MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a large number of embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users. The presence of these links suggests an attempt to lure victims to malicious sites for phishing or further exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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://sammyuriasproperties.com/userfiles/files/melufiwewasog.pdf
- http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c86907563c0---96096207794.pdf
- http://vankouwenenmastop.nl/UserFiles/file/77140280796.pdf
- https://www.vedaaz.com/wp-content/plugins/super-forms/uploads/php/files/d6dbfee5e8c774aa143d525e9bc29b00/93659423453.pdf
- http://trungtinjsc.vn/upload/FCK/file/115916961.pdf
- http://wooshin.kr/uploaded/file/5361269360d9216e5b94d.pdf
- https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/8lpg1q5ms6v1o3g9nbtig5nr2e/fibalopuximatipunilupo.pdf
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606ef7a92fbde---zakijola.pdf
- http://ascensionchina.com/userfiles/file/moderunod.pdf
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/6487cd9bd57de9f5e919dee6640fb154/sisedosowimeto.pdf
- https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/8285a1ae2e1e5aeda2c751fe83d37d21/kimid.pdf
- http://bendhorseride.com/userfiles/file/14045464671.pdf
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079904275073---25523839155.pdf
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d76a626e679---62326241352.pdf
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0ef8616f64---85973093612.pdf
- http://palyavalaszto.hu/teszt/upload/file/59148510606.pdf
- http://redwoodpwr.com/wp-content/plugins/super-forms/uploads/php/files/ghh89ep1jp519jllkpjcpagh52/pigumasirijekolomudonavig.pdf
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607eb5ae678fc---zazomopivi.pdf
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a63a1a1d032---39780499661.pdf
- http://illinoislivestock.org/userfiles/file/79227676728.pdf
- https://comfortinnbarrie.com/phpsites/vertical_living/uploads/file/ramefudimowiva.pdf
- http://whuntex.ru/userfiles/file/57143325762.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=whirl+flutter+of+turboprop+aircraft+structures
- 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_off0000fcbd.bin71c84a8a8c857e9bbf9ec5288f2849ceb3b7c01701c3f1c70bd3de58b6d0939c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCBD | 17300 bytes |
font_01_sfnt_off0001292b.bin43d981b1a6171c6faca51ced28efc596bc503838a626a8f8eee141a541c79d18 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1292B | 10704 bytes |
font_02_sfnt_off000141ab.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x141AB | 16792 bytes |
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