MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. The document contains numerous embedded URLs pointing to various domains, many of which appear to be compromised or disposable hosting, suggesting a link farm designed to redirect users to potentially harmful content. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 https://inwebjor.ru/uplcv?utm_term=mortal+kombat+us+release+date PDF link annotation
- http://aibasavar.edu.bd/app/webroot/ckfinder/userfiles/files/wiboxuwipinuneditexakuze.pdfIn PDF document text
- https://eric-parnes.shortex.com/ckfinder/userfiles/files/buxosirosune.pdfIn PDF document text
- http://giasuthienphuc.com/Images_upload/files/63736937199.pdfIn PDF document text
- http://f1-rennsimulatoren.de/userfiles/file/natujetutadujurumozitakaj.pdfIn PDF document text
- https://lanjutpt1.com/contents/files/26986483331.pdfIn PDF document text
- https://mamo-tato.ro/userfiles/file/45442555158.pdfIn PDF document text
- https://partroyfuneralhome.com/partroy/assets/file/fesopusipaxugiwuxu.pdfIn PDF document text
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/161415a3b3214d---jiridib.pdfIn PDF document text
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/aec183672afeb60a597fba718d8e9574/supigujuru.pdfIn PDF document text
- http://pazarziraat.com/userfiles/file/taxor.pdfIn PDF document text
- http://tpokebar.com/uploads/files/nisopazijegiximuvinabugu.pdfIn PDF document text
- http://clear-es.net/yamituki-n/uploads/files/jarezafifobavoj.pdfIn PDF document text
- http://jianianhuayule.a9188.com/upload_files/art_files/files/20210831_214134.pdfIn PDF document text
- https://bharatceramics.in/ckfinder/userfiles/files/doxazep.pdfIn PDF document text
- http://sanraimundo.cl/dyn/uploads/file/45345088869.pdfIn PDF document text
- http://quantri.thaisonpalacehotel.com/upload/files/99088275616.pdfIn PDF document text
- http://diamant-x.sk/UserFiles/file/vasulekafipefuvobide.pdfIn PDF document text
- http://joyearland.com/ckfinder/userfiles/files/81214418349.pdfIn PDF document text
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/161306cca84867---rodezawigafavajefulo.pdfIn PDF document text
- https://bluza-shop.ru/content/File/49011670185.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_off0000b93a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB93A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d14c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD14C | 17256 bytes |
SHA-256: af04ab91a78ae4dbad9cd326769dbacaa618cafe4754a1982635804a5c5643e9 |
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font_02_sfnt_off0000fdc9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDC9 | 10536 bytes |
SHA-256: 7f7b63ce9202069378b952a5ef116a037763334128b92c3de256c755e18cc567 |
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