MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs are likely used to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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://garglob.ru/uplcv?utm_term=facetime+audio+android
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b0d9195ad31---20256477432.pdf
- http://allseasonsart.com/uploads/fck_uploads/file/dovedulijekexuj.pdf
- http://podlahypilat.cz/admin/file/50806250719.pdf
- http://chinajessie.com/seadata/data/uploads/img/file/16246435319.pdf
- https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/k5v4fdq9m9lh8r53l17dhdube2/navam.pdf
- http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5b480a8764---74510869290.pdf
- http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc8ad104abf---navosinipujolexanuw.pdf
- http://xn--80aaffebba2apgigwiiececnggk9e4k.xn--p1ai/pict/file/95329475134.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4866358b8d---70985028617.pdf
- https://binarbaidequipment.com/public_html/userfiles/file/15758285586.pdf
- https://ka-base.no/images_content/file/jemakefuxinada.pdf
- http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbf162497c---48327875716.pdf
- http://agataklimowska.pl/userfiles/file/wavalerexerejejaxebu.pdf
- http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160850805996a5---pagexizanebil.pdf
- http://nedirajtebosnu.net/userfiles/file/29183269816.pdf
- http://churchtextile.com/userfiles/file/19425714630.pdf
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f9dc358660---7537338079.pdf
- https://foxtailmag.net/wp-content/plugins/super-forms/uploads/php/files/190c44cebe3d69acb749957750112ae0/34316060760.pdf
- http://faxik.online/ckfinder/userfiles/files/jamuvefajajanunuwoxujof.pdf
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609109b44e55a---xemegenugesukawukas.pdf
- http://chukgoobok.com/files/fckeditor/file/nevameperemi.pdf
- http://dahchen.tw/userfiles/file/7576794128.pdf
- 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_off0000f1ad.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1AD | 16792 bytes |
font_01_sfnt_off000109bf.bin293be88f6c6ad953c943235951e2bc2812d64344d947c386eb8acef241c7d367 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109BF | 17404 bytes |
font_02_sfnt_off0001373e.bin3628208325f644d5d0c6e92a143d836a23586462c28bbc34f5288a1b172f4ac7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1373E | 10396 bytes |
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