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 sites hosting PDF files. Heuristics indicate this is a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9946
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://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba88fcb251a---wutebanifapabuxeb.pdf
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a153d9b7beb---58219617574.pdf
- https://wagaskar.com/media/lujusiwoboserazusabeto.pdf
- http://sosnovgeo.ru/userfiles/file/finijutoji.pdf
- http://panda-es.tokyo/yamituki-n/uploads/files/38818125527.pdf
- http://bualuang101.com/backoffice/upload/files/bipewigunuvufugisejapo.pdf
- https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/d57dd46f510e3cdb22f75ca4274d3cc8/5180371125.pdf
- http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160996eafa1985---movazojafuzajiguge.pdf
- https://www.straightmyteeth.com/wp-content/plugins/super-forms/uploads/php/files/95010e55348e6293e97913fbbe7521f1/65167526727.pdf
- https://masini-de-ambalat.ro/images/userfiles/gefarapixu.pdf
- https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609ec56c9df01---95452855496.pdf
- https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/232e5ccc9d4d4ba0ba497c545f440410/94757658582.pdf
- http://audiencefertilization.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/wagonadotetatemobanumado.pdf
- https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/n292em43qtkn1fs00tmca7isli/28358555131.pdf
- http://matsonconstruction.net/userfiles/file/16925195744.pdf
- https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16099da7068943---zoxozokofosirivewo.pdf
- https://hoakhanh.vn/uploads/image/files/zubaxeratigovuferusotod.pdf
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fdaa4a09a9---86078599021.pdf
- https://acgroupenterprise.com/userfiles/file/50110291368.pdf
- https://numen-wow.com/userfiles/cloud//files/95049070126.pdf
- https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/fpjb9ain00jr43ofkhsblrjl94/nawadixite.pdf
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c8a28445791---26336819897.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=fat+mature+in+pantyhose
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b957.bin312d61f2f43eb4f58883166c05a7bdbc05b72eb032bc9335b03fef272039a95c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB957 | 16660 bytes |
font_01_sfnt_off0000d009.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD009 | 16792 bytes |
font_02_sfnt_off0000e820.binee285f0da35c761710bbbc30a44c536f194deebe52b4a851c50ac95e8b0d9f25 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE820 | 10664 bytes |
font_03_sfnt_off0001005a.binb2cbfa4d250156347fa71a0ec619c5234ab5e2ffebddefd36743ea47521c54ce |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1005A | 15628 bytes |
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