MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded links, with one specifically identified as a malicious redirector. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to phish or deliver a payload. The document body is heavily obfuscated and contains metadata suggesting it was generated by wkhtmltopdf, but the primary malicious activity is driven by the embedded URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 5
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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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://crophysi.ru/aws?utm_term=don+bradman+cricket+17+ppsspp In PDF document text
- https://static.s123-cdn-static.com/uploads/4408463/normal_5fc9983e56e81.pdfIn PDF document text
- https://s3.amazonaws.com/xidazeze/medafulowisonibeton.pdfIn PDF document text
- http://wiinorama.space/how_to_reopen_closed_windowhmah2.pdfIn PDF document text
- http://copyrighthelpptteam.com/golezabitakilu6m9zq.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4496816/normal_600754b40cf4b.pdfIn PDF document text
- https://s3.amazonaws.com/jadere/deficiency_account_insolvency_template.pdfIn PDF document text
- http://com-connexion.xyz/61747139966exqxa.pdfIn PDF document text
- http://snatural.space/9030680557bb70u.pdfIn PDF document text
- http://usersdeviceprotectionservice.site/449288531198do2f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4485318/normal_5ff2b3f66a444.pdfIn PDF document text
- http://opsnatur.fun/xagajesisejed0c1m.pdfIn PDF document text
- http://com-free-fire.com/302123375507muon.pdfIn PDF document text
- http://richteam.site/kokulokekubemomon8va20.pdfIn PDF document text
- http://vitalia-transports.com/arp_guard_wifi_security_apke854q.pdfIn PDF document text
- http://ekzo-fruit.ru/dugerulusisutijerowewbbcv.pdfIn PDF document text
- https://s3.amazonaws.com/sepawi/32685620829.pdfIn PDF document text
- https://s3.amazonaws.com/taguxif/kugew.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4496193/normal_5ff84bb78ba99.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In 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://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ea30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA30 | 5308 bytes |
SHA-256: 7320b8b1b153edd6fea2e57ed8a25e8a0dd048530a4c5cdbf7fe1b08ef16ec0f |
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font_01_sfnt_off0000fc26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC26 | 10692 bytes |
SHA-256: 54128db47484c9797b9f5f7ba7190d24092a2521fc610578b00f35306b04683e |
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font_02_sfnt_off000120f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120F9 | 16204 bytes |
SHA-256: 95f2a8319533f051e584a9e2aa38e8d42f7eb419abe795cf0dce2d6390e2c0a0 |
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font_03_sfnt_off0001362b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1362B | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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