MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised CMS uploads and disposable hosting, suggesting a link farm designed to redirect users. The presence of external URIs and a link farm indicates an attempt to lead the user to a malicious resource, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/7fpqf6e9o9cf49bbgroc6vuu6m/63525034239.pdf In PDF document text
- https://nbcmedia.vn/ckfinder/userfiles/files/mifomukiwexarokisobomefu.pdfIn PDF document text
- http://thelifelesson.net/home/tappingchanges/public_html/dowalumniusa/ckfinder/userfiles/files/46844616460.pdfIn PDF document text
- http://annamsaigonlaw.com/upload/files/47066454102.pdfIn PDF document text
- http://poketomecam.com/uploads/files/pivarogoke.pdfIn PDF document text
- http://uspeh-kursk.ru/ckfinder/userfiles/files/lukovimozadelesajiw.pdfIn PDF document text
- http://ckrestaurantgroup.com/ckfinder/userfiles/files/jelosufanamibexajepewu.pdfIn PDF document text
- https://thibiditrading.com/public/userupload/files/10871627823.pdfIn PDF document text
- https://daaeportrett.no/upload/file/kafadikogozupik.pdfIn PDF document text
- http://ledseoul.com/userData/board/file/98223945313.pdfIn PDF document text
- http://duszek-lasu.pl/userfiles/file/6315839328.pdfIn PDF document text
- https://alnahamgroup.com/userfiles/file/kevunofet.pdfIn PDF document text
- http://danchrisjewelry.com/userfiles/file/mibimuduf.pdfIn PDF document text
- http://fredericjean.net/oplusco/file/41953293763.pdfIn PDF document text
- http://thamcohoaian.com/webroot/img/files/bupezu.pdfIn PDF document text
- http://xn--zb0by3yusal20ak5lcidnwigi.com/ckfinder/userfiles/files/1631736935.pdfIn PDF document text
- http://condosworld.com/abisol1/userfiles/files/lovan.pdfIn PDF document text
- https://ww150003.linebot.net/upfile/files/20210910153418.pdfIn PDF document text
- https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/dd882d4785af2f2474d0f8520087ae56/kenevizuropof.pdfIn PDF document text
- https://copacndg.com/images/uploads/files/24992755783.pdfIn PDF document text
- https://aimara-bg.com/userfiles/file/nagevoxanorel.pdfIn PDF document text
- http://ohappy.org/userData/board/file/suvazuzabuga.pdfIn PDF document text
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1613170c898bf1---ziginatufupovikipi.pdfIn PDF document text
- https://winstar-tools.com/UserFiles/editor/file/fekilowiwapazilav.pdfIn PDF document text
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/161348b12f1ae0---xuweterigatefasofikadebo.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=small+android+emulator+for+pcPDF 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_off0001b921.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B921 | 20084 bytes |
SHA-256: 3975eed88519a75fa24a086995d1e9cd8505cc2af6112b1f2b01c323827f7866 |
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font_01_sfnt_off0001ede1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1EDE1 | 10788 bytes |
SHA-256: 538ae96a4ea88534acd7a6d0a237df181f1fecb8616d6b22f5f0df5d2d1d87dc |
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font_02_sfnt_off000206a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x206A9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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