MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged by multiple heuristics as malicious, including a critical finding for linking to known malicious redirector infrastructure. The document contains a large number of embedded links, many hosted on disposable domains, suggesting a link farm designed to distribute malicious content or phish users. While no scripts were explicitly extracted, the nature of the embedded links and the ClamAV detection indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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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 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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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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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://cctraff.ru/aws?utm_term=economist+style+guide+2018
- https://kidunaxu.weebly.com/uploads/1/3/1/4/131437100/lefexoserizemojogi.pdf
- https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/10610.pdf
- https://dumiwexadanona.weebly.com/uploads/1/3/4/5/134522913/6543722.pdf
- https://rimesozarabef.weebly.com/uploads/1/3/1/6/131607712/tabutekes_mekiwodeguliva_dasatakikenit_vedatebodameju.pdf
- https://cdn-cms.f-static.net/uploads/4450640/normal_5fbaff8c4031a.pdf
- https://cdn-cms.f-static.net/uploads/4379974/normal_5f8bab92037f4.pdf
- https://batagokefo.weebly.com/uploads/1/3/1/0/131070859/bozupidegara.pdf
- https://cdn-cms.f-static.net/uploads/4375889/normal_5fa4432763612.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/dobesogum/augusto_cury_felicidade_roubada.pdf
- https://uploads.strikinglycdn.com/files/63095283-ae53-437d-8e06-7f07965575f5/43661021162.pdf
- https://uploads.strikinglycdn.com/files/84d29e61-1f1f-452b-abf8-f03c4631a2f0/27187603780.pdf
- https://uploads.strikinglycdn.com/files/fb412747-b4b5-4edf-a5e0-efdcc9bf0faf/10348731832.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cbd0.bin4f102b1dde03b40925030d1edd492e0651786c7178b9511a16eb7c5c241ddb15 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBD0 | 5532 bytes |
font_01_sfnt_off0000dea9.bin340f0de53570e77b7e8a64f0a2e117152e11184b8e6679aa7d9b80dd62fb8c7b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEA9 | 11592 bytes |
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