MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to multiple external URLs, some hosted on compromised CMS platforms. The presence of numerous links, including one with a 'utm_term' parameter suggesting tracking, points towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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 https://pistant.ru/uplcv?utm_term=gta+sa+android+za+darmo PDF link annotation
- http://kapelski.pl/userfiles/file/77122797382.pdfIn PDF document text
- http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/1612f21ff62be3---fuxol.pdfIn PDF document text
- https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/42e04949a09cdbe12a6e76767a210e95/12456544372.pdfIn PDF document text
- http://nemeckystrakac.sk/editor_uploads/files/sonidirukoweluborizetorop.pdfIn PDF document text
- https://kawanmto.com/contents/files/69801981130.pdfIn PDF document text
- http://americasbestwingsbeltsville.com/uploads/files/nedarilodirudekoreduwipi.pdfIn PDF document text
- http://quiltingacademy.com/fckeditor/userfiles/file/rijitoligamiv.pdfIn PDF document text
- http://logicamail.it/draft/media/26000365647.pdfIn PDF document text
- https://xn--80aaijz0c.xn--p1ai/ckfinder/userfiles/files/69190314059.pdfIn PDF document text
- http://suliaox.com/v15/Upload/file/20219131353549551.pdfIn PDF document text
- http://houstontca.org/Content/uploads/files/38606975742.pdfIn PDF document text
- http://onfireinteriors.com/userfiles/1662348591.pdfIn PDF document text
- https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b463d51f31---69557584691.pdfIn PDF document text
- https://pachetedeturism.ro/images/files/kopuregodik.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613e3fd5b118e---mepewimiwegetudifonedi.pdfIn PDF document text
- http://wowbond.com/upload/Fckeditor/file/62487686180.pdfIn PDF document text
- https://www.meditech.cz/ckfinder/userfiles/files/65882851351.pdfIn PDF document text
- https://ddc-touggourt.dz/ar/files/pamiseba.pdfIn PDF document text
- https://poldercuptrofee.nl/site/admin/ckfinder/userfilesfiles/rexupaneboxamoboribene.pdfIn PDF document text
- http://orenprom.com/img/account/file/bizerenuvejisebaduwu.pdfIn PDF document text
- https://havadisname.com/upload/ckfinder/files/74527198275.pdfIn PDF document text
- https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a94afbf520---54496926632.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_off0000c9fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9FD | 10328 bytes |
SHA-256: 4fa34201ded66f02f05e0c0a1020faf0837fc42bd087765a19022f1e70d5b4f0 |
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font_01_sfnt_off0000e14d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE14D | 20248 bytes |
SHA-256: 31edf4b2ba1a405f6bd30012e57d2ea6e23f1e74caece4f84be92482dad15349 |
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font_02_sfnt_off000114f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114F7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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