MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to compromised WordPress upload storage and disposable hosting, suggesting a link farm designed to host malicious files. The presence of a 'download button' lure further supports a phishing or malware distribution attempt. ClamAV detection and ML classification confirm the malicious nature of the document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://synerhu.ru/uplcv?utm_term=ghd+tv+for+android
- https://sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c888ec34b2e---guboxugikodonosixevi.pdf
- https://avonsteel.com/UserFiles/file/tubigitelawujepi.pdf
- https://flycam.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606f7ec5ab3b5---jivev.pdf
- http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160d4269ce10a5---xumokabik.pdf
- https://ludifrance.fr/userfiles/file/mijoresilomumuvas.pdf
- https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/a0f527413efba34a97caf19bec288b65/71203283856.pdf
- http://ahxxzx.com/userfiles/202104/file/33654899159.pdf
- https://tmtteks.com/files/43174766798.pdf
- http://sgyscom.com/upload_fck/file/2021-6-20/20210620142552830075.pdf
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb407c5283---97246128929.pdf
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608a35ef94d10---6520771981.pdf
- https://thewaves.net/wp-content/plugins/super-forms/uploads/php/files/mra8c9h0l42r3siaeerdns1qph/gatiloges.pdf
- http://pc75.net/upfiles/file/1622414549.pdf
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d224fa245b---82420262923.pdf
- http://ibb-online.ru/f/file/nujobutezijevuvozunubaze.pdf
- https://mediaget.ru/userfiles/files/12168568688.pdf
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/fb13048d911d4ed98def6414b0949414/91050502485.pdf
- https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/0837768d0d27c1c31dc42495a792e5de/lizekeborobobagasa.pdf
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/33edcl2ek5vchk8sba4ukvc651/72468372310.pdf
- http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac4962cb24b---sijosuf.pdf
- http://verduciautodemolizioni.it/userfiles/file/mirebiwune.pdf
- http://extracam.es/app/webroot/arxius/file/vobed.pdf
- https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/c1974d68ce2c622c7048beee3d051b58/89667718674.pdf
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/319175d44a6357ae0d76ec3f393c5b35/58213176417.pdf
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a5712b99ae7---tumadikibimux.pdf
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608dc87e48d7e---wezutotarilozesasix.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_off000102d1.bina2ade8263ba5c8d7c8b836dac4c328ac2330507ed20912f95c2fe4aff36a097d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102D1 | 18184 bytes |
font_01_sfnt_off0001332b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1332B | 16792 bytes |
font_02_sfnt_off00014b42.binf9a3d3274948c43e03001cc78702cd411f6263b3f2dfbc1a0ccda681f4b98424 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14B42 | 10208 bytes |
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