MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to potentially compromised or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of 'utm_term=remote+pc+android+app' in one URL hints at a lure related to remote access or mobile security.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://kirakuramen.com/uploads/files/91503825191.pdf In PDF document text
- http://chronocertif.com/userfiles/file/morobilefimexavatol.pdfIn PDF document text
- https://unitedfightalliance.jordanadams.com/ckfinder/userfiles/files/85474466129.pdfIn PDF document text
- http://gabortech.com/admin/file/xonalex.pdfIn PDF document text
- http://diadiemvui.com/upload/files/37137564044.pdfIn PDF document text
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/2m2608g4toqhn2f5lm1m4ereho/sanuxotijuxabozivegin.pdfIn PDF document text
- https://togeltop.net/contents/files/32906834225.pdfIn PDF document text
- http://cluboutletmoto.net/campannas/file/zezuriderorurajotomojen.pdfIn PDF document text
- http://managhantasala.net/mailuserfiles/file/refidofibojexunonamo.pdfIn PDF document text
- http://www.chiringuitomediterraneo.com/ckfinder/userfiles/files/1272911462.pdfIn PDF document text
- https://majubesar.net/contents/files/tipugituvaselejuvamu.pdfIn PDF document text
- http://surestegc.org/documentos/file/zerodekusuxadevetotawegom.pdfIn PDF document text
- https://matras-matrasych96.ru/admin/ckfinder/userfiles/files/rovivajabun.pdfIn PDF document text
- https://cuatudongsaigon.net/uploads/files/jagutepebuteganojesipu.pdfIn PDF document text
- https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/161323f90d2497---bubazugezizosefuvepizivog.pdfIn PDF document text
- https://vanrun-it.nl/userfiles/files/gigoxodomagobi.pdfIn PDF document text
- http://parvazyab.net/basefile/api203/files/mofasezewasavetiw.pdfIn PDF document text
- http://xn----otbb6ahq3d.xn--p1ai/ckfinder/userfiles/files/88148368076.pdfIn PDF document text
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/2hidfssm75ehkfdoortn24fms4/kejozedotorewig.pdfIn PDF document text
- http://mibenjamin.com/userfiles/file/29141830130.pdfIn PDF document text
- http://99hospitalitygroup.com/ckfinder/userfiles/files/11852125598.pdfIn PDF document text
- http://ezclasssites.com/var/wwww/dev-ezclasssites-com/data/files/kubolatow.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=remote+pc+android+appPDF 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_off0000b3d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3D1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cbe3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBE3 | 17180 bytes |
SHA-256: 9f52689a397274dfcffcb7a981f38682023baeec4415623b7ae750f22acec6bc |
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font_02_sfnt_off0000f838.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF838 | 10508 bytes |
SHA-256: 4dce9e56ce5ebe659ac3c62cb664f06671d889f3d2baceacd32818ff009fac69 |
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