MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is a PDF identified as malicious by ClamAV and an ML classifier. It contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm or SEO manipulation tactic. The presence of these links suggests an attempt to direct users to potentially harmful external content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615a9bbce2599---39531597943.pdf
- http://tacchigroup.com/public/thread/risorse/file/21904099530.pdf
- http://at2apigroup3.com/contents/files/damukanibonepadobi.pdf
- http://bunny888.com/ckfinder/userfiles/files/76405305621.pdf
- https://daks-96.com/f/uploads/files/94074928047.pdf
- http://www.icf-plant.com/files/file/3520040652.pdf
- http://perfect-gallery.com/userfiles/file/bazoponoji.pdf
- http://ayurvedicclinic.org/userfiles/file/voterexariparevejixelikip.pdf
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/4c684da56ef3c3bad507c44eb6586b14/73279735050.pdf
- https://sanruouvang.net/images/uploaded/file/feduwivibuwokadigagexazuv.pdf
- http://online-cycling.com/files/file/danexugizejunolejizuvekip.pdf
- https://100tmt.com/uploadimage/files/20210922164328.pdf
- https://wittnebel.dk/file/33751674701.pdf
- http://dpsszczytno.pl/photo/file/2153530271.pdf
- https://learn-atdi.com/uploads/files/nujikivepezimi.pdf
- https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/22f79ee7575d4cb6b83d77afa8840fb1/49871070282.pdf
- http://tianfonmm.com/d/files/betixofufafatilawageju.pdf
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613672f9c6824---tofiripiwovavebot.pdf
- https://bachson.net/upload/file/87452737431.pdf
- https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/16150d020d2997---samamixuxaz.pdf
- http://heydarbaba.org/resimler/files/22921008238.pdf
- https://cuisinescartier.ca/upload/editor/file/wovuzowikidipunejokexu.pdf
- https://sibconsulting.com/contents/files/paxawo.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=raymond+williams+base+and+superstructure+in+marxist+cultural+theory+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_off0000d963.bine2762ed0510bb88950e2faf857a6d9cdacd3da7425ff0e3f7e698a05bac15796 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD963 | 11472 bytes |
font_01_sfnt_off0000f42d.bin1925bf319a9eb80e976f482cdf1f0331774256904c632de74e99583c3ab96220 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF42D | 18724 bytes |
font_02_sfnt_off00012429.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12429 | 16792 bytes |
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