MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many hosted on disposable domains, indicating a link farm designed to redirect users. The presence of a ClamAV detection for 'Pdf.Phishing.Trojan' and ML classifier output of 0.999 further supports a malicious classification. While no scripts were explicitly extracted, the structure suggests it may be used to deliver malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://leonvi.ru/strik?utm_term=universe+sandbox+2+download+apk+dropapk PDF link annotation
- https://rasuvore.weebly.com/uploads/1/3/4/5/134523398/sosilu-tasirufogedo-balerurabawolos-bazato.pdfIn PDF document text
- https://tirasuvemesamu.weebly.com/uploads/1/3/4/6/134672388/50e00.pdfIn PDF document text
- https://momogomuwe.weebly.com/uploads/1/3/4/8/134885938/dunejoxixonage-konopa.pdfIn PDF document text
- https://fotapudugibinok.weebly.com/uploads/1/3/4/8/134899903/3b478071c53.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4448731/normal_5ff18442308ba.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379236/normal_604304808c739.pdfIn PDF document text
- https://jobexevufurol.weebly.com/uploads/1/3/4/5/134526996/saxovatutelupo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4405197/normal_5fd3461d13e7d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4402503/normal_5fe516a7f16f9.pdfIn PDF document text
- https://vusuvokitajize.weebly.com/uploads/1/3/0/8/130874031/jojitipisuzebow.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381544/normal_604cc440526da.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4468554/normal_5fe4f5f19ab36.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368245/normal_6068d79a17102.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/1daf92fb-59cd-432b-a0de-8bd78d44bdee/how_to_describe_rain.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7d1f9f97-c893-454c-bc45-24198997b6be/84155591584.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4db4d938-880f-4f8e-8800-1bab1009146a/82718884915.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c5d1cf19-c5c5-4154-a4a6-1bb730e6ba6f/46501906958.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/264daa68-94cc-4e31-b745-cb1aa568e431/zmodo_wireless_camera_keeps_going_offline.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dc30d114-524e-4d74-8ef4-de99f762f35b/revujizovatesufivodobu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fecec315-cb3c-4273-89a2-9e10d077c1fe/how_to_fix_astro_a20_mic.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/96475d3b-6a6e-4f1a-a00f-4474ba260c28/13505437365.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6c42c079-5df5-4646-9878-2cbf88d99b73/what_over_the_counter_medicines_contain_pseudoephedrine.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/24b7df5b-dde4-48d4-9fb1-0f4c6c2f2f18/waiting_for_the_barbarians.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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f582.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF582 | 5500 bytes |
SHA-256: 0a0029c9cb94fc0c6623567e0e609d88c3fab88515d47a31088d28b0023b31c2 |
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font_01_sfnt_off0001085b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1085B | 11616 bytes |
SHA-256: b463871075c16245f968c0ec9759d590a884806c6c5d82a30dd83f280a8103c6 |
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