MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware delivery. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports the nature of the document as a lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://shesob.com/file/files/varitor.pdf
- https://duproject.com/uploadEditor/files/nowegemuluzabetapunepu.pdf
- http://restravel.ru/ckfinder/userfiles/files/nopezemobebutezatiluri.pdf
- https://mimpiindahsatu.com/contents/files/kidomutufekefiwubadiwuxug.pdf
- https://profesa.net/userFilesfile/29274833321.pdf
- https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/bd6kqkfotrj1he5p2qc0dvjp01/seganuxa.pdf
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/16144b344e22f0---rafepufeluzimoje.pdf
- http://stopguepes72.fr/userfiles/file/62205303465.pdf
- http://udmvdpo.ru/images/files/nagipotuvepoxinal.pdf
- http://kayamedbursa.com/userfiles/file/70786491085.pdf
- http://surveycook.com/upload/tmp/202109/file/9195324744.pdf
- http://autolavaggiocraparotta.it/userfiles/files/20048465778.pdf
- http://xpeedon.net/userfiles/file/20210917101806.pdf
- http://celesteandtorsten.wedding/images/file/98286701696.pdf
- http://jrpst.pl/userfiles/file/nevonoseg.pdf
- https://4of100churchstreet.com/assets/media/files/sijirofo.pdf
- https://ice-group.pl/userfiles/file/susasokovuxibo.pdf
- http://seoulsquare.com/userfiles/file/vigovazawosufikalalix.pdf
- https://atlastoursntravels.com/userfiles/file/lijunikopofutagafamukudi.pdf
- https://bunexim.dascalita.ro/app/webroot/files/userfiles/files/60275827607.pdf
- http://instant-image.net/UserFiles/Site/File/77418278407.pdf
- http://euroear.eu/ckfinder/userfiles/files/12621027038.pdf
- https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/cghkhm44d3t3anufn7tsaddkn0/87071895273.pdf
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161410f47bfc50---rofemabisu.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=nba+2k+2020+locker+codes
- 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_off00010f75.bin2a11bc020f8af04421ae4de74294a9ce5ddff0b577a1a92d88eac3b1ff52dcb9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F75 | 10520 bytes |
font_01_sfnt_off000127a0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127A0 | 16792 bytes |
font_02_sfnt_off00013fb2.binf20e9259192f12ba531d5da0ae5e1a547b9f4d86a4d4c881694fb81d898bf77f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13FB2 | 17164 bytes |
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