MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains numerous embedded URLs, many of which point to compromised or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://sireny.net/share/files/zutuduze.pdf In PDF document text
- http://suachuamaydemtien.biz/userfiles/file/tirito.pdfIn PDF document text
- http://hkbroadwin.com/userfiles/46430957580.pdfIn PDF document text
- http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/98ca54c8e2911dc55c6a2608b3480cbe/zovepulawe.pdfIn PDF document text
- http://espokebar.com/uploads/files/95115298751.pdfIn PDF document text
- https://rendszergazda-cegeknek.hu/ckfinder/userfiles/files/3172003207.pdfIn PDF document text
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613259b37b19f---81518972270.pdfIn PDF document text
- https://thuaphatlaihanoi.net/uploads/files/57668985821.pdfIn PDF document text
- https://www.stnedu.com/ckfinder/upload/files/98165420992.pdfIn PDF document text
- http://imosa.asia/uploads/files/202109160216324224.pdfIn PDF document text
- http://altus.pl/userfiles/file/damesagofebulakiz.pdfIn PDF document text
- https://rts-wm.com/ckfinder/userfiles/files/9198063226.pdfIn PDF document text
- https://vegas-shop.net/uploads/files/42689397270.pdfIn PDF document text
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/161410f2844511---xumebiruzaxenaxuvoxunaver.pdfIn PDF document text
- http://lpxs168.com/filespath/files/20210918161114.pdfIn PDF document text
- http://parkergeneralcontractors.net/userfiles/file/35768517726.pdfIn PDF document text
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136aa6b8b628---kotewazukebanagaloxalulo.pdfIn PDF document text
- http://roseeskin.com/userfiles/file/20210914080902.pdfIn PDF document text
- https://garnet-medical.com/userfiles/files/betegadoniwize.pdfIn PDF document text
- http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133404c8d198---rodixajopakaxov.pdfIn PDF document text
- https://synodradomski.pl/userfiles/file/3182083525.pdfIn PDF document text
- https://erdenet.mn/userfiles/file/kudokonawula.pdfIn PDF document text
- https://ppkh.net/userfiles/file/begasuzomolom.pdfIn PDF document text
- https://heyratacademy.ir/file/tejirilon.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=can+facetime+do+group+callsPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d705.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD705 | 17280 bytes |
SHA-256: 93d0d9fa5e9eda313dd809683d96963f4340dc44d54a1d6636153b2ff1c3b363 |
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font_01_sfnt_off00010363.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10363 | 11092 bytes |
SHA-256: 5c66545f13ce4cbd1eb2cc575a625360e5d7bfb8dc4a6a401a0b826b7f7abe0a |
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font_02_sfnt_off00011d0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D0F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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