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or trojan delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9876
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://kfnmdg.com/upfolder/e/files/20210618130027.pdf
- http://reelproductionshd.com/userfiles/file/85036095242.pdf
- http://www.corazondelsol.es/ckfinder/userfiles/files/giwibufesisobagikisunem.pdf
- http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aeaf2937ad7---migujomegagafiwoderiwolo.pdf
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093a4fb9e92b---gewamopujenerija.pdf
- http://esipro.lu/userfiles/file/vitonopavupezuvukomi.pdf
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/f21fb078eb15774db48ca59dd56dd883/zaxifovatizamofamomameri.pdf
- http://monroehighwildcats.com/clients/40160/File/15606960921.pdf
- http://agataklimowska.pl/userfiles/file/zufujarusugazuwiwikon.pdf
- https://cmsschoolkg.org/userfiles/file/50655999778.pdf
- http://edwardlankin.com/clients/86087/File/gozuzilaliturijexowoki.pdf
- http://cokhiminhhien.com/media/ftp/file/62600713293.pdf
- http://botosani.ro/img/uploads/file/wejivaxud.pdf
- https://mancomunidadvaldizarbe.com/userfiles/files/lisepinafufenaper.pdf
- http://hargrovefamilyreunions.com/clients/16272/File/jatuxasetu.pdf
- http://ccswcd.com/userfiles/file/85339441356.pdf
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bdeaa4b7c2.pdf
- https://xlspandoek.nl/userfiles/file/24046683564.pdf
- http://opakowania-loga.pl/zdjecia/fotki/file/44039437783.pdf
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/jagau7e6ns1p4q01ulvg75vijm/xamubobapujefuxozawo.pdf
- http://anhbanglaw.com/userfiles/file/nipaveno.pdf
- https://law.com.sg/wp-content/plugins/super-forms/uploads/php/files/da842a5fe68b106aef4b18fdcbfdb0f4/bezapigodotawa.pdf
- https://thewaves.net/wp-content/plugins/super-forms/uploads/php/files/tmo12abso331pi3efeagkkaquf/jisefakitetivizetej.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=wordscapes+daily+puzzle+november+1+2020
- 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/
- 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_off0000f142.bin161673a6eb22287e56312423a68c1c5984fd9267b6df0f15f56d6378be3b1955 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF142 | 17396 bytes |
font_01_sfnt_off00011e5e.bin86a7bb74c59483e0315c7e26a61286330d4b969394f96e170d87bc0a0554474d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E5E | 11344 bytes |
font_02_sfnt_off000138ec.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138EC | 16792 bytes |
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