MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by a machine learning classifier and ClamAV. It functions as a link farm, directing users to multiple external websites, some of which are hosted on compromised WordPress installations or disposable domains. The presence of numerous links, including one with a 'utm_term' parameter suggesting a search query, indicates an attempt to lure users to potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://artgrafika.cz/userfiles/file/wafujewemigemaravakuwoxe.pdf
- http://tajesink.com/Uploadfiles/files/sibofakefexaxuk.pdf
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615348ee1d2c5---fapoxefiwu.pdf
- https://smilaxlabs.com/userfiles/files/23362986789.pdf
- https://immo-cjeanpaul.lu/userfiles/files/79721795417.pdf
- http://koala-al.com/d/files/24592679590.pdf
- http://btfa.tw/upload/files/83603544192.pdf
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16145fe86a4332---gariza.pdf
- http://www.farmaciapenil.es/userfiles/files/wudinidemi.pdf
- http://www.dogwoodagility.nl/ckfinder/userfiles/files/63433420331.pdf
- https://elperrocallejero.info/ckfinder/files/nutexubanaw.pdf
- http://villabrown.it/userfiles/files/saduzimizetu.pdf
- http://microcement.ua/userfiles/file/jusimojirege.pdf
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161308182a2490---51303786648.pdf
- http://chulatutoracademy.com/chulatutor/ckfinder/userfiles/files/86794933100.pdf
- http://world-spa-resorts.com/dok/rofemiwefopoliwilanekef.pdf
- http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147aafa521f8---89332345074.pdf
- https://lee-trading.tw/archive/upload/files/pikulamubiki.pdf
- https://r4binsh4h9-att.com/contents/files/tawogemevolokedibixodata.pdf
- http://lovesenergy.nl/file/vatesinifomulebokinitute.pdf
- https://refakatci.net/userfiles/file/dakafevogudi.pdf
- https://nodka.eu/ckeditor/ckfinder/userfiles/files/nevukezusumijugeraxedu.pdf
- https://kit-veron.my/ckfinder/userfiles/files/10015106236.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=stick+cricket+hack+mod+apk
- 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_off0000aed7.bin7fdd62a4ddf178a1815ed54d3372e739e5c1fbcb64b03e0d4b25e00d04525cae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAED7 | 10628 bytes |
font_01_sfnt_off0000c72c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC72C | 16792 bytes |
font_02_sfnt_off0000df3e.bin86464bcea8f08769fd8c64e0a0da07cafca52591d6e19beff58d8f6da5a96e7e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF3E | 15288 bytes |
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