MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, exhibiting characteristics of a phishing or trojan distribution. It contains numerous embedded URLs, many of which point to compromised CMS upload storage or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URI heuristics further supports the attack pattern of directing users to external, potentially harmful, sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://medvor.ru/uplcv?utm_term=cheats+for+gta+vice+city+apk PDF link annotation
- http://zit-tech.com/userfiles/files/vafonamalib.pdfIn PDF document text
- https://rugerwafers.com/demo/ruger/beta/userfiles/files/foveji.pdfIn PDF document text
- https://dananeye.com/uploads/files/202109122212393387.pdfIn PDF document text
- http://31kouqiang.com/userfiles/file/1630619860.pdfIn PDF document text
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/1614456e593912---41904191918.pdfIn PDF document text
- https://denizlihorozu.com/resimler/files/49257629167.pdfIn PDF document text
- http://evo-models.com/uploads/userfiles/files/93028371271.pdfIn PDF document text
- http://chizclean.ru/files/fck/file/88801828222.pdfIn PDF document text
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/64e9cc73560e4486f2b68ad10e0a2fb3/26708660010.pdfIn PDF document text
- http://royalrep.com/userfiles/files/16002148025.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bde4a9371e---49434442204.pdfIn PDF document text
- https://hoya.hr/UserFiles/file/57254158020.pdfIn PDF document text
- http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143b54a66391---37083247722.pdfIn PDF document text
- http://namngonviet.vn/user-/files/nuvafoxatoket.pdfIn PDF document text
- http://supermarketdv.ru/files/file/54659980490.pdfIn PDF document text
- https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16142a9471d73f---vemojoradaluzikarijawox.pdfIn PDF document text
- http://www.sudaff.com/pics/file/powomesamefezepisibo.pdfIn PDF document text
- https://laser123.com/geektic/files/bidevotul.pdfIn PDF document text
- https://kingwrapcarspa.com/upload/files/21649708828.pdfIn PDF document text
- http://t-p-fortune.com/userfiles/file/99465836612.pdfIn PDF document text
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1612fc274ee774---warev.pdfIn PDF document text
- http://ksiclub.org/projects/achievemore/admin/upload/fckImages/file/16241964784.pdfIn PDF document text
- https://larustt.com/upload/ckfinder/files/rapipi.pdfIn PDF document text
- https://alariel.be/userfiles/file/sirugosuma.pdfIn PDF document text
- http://location-appartement-venise.com/italie_documents/files/45317109089.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_off0000bb63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB63 | 15960 bytes |
SHA-256: 34a1b858e73d2d23c7c0b5517a86841afbc9b4b049e5115c7d976115ba7b983a |
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font_01_sfnt_off0000e49b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE49B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fcb2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCB2 | 10912 bytes |
SHA-256: 1221266962096f330499bd0cde77eb74b863421cccda5a1766440bea37f71edf |
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