MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to multiple external websites, several of which are hosted on compromised CMS platforms or disposable hosting. The presence of numerous unknown URLs suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://baodieptailor.com/uploads/2021-09-06/images/files/81024602090.pdf In PDF document text
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142ef8a7c3dc---21374942828.pdfIn PDF document text
- https://ikorti-iao.com/userfiles/files/35686467811.pdfIn PDF document text
- http://nepalbestcargo.com/userfiles/file/99949841867.pdfIn PDF document text
- http://asckhn.com/acskhn/userfiles/file/gexonepile.pdfIn PDF document text
- http://fantacyhandicraft.com/userfiles/file/72827916050.pdfIn PDF document text
- http://ng-sons.com/userfiles/file/kanokanuminabuwifos.pdfIn PDF document text
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161491237a9432---73383398906.pdfIn PDF document text
- http://ssatripoli.org/userfiles/file/25617869792.pdfIn PDF document text
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146ae61896a8---lorimidexuzeveseluravepe.pdfIn PDF document text
- http://s8radziejowice-paszkow.pl/userfiles/file/mugarasazati.pdfIn PDF document text
- https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/972df4a014756b226df42f8f3ca306a1/sexenuk.pdfIn PDF document text
- http://prosquash.by/data/84500478553.pdfIn PDF document text
- http://knshzj.com/CKEdit/upload/files/kutizefotibivizoxufogo.pdfIn PDF document text
- https://grandhotelushba.com/userfiles/file/58372696048.pdfIn PDF document text
- https://kominove-centrum.cz/media/files/file/muwokexafomijutu.pdfIn PDF document text
- http://www.tecs4.com/intranet/ckfinder/userfiles/files/kikegadanita.pdfIn PDF document text
- http://dlastudenta.org/Upload/file/23907219618.pdfIn PDF document text
- https://resortweeks.pro/userfiles/file/xatudanixaxukita.pdfIn PDF document text
- https://www.borzabadi.com/ckfinder/userfiles/files/lodowafetubasaxipijosu.pdfIn PDF document text
- https://autopsrus.aerovents.com/ckfinder/userfiles/files/93144419056.pdfIn PDF document text
- https://www.medicalbi.com/ckfinder/userfiles/files/87254883828.pdfIn PDF document text
- https://gianlucabruno.it/dati/upload/file/80884444729.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=highest+heart+of+azeroth+levelPDF link annotation
- 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_off0000c6ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6AD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000debf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEBF | 16480 bytes |
SHA-256: bbb6d6dd3720c51f9e6beb04df91f15e2e220080ccd4a9fa46be707f65fc15f9 |
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font_02_sfnt_off00010891.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10891 | 10508 bytes |
SHA-256: 2282f35d94398087386354fc1b7262b2fc9b254df00949b490a68ae4d7a1bdc0 |
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