MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised WordPress upload directories or disposable hosting, indicating a link farm designed for malicious redirection. The ClamAV detection and ML classifier strongly suggest a phishing or trojan payload. Although no scripts were explicitly extracted, the nature of the embedded URLs and the PDF structure align with techniques used to deliver secondary payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://toyteepee.com/uploadfiles/file/210511040023701314hfz72a.pdf
- http://amazingindiaphotos.com/amazingindiaphotos//upload/fckimage/file/nelidedid.pdf
- https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/c64jalbchjg185btqr3n8aa02t/9504395916.pdf
- https://prsnashville.com/wp-content/plugins/super-forms/uploads/php/files/95b0ec8e9ee0a31d2ed4cdfdd8b599c1/depirizov.pdf
- https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/66246512ef465a575f9539282b48257e/wopejeribufumogo.pdf
- http://xn--o79av69abka850ab6c.com/upload/file/202106091830235832.pdf
- http://dichvuwebsites.com/media/ftp/file/23440224949.pdf
- https://ngoctraithaibinhduong.com/uploads/news_file/47903176861.pdf
- http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160cac47dc5f86---27108916900.pdf
- https://drvishweshwari.in/userfiles/file/rusutofavuwatewalosuteraz.pdf
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/7c538fc335b5bb2139ee814c053ed257/62673021575.pdf
- https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160701ce77e108---33218410559.pdf
- http://xn--80aantfcaehjbxzf1m.xn--p1ai/userfiles/file/85911345047.pdf
- https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/c1994197b62ba8ab1e9eae09f673ec9b/88395113853.pdf
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a9640ea680---vejomuxonanemoxodevomi.pdf
- http://www.startservis.sk/novy/ckfinder/userfiles/files/nikijugekumud.pdf
- http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a466b6a03cd---gebibadu.pdf
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/9e808703a68aba97b643a136073aaa61/44735075140.pdf
- http://driver-jazda.pl/upload/file/45795181933.pdf
- http://domeinbeverdonk.be/assets/files/file/33256764073.pdf
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/d65b8ac9412aefc795ee7d4c308fa1ca/tijidepuna.pdf
- https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/eabfe4a48b3c56e29e6238f7516a0810/33822772848.pdf
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/2ad4a54007895224f68a5ee370135548/49983091102.pdf
- http://be-now.pl/userfiles/file/majimeberufulubelime.pdf
- http://charivne.info/images/file/4630528270.pdf
- https://thealloywheelcentre.co.uk/wp-content/plugins/super-forms/uploads/php/files/3fc31b996f62a3eb1d43a3373fac71ff/pozowiwosipawujurujum.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=use+of+epidemiology+ppt
- 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_off0000fb7a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB7A | 16792 bytes |
font_01_sfnt_off00011391.binbc78a985beab73319e8ed0c629b0f5e2b0f95626cacbc6835675d29b5f6b4633 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11391 | 10596 bytes |
font_02_sfnt_off00012b98.bin2e69df986c039ef106ba255abd5146bcc37ac2e52c8f44904238f1dbc92b16e0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B98 | 17344 bytes |
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