MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress upload directories and other disposable hosting. These links likely lead to phishing pages or further malware downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16071e21bbf91d---wibofamolisixalus.pdf
- https://alamansyria.com/userfiles/file/mujesadopepe.pdf
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cccb0b9e6c---41135173619.pdf
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/tb7evi3hfn0j35me6g1n061b4u/97500124840.pdf
- http://www.bash.cl/media/file/vutusatekolizewav.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16080b6a0952db---90794784671.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160967fd6f28e2---58579366188.pdf
- https://nutricionintravenosa.com/wp-content/plugins/super-forms/uploads/php/files/0dd9aad2efde4d181e5f5b0bd96395a3/39129528861.pdf
- https://fellowpeo.com/wp-content/plugins/super-forms/uploads/php/files/33bb461fd1ea51c28d13c23f29616fc6/35007540493.pdf
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/cvepnvj60mcroaicveojj04rgj/sinedujowejewitol.pdf
- http://tdvvietnam.vn/webroot/img/files/26597765205.pdf
- https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/fu7endlefdfe9egm2ckg0a7hpv/rewokerozapimebedem.pdf
- http://zaun-produzent.de/userfiles/file/vatezi.pdf
- https://ludifrance.fr/userfiles/file/45732644404.pdf
- https://szabobuszrendeles.hu/files/files/52530101841.pdf
- https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/0vsvmoe5pcd98tchfu1omlr8a4/50516682504.pdf
- http://bawaconstructions.com/editorData/file/94498825675.pdf
- http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609bf8b7a86cc---xonat.pdf
- https://www.lightingdynamics.com/wp-content/plugins/super-forms/uploads/php/files/f57cbc7e408c2ad6ab06b54ebc4d7ac5/34480440116.pdf
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098df028902d---zekapumewifibovekabe.pdf
- https://luyenthitoeic.info/userfiles/file/98691486276.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=4+as+a+fraction+in+lowest+terms
- 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_off0000e4b6.bin3d6ab6179516476f4016da477a80965b95141f2e2cce0a1b2554c425fe97811c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4B6 | 10564 bytes |
font_01_sfnt_off0000fce2.bin961a0195b809edc762cb0d296b72a7b71e936033788e233ccf6f0c23cc6b39a8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCE2 | 17884 bytes |
font_02_sfnt_off00012bb5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BB5 | 16792 bytes |
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