MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, with many URLs pointing to compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution scheme. No scripts were extracted, but the embedded URLs are the primary indicators of compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://whscardinals1963.com/clients/9/9e/9e5fab02d16e7113a74bdd4e7828f974/File/2775670516.pdf
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608ee06006dd4---90043894708.pdf
- http://vudafrique.com/wp-content/plugins/super-forms/uploads/php/files/7dbadb0a13558af5fb316c03b40dbf15/gifepuju.pdf
- https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/73ef5306ad371d0cd47ccc26e8da2f4c/58709335062.pdf
- https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/c87qbcm7qv9ene4kqmrsv1a9v0/nulisaxotupib.pdf
- http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608d9a7f87907---57636327802.pdf
- http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/16080cf4985186---67941235471.pdf
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160bcdb041d446---25801279097.pdf
- https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f60778a599---lobedolizedo.pdf
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2badac14c5---59050679971.pdf
- http://zulassung4you.de/bilder/file/jujapojomudi.pdf
- https://webupdate.ca/wp-content/plugins/super-forms/uploads/php/files/aci203u76keu7edt9ggqes6vkp/lepewovobosaribenigopi.pdf
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/1609055915dd6c---gupulitiravoluridoxunopa.pdf
- https://zapcdn.space/web/img/podborky/files/51509612681.pdf
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be151a878a1---titijimitas.pdf
- http://sukhabalka.com/files/file/54093153715.pdf
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160cc05d06abe9---tegekorudogimojoziwem.pdf
- https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160bdd9e6cb111---46316356338.pdf
- https://www.acetechnology.co.in/wp-content/plugins/super-forms/uploads/php/files/fqe5pk2rbjoo86moqn14b22cm1/13876619476.pdf
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/u5kpn4go6bbht0m06aibnbpfn1/50437549706.pdf
- http://arci-mp.fr/admin/File/wubojuzosadib.pdf
- http://bradleyhillsapartments.com/demo/uploads/contents/file/lukojozizaduzuvikadubes.pdf
- http://videofilm-tv.ru/content/File/27181226063.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=i+have+trouble+swallowing
- 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_off0000eda6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDA6 | 16792 bytes |
font_01_sfnt_off000105bd.bin20dead598557aa7c0768fefe4af3c1a8dca4cf498eb48a393599dbe45d3d89c7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105BD | 10732 bytes |
font_02_sfnt_off00011e64.bin2f596d5fac6fe77b16f5e6e2cd1f1ae057453d2a27a448b969fb9f1ec213501f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E64 | 16896 bytes |
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