MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Numerous heuristics indicate the PDF acts as a link farm, redirecting users to various external websites, some hosted on compromised CMS platforms. The embedded URLs suggest a phishing or malware distribution scheme, likely intended to lure users into downloading further malicious content or submitting sensitive information.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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=fighting+tiger+liberal+hack PDF link annotation
- https://nezamirekhaseafoods.com/userfiles/file/netuzalozukuked.pdfIn PDF document text
- https://nadrozmerne-sklo.cz/uploads/62147368482.pdfIn PDF document text
- https://gulfcans.com/home/madarmun/public_html/gulfcans/images/bulk_images/files/gobifovibupofu.pdfIn PDF document text
- http://cdkkck.com/uploadfile/file/20210906052558.pdfIn PDF document text
- https://syteq-pro.com/userfiles/file/16794418644.pdfIn PDF document text
- https://artinterior.bg/userfiles/file/88599243961.pdfIn PDF document text
- http://foto-preiss.at/upload_files/files/13373641032.pdfIn PDF document text
- http://goldendazzle.com/upload/quangtri/files/70201187089.pdfIn PDF document text
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/b5v1p5fapvk02dm4uii5o1j6i6/janetuxabitode.pdfIn PDF document text
- http://brava-ekb.ru/userfiles/file/27866570145.pdfIn PDF document text
- https://myagenda.myagenda.cz/pictures/editor/files/pukikiwunejozufuvu.pdfIn PDF document text
- https://kovtec.pl/eurostyl/photos/file/15963082843.pdfIn PDF document text
- http://ncdesign.it/userfiles/files/1148120775.pdfIn PDF document text
- http://flyingfish-stay.com/userfiles/file/89765840445.pdfIn PDF document text
- http://papaicountrylodge-longstay.com/user_img/files/pojadirefuxedep.pdfIn PDF document text
- http://www.pattyn360.com/upload/forum/files/woroxosebotovabonefir.pdfIn PDF document text
- http://aotwresort.net/ckfinder/userfiles/files/86881913797.pdfIn PDF document text
- https://prokoncept.hu/admin/blogfck/image/file/povijufulavumawimodezu.pdfIn PDF document text
- http://lammermoor.net/imagenes/file/poxojemogulesuk.pdfIn PDF document text
- https://whereestar.com/marinarubicon/admin/file/fatedepu.pdfIn PDF document text
- https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/1phi3tno2g444cefkib7ejfjpj/tedij.pdfIn PDF document text
- http://gayaarchi.com/userfiles/file/20210919182228.pdfIn PDF document text
- https://arvikabc.com/images/uploadedimages/file/4620475441.pdfIn PDF document text
- https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614391bbadcc0---jizubodebibip.pdfIn PDF document text
- http://damosushipleasanthill.com/uploads/files/61093732743.pdfIn PDF document text
- http://barcabianca.eu/upload/file/45217006174.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_off0000d770.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD770 | 10428 bytes |
SHA-256: a23483259aeabb71eaecb76e8f61a074e72ef7b43c7504e37cc56f66a22469e9 |
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font_01_sfnt_off0000eef8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEF8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001070a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1070A | 20932 bytes |
SHA-256: c366517a52d6b78ae87de790b12d4ce192b222d1fae336c2f4bae6a53057bd0f |
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