MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and a link farm pointing to compromised WordPress sites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded JavaScript likely facilitates the execution of malicious code or redirects the user to a malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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 https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/57c5259b51143dbe79e94c78392d6f6d/81848790447.pdf
- http://micronforgacsolo.hu/UserFiles/file/89200393064.pdf
- https://alasclub.gr/neuro/ckfinder/userfiles/files/59371883833.pdf
- https://mosallaesf.ir/uploads/ck/files/sitalinudegi.pdf
- http://summitremodelinginc.com/userfiles/files/82677314478.pdf
- https://matricula.netlandschool.cl/files/sodomazorujexusavufotuza.pdf
- http://aolisenjiancai.com/data/files/bawifudunekuso.pdf
- http://hoangminhsaigon.vn/@dmin/js/ckfinder/userfiles/files/10417151689.pdf
- http://chukysovin.com/img-svc/files/xunusuvoveditanubus.pdf
- https://sofupingame.net/calisma2/files/uploads/tofatavorakoj.pdf
- http://whatcanidoforyou.eu/publish/file/94303462503.pdf
- http://tabletopad.com/images/file/juzogag.pdf
- http://mamolenasnc.it/userfiles/files/xafuwugeruwedamojuvabe.pdf
- http://astmasme.com/userData/board/file/lowigidajav.pdf
- http://wuyioutdoor.com/userfiles/file/63337221912.pdf
- https://desco.scp.hr/files/xebuzavagi.pdf
- https://cosplay-expo.it/ckfinder/userfiles/files/6463119416.pdf
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/161392a7d63278---labodoxikitopagegoropisig.pdf
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/16130e4b097beb---peselol.pdf
- http://semanbio.com/upload/files/39471796548.pdf
- https://afma.pt/site/upload/file/piritakagovojud.pdf
- https://cvsc.co/userfiles/file/30344336444.pdf
- http://caramelitos.sk/files/lonizitaraxe.pdf
- https://uslugiinzynierskie.eu/eurostyl/photos/file/71551239090.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=mobile+mortal+kombat+cheats
- 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_off0000d630.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD630 | 16792 bytes |
font_01_sfnt_off0000ee47.bina52a1bdfdc333e6879923d846bfc00cc9cd63edbaa79cb2714f5ddb4655abab0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE47 | 10616 bytes |
font_02_sfnt_off0001068e.binb688b6da1731a6f476f20596a92963817644d53cdb250a8fcf12e89cded68fea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1068E | 18968 bytes |
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