MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains numerous external links, many pointing to compromised CMS upload directories or disposable hosting, indicating a link farm designed to redirect users to malicious sites. The ClamAV detection and ML classifier strongly suggest this PDF is malicious, likely serving as a lure for phishing or malware distribution. No scripts were extracted, but the extensive use of external URLs is the primary indicator of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9959
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 https://pistant.ru/uplcv?utm_term=the+new+frontier+kennedy
- http://aarogyamedico.com/userfiles/file/72234281544.pdf
- http://humanitool.ru/userfiles/file/17483616968.pdf
- http://consorzio-csa.it/userfiles/files/70802213369.pdf
- https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/fsg3u3i98lv514cnr2cmfiv5tq/1393676587.pdf
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e67ac89e43---pugoviverukitovidunurud.pdf
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e9a1b600b0---niguve.pdf
- https://www.corridar.com/wp-content/plugins/super-forms/uploads/php/files/3f32fo8ko80deu2o5tfhe9vb2e/nedosorukilemejigole.pdf
- https://dudikom.pl/userfiles/file/vovasoxuf.pdf
- https://maugli24.ru/wp-content/plugins/super-forms/uploads/php/files/16dfbe700f6fdc9a238d52f8e3b3396a/47450089265.pdf
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/a8b0856777a8e1d6f3de968a4d6e26c9/zisuvolelajirepubav.pdf
- https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/5e39179a5b70eb35af2b5c9cbd53ef88/30535728041.pdf
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2a8b82aaaa---mewirutabofunurifogo.pdf
- https://qualitylightsolutions.com/wp-content/plugins/super-forms/uploads/php/files/7d7edac97cc0c2b35059b5cf51491ac2/goxanowebuxitux.pdf
- https://afra24.com/basefile/afra24/files/67610310476.pdf
- https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/ki9kihhjm7i3aba95dsrekt60s/88134964860.pdf
- https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/cf74bfa0987e54432296ad0122c23139/42433756081.pdf
- http://preserveproperties.com/userfiles/files/1956384783.pdf
- https://robotics-institute.com/wp-content/plugins/super-forms/uploads/php/files/vc30gjldg6g11bpbpndv20vl0g/88170161771.pdf
- http://taxicityplus.ru/userfiles/file/momirivipirajusebepuje.pdf
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/31a8gakclff7vrkj8lqh11amu7/61813382689.pdf
- http://cybernet.asia/UserFiles/File/gusesutisori.pdf
- http://www.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072d0b3c2119---puxojubuvagikofupun.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_off0000f1a5.binddb433dc608136a592010043bef2bce4bfda7fd8a182b04b977d014950f2eb14 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1A5 | 10328 bytes |
font_01_sfnt_off000108f2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108F2 | 16792 bytes |
font_02_sfnt_off00012104.binb6cfb34248dab58c7c9c285a692a50cc822eadbc70084ea25ec9365cb6d305c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12104 | 17060 bytes |
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