MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF file identified as malicious by ML classifiers and ClamAV. It functions as a link farm, containing numerous URLs pointing to various websites. Several of these URLs are hosted on compromised WordPress sites, indicating a potential phishing or malware distribution scheme. The PDF itself does not contain executable content but serves as a deceptive gateway to external malicious resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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://mgbig.com/upload_fck/file/2021-9-7/20210907034540107897.pdf In PDF document text
- https://www.domaine-boussard-chablis.fr/ckfinder/userfiles/files/juxeviromesajopowetojevi.pdfIn PDF document text
- https://plagij.at/ckfinder/userfiles/files/dezugesan.pdfIn PDF document text
- https://eslms.com/userfiles/file/60114068443.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131acf2a8a72---legafo.pdfIn PDF document text
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f99245bde1---wonipalajolezazubujimogup.pdfIn PDF document text
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613b1e9d3d461---66835751539.pdfIn PDF document text
- http://interconformity.ro/images/file/39474812447.pdfIn PDF document text
- https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/2b5ed341fde803f627936b0db9e9ae62/dugejopexis.pdfIn PDF document text
- http://tmkb.org.tr/ckfinder/userfiles/files/ruwuzeb.pdfIn PDF document text
- http://hkwwta.org/userfiles/80261726621.pdfIn PDF document text
- https://successalpha.team/upload/files/boxosuzidevuferabotus.pdfIn PDF document text
- http://www.aamuhsv-madisonalumni.org/files/files/75409743860.pdfIn PDF document text
- https://idroilektriki.gr/files/file/dumilekororemeseboxisef.pdfIn PDF document text
- http://goraku-sangyo.com/userfiles/file/jerimegikamopilez.pdfIn PDF document text
- http://www.monts.sk/upload_images/file/zefafenuzaf.pdfIn PDF document text
- https://menu2uplus.com/images/file/3105099787.pdfIn PDF document text
- http://lindseyderence.com/userfiles/files/23399947844.pdfIn PDF document text
- http://duetsepolno.pl/userfiles/file/bavewarepigix.pdfIn PDF document text
- http://psycare-spb.com/userfiles/file/11818833939.pdfIn PDF document text
- http://domesticsolutionsagency.com/userfiles/file/13219094894.pdfIn PDF document text
- http://letnipohar.cz/upload/file/kelutasefozasiguzupab.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=six+guns+mod+apk+android+1PDF link annotation
- https://cakamuzejs.riga.lv/ckfinder/userfiles/files/zevavex.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e0f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0F4 | 10880 bytes |
SHA-256: bc700c27e8aa8bb8a76c724d1069b4dad78a48d5790b057ff9502fe2ce8494b8 |
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font_01_sfnt_off0000f9e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9E2 | 17952 bytes |
SHA-256: 6c67f334107825cf3a50604e5cf0f5dcc63c8cc01e17c2eab7682bf9a3b65f53 |
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font_02_sfnt_off000128d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128D5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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